Compliance Test
System
User Manual
CTS 3.0
Contact Information
Telephone: 800 733 5427 (toll free in North America)
858 450 0085 (direct)
Fax: 858 458 0267
Email:
Domestic Sales: domorders.sd@ametek.com
International Sales: intlorders.sd@ametek.com
Customer Service: service.ppd@ametek.com
Web: www.programmablepower.com
March 2011 Document No. 5004-984 Rev. R
About AMETEK
AMETEK Programmable Power, Inc., a Division of AMETEK, Inc., is a global leader in the design
and manufacture of precision, programmable power supplies for R&D, test and measurement,
process control, power bus simulation and power conditioning applications across diverse
industrial segments. From bench top supplies to rack-mounted industrial power subsystems,
AMETEK Programmable Power is the proud manufacturer of Elgar, Sorensen, California
Instruments and Power Ten brand power supplies.
AMETEK, Inc. is a leading global manufacturer of electronic instruments and electromechanical
devices with annualized sales of $2.5 billion. The Company has over 11,000 colleagues working
at more than 80 manufacturing facilities and more than 80 sales and service centers in the United
States and around the world.
Trademarks
AMETEK is a registered trademark of AMETEK, Inc.
Other trademarks, registered trademarks, and product names are the property of their respective
owners and are used herein for identification purposes only.
Notice of Copyright
Compliance Test System, User Manual
reserved.
© 2010 AMETEK Programmable Power, Inc. All rights
Exclusion for Documentation
UNLESS SPECIFICALLY AGREED TO IN WRITING, AMETEK PROGRAMMABLE POWER, INC.
(“AMETEK”):
(a) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY
TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER
DOCUMENTATION.
(b) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR
EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT, CONSEQUENTIAL OR INCIDENTAL,
WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY SUCH
INFORMATION WILL BE ENTIRELY AT THE USER’S RISK, AND
(c) REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH,
ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE
TRANSLATION, THE ACCURACY CANNOT BE GUARANTEED. APPROVED AMETEK CONTENT
IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION, WHICH IS POSTED AT
WWW.PROGRAMMABLEPOWER.COM.
Date and Revision
March 2011 Revision R
Part Number
5004-984
Contact Information
Telephone: 800 733 5427 (toll free in North America)
858 450 0085 (direct)
Fax: 858 458 0267
Email: sales@programmablepower.com
service@programmablepower.com
Web: www.programmablepower.com
i
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ii
WARNING
Hazardous voltages may be present when covers are removed. Qualified
personnel must use extreme caution when servicing this equipment.
Circuit boards, test points, and output voltages also may be floating above
(below) chassis ground.
WARNING
The equipment used contains ESD sensitive ports. When installing
equipment, follow ESD Safety Procedures. Electrostatic discharges might
cause damage to the equipment.
Important Safety Instructions
Before applying power to the system, verify that your product is configured properly for your
particular application.
Only qualified personnel who deal with attendant hazards in power supplies, are allowed to perform
installation and servicing.
Ensure that the AC power line ground is connected properly to the Power Rack input connector or
chassis. Similarly, other power ground lines including those to application and maintenance
equipment must be grounded properly for both personnel and equipment safety.
Always ensure that facility AC input power is de-energized prior to connecting or disconnecting any
cable.
In normal operation, the operator does not have access to hazardous voltages within the chassis.
However, depending on the user’s application configuration, HIGH VOLTAGES HAZARDOUS TO
HUMAN SAFETY may be normally generated on the output terminals. The customer/user must
ensure that the output power lines are labeled properly as to the safety hazards and that any
inadvertent contact with hazardous voltages is eliminated.
Guard against risks of electrical shock during open cover checks by not touching any portion of the
electrical circuits. Even when power is off, capacitors may retain an electrical charge. Use safety
glasses during open cover checks to avoid personal injury by any sudden component failure.
Neither AMETEK Programmable Power Inc., San Diego, California, USA, nor any of the subsidiary
sales organizations can accept any responsibility for personnel, material or inconsequential injury,
loss or damage that results from improper use of the equipment and accessories.
SAFETY SYMBOLS
iii
Product Family: CTS 3.0
Warranty Period: One Year
WARRANTY TERMS
AMETEK Programmable Power, Inc. (“AMETEK”), provides this written warranty covering the
Product stated above, and if the Buyer discovers and notifies AMETEK in writing of any defect in
material or workmanship within the applicable warranty period stated above, then AMETEK may,
at its option: repair or replace the Product; or issue a credit note for the defective Product; or
provide the Buyer with replacement parts for the Product.
The Buyer will, at its expense, return the defective Product or parts thereof to AMETEK in
accordance with the return procedure specified below. AMETEK will, at its expense, deliver the
repaired or replaced Product or parts to the Buyer. Any warranty of AMETEK will not apply if the
Buyer is in default under the Purchase Order Agreement or where the Product or any part
thereof:
is damaged by misuse, accident, negligence or failure to maintain the same as
specified or required by AMETEK;
is damaged by modifications, alterations or attachments thereto which are not
authorized by AMETEK;
is installed or operated contrary to the instructions of AMETEK;
is opened, modified or disassembled in any way without AMETEK’s consent; or
is used in combination with items, articles or materials not authorized by AMETEK.
The Buyer may not assert any claim that the Products are not in conformity with any warranty
until the Buyer has made all payments to AMETEK provided for in the Purchase Order Agreement.
PRODUCT RETURN PROCEDURE
1. Request a Return Material Authorization (RMA) number from the repair facility (must be
done in the country in which it was purchased):
In the USA, contact the AMETEK Repair Department prior to the return of the
product to AMETEK for repair:
Telephone: 800-733-5427, ext. 2295 or ext. 2463 (toll free North America)
858-450-0085, ext. 2295 or ext. 2463 (direct)
Outside the United States, contact the nearest Authorized Service Center
(ASC). A full listing can be found either through your local distributor or our
website, www.programmablepower.com, by clicking Support and going to the
Service Centers tab.
2. When requesting an RMA, have the following information ready:
Model number
Serial number
Description of the problem
NOTE: Unauthorized returns will not be accepted and will be returned at the shipper’s expense.
NOTE: A returned product found upon inspection by AMETEK, to be in specification is subject to
an evaluation fee and applicable freight charges.
iv
User Manual Compliance Test System 3.0
Table of Contents
1. Introduction ........................................................................................................................................... 10
1.1 Manual Organization ................................................................................................................................ 10
1.2 Compliance Test System Description ...................................................................................................... 11
2. IEC Testing ........................................................................................................................................... 16
2.1 About This Chapter .................................................................................................................................. 16
2.2 The EMC Directive ................................................................................................................................... 16
2.3 The IEC 61000-3-2:2000 Standard .......................................................................................................... 17
2.4 The IEC 61000-3-2 Ed 2.2:2004 Standard ............................................................................................... 20
2.5 The IEC 61000-3-2 Ed 3.0:2005 Standard ............................................................................................... 23
2.6 IEC 61000-3-3 Flicker .............................................................................................................................. 23
2.7 IEC 61000-4-11 Voltage Dips and Variations .......................................................................................... 24
2.8 IEC 61000-4-13 Interharmonics and Harmonics Immunity Test .............................................................. 25
2.9 IEC 61000-4-14 Voltage Fluctuations ...................................................................................................... 25
2.10 IEC 61000-4-17 DC Ripple ...................................................................................................................... 25
2.11 IEC 61000-4-27p Three Phase Voltage Unbalance ................................................................ ................. 25
2.12 IEC 61000-4-28 Voltage Frequency Variations ........................................................................................ 26
2.13 IEC 61000-4-29p DC Voltage Dips, Interruptions and Variations ............................................................ 26
2.14 References ............................................................................................................................................... 27
3. System Installation ................................................................................................................................ 28
3.1 About This Chapter .................................................................................................................................. 28
3.2 Hardware Installation ............................................................................................................................... 28
3.3 PC Requirements ..................................................................................................................................... 29
3.4 PACS Unit ................................................................................................................................................ 30
3.5 Functional Test......................................................................................................................................... 31
3.6 Front Panel Connections and Controls .................................................................................................... 38
3.7 Rear Panel Connections and Controls ..................................................................................................... 42
3.8 Data Acquisition Card Installation - PCI Card Version ............................................................................. 43
3.9 Data Acquisition Card Installation – Legacy ISA Card Version ................................................................ 53
3.10 CTS 3.0 Software Installation ................................................................................................................... 58
3.11 AC Source Control Software Installation .................................................................................................. 59
3.12 Upgrading from a CTS 1.X or CTS 2.0 System ........................................................................................ 61
4. Program Menus .................................................................................................................................... 63
4.1 About this Chapter ................................................................................................................................... 63
4.2 Main Menus .............................................................................................................................................. 63
4.3 File Menu ................................................................................................................................................. 63
4.4 Edit Menu ................................................................................................................................................. 64
4.5 View Menu ............................................................................................................................................... 65
4.6 Options Menu ........................................................................................................................................... 65
4.7 Test Menu ................................................................................................................................................ 66
5. Harmonics Testing ................................................................................................................................ 67
5.1 About This Chapter .................................................................................................................................. 67
5.2 Test Standard Selection ........................................................................................................................... 67
5.3 Device Classes ........................................................................................................................................ 67
5.4 Stationary or Transitory Harmonics Test .................................................................................................. 70
5.5 Running a Harmonics Test ....................................................................................................................... 71
5.6 Additional Setup Parameters for Harmonics ............................................................................................ 73
5.7 Main Harmonics Test Window Operation ................................................................................................. 75
5.8 Running the Harmonics Test .................................................................................................................... 78
5.9 Printing Results ................................ ................................ ........................................................................ 79
5.10 Harmonics Test Data Files ....................................................................................................................... 79
5.11 Three Phase Testing ................................................................................................................................ 79
5.12 Replay Mode ............................................................................................................................................ 79
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Compliance Test System 3.0 User Manual
6. Flicker Testing ...................................................................................................................................... 82
6.1 About This Chapter .................................................................................................................................. 82
6.2 Principle of Operation............................................................................................................................... 82
6.3 Flicker Test Options ................................................................................................................................. 82
6.4 Running a Flicker Test ............................................................................................................................. 84
6.5 Printing Results ................................ ................................ ........................................................................ 88
6.6 Flicker Replay Mode ................................................................................................................................ 88
7. IEC 61000-4-11 Voltage Dips and Variations Immunity Testing ........................................................... 91
7.1 About This Chapter .................................................................................................................................. 91
7.2 Standard Revisions and EUT Classes ................................................................................................ ..... 91
7.3 Compliance Statement ............................................................................................................................. 91
7.4 Specifying Test Sequences for Dips and Variations ................................................................................ 92
7.5 Test Setup ................................................................................................................................................ 95
7.6 Test Options ............................................................................................................................................. 96
7.7 Test Results ............................................................................................................................................. 96
7.8 Report Format- 411 Test Files ................................................................................................................. 97
8. IEC 61000-4-13 Harmonics and Interharmonics Immunity Test .......................................................... 98
8.1 About this Chapter ................................................................................................................................... 98
8.2 Tab Controls ............................................................................................................................................. 99
8.3 Test Setup ................................................................................................................................................ 99
8.4 Test Sequence ....................................................................................................................................... 101
8.5 Test Results ........................................................................................................................................... 104
8.6 Measurements ....................................................................................................................................... 105
8.7 IEC 61000-4-13 Test Reports ................................................................................................................ 105
9. IEC 61000-4-14 Voltage Fluctuations Immunity Testing .................................................................... 106
9.1 About This Chapter ................................................................................................................................ 106
9.2 Test Setup .............................................................................................................................................. 107
9.3 Test Options ........................................................................................................................................... 107
9.4 Test Sequence ....................................................................................................................................... 108
9.5 Test Levels ............................................................................................................................................. 109
9.6 Voltage Fluctuation ................................................................................................................................ 110
9.7 Test Execution ....................................................................................................................................... 111
9.8 Test Parameter File Creation and Limits ................................................................................................ 111
9.9 Test Results ........................................................................................................................................... 111
9.10 Report Format- 414 Test Files ............................................................................................................... 111
10. IEC 61000-4-17 DC Ripple Immunity Testing ..................................................................................... 113
10.1 About This Chapter ................................................................................................................................ 113
10.2 Test Setup .............................................................................................................................................. 114
10.3 Test Sequence ....................................................................................................................................... 114
10.4 Waveform Display .................................................................................................................................. 115
10.5 Test Results ........................................................................................................................................... 115
10.6 User Observations ................................................................................................................................. 116
10.7 Report Format- 417 Test Files ............................................................................................................... 116
10.8 Saving and Loading Test Setups ........................................................................................................... 116
11. IEC 61000-4-27p Voltage Unbalance Immunity Testing ..................................................................... 117
11.1 About This Chapter ................................................................................................................................ 117
11.2 Test Setup .............................................................................................................................................. 118
11.3 Equipment Classifications ...................................................................................................................... 118
11.4 Test Levels ............................................................................................................................................. 120
11.5 Waveform Display Tab ........................................................................................................................... 120
11.6 Operator Observations Tab .................................................................................................................... 120
11.7 Source Regulation.................................................................................................................................. 121
11.8 Test execution ........................................................................................................................................ 121
11.9 Test Implementation and Test Sequence .............................................................................................. 121
11.10 Test Reports ........................................................................................................................................... 121
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User Manual Compliance Test System 3.0
12. IEC 61000-4-28 Frequency Variations Immunity Testing ................................................................... 123
12.1 About This Chapter ................................................................................................................................ 123
12.2 Test Setup .............................................................................................................................................. 124
12.3 Test Sequence ....................................................................................................................................... 125
12.4 Test Levels ............................................................................................................................................. 126
12.5 Test Options ........................................................................................................................................... 126
12.6 Test Results ........................................................................................................................................... 126
12.7 Test Reports ........................................................................................................................................... 127
13. IEC 61000-4-29p DC Dips and Interruptions Immunity Test (Pre-compliance) .................................. 128
13.1 Test Setup .............................................................................................................................................. 129
13.2 Setting nominal values ........................................................................................................................... 130
13.3 Test sequence................................................................................................................................ ........ 130
13.4 Test Options ........................................................................................................................................... 131
13.5 Test Execution ....................................................................................................................................... 131
13.6 Test Results ........................................................................................................................................... 131
13.7 IEC 61000-4-29 Test Reports ................................................................................................................ 132
13.8 Source Requirements ............................................................................................................................ 133
14. Customizing IEC 61000-4 Test Parameters ....................................................................................... 134
14.1 About This Chapter ................................................................................................................................ 134
14.2 IEC 61000-4-11 Implementations .......................................................................................................... 134
14.3 Sample File IEC411.411 ........................................................................................................................ 136
14.4 Sample File IEC413.413 ........................................................................................................................ 137
15. Specifications ...................................................................................................................................... 138
15.1 About This Chapter ................................................................................................................................ 138
15.2 Measurement System Specifications ..................................................................................................... 138
15.3 PACS Specification ................................................................................................................................ 140
15.4 Environmental ........................................................................................................................................ 141
15.5 Regulatory .............................................................................................................................................. 141
15.6 Flicker Reference Impedance ................................................................................................................ 142
16. Configuration Options ......................................................................................................................... 144
16.1 About this Chapter ................................................................................................................................. 144
16.2 Accessing the Calibration and Configuration Database ......................................................................... 144
17. Calibration ........................................................................................................................................... 147
17.1 About This Chapter ................................................................................................................................ 147
17.2 Calibration ................................ .............................................................................................................. 147
17.3 Install A/D Card in PC ............................................................................................................................ 148
17.4 PACS-x Calibration Setup ...................................................................................................................... 148
17.5 Configuration Procedure ........................................................................................................................ 149
17.6 Installing New CTS 3.0 Calibration Data ................................................................................................ 152
18. Principle Of Operation ........................................................................................................................ 153
18.1 General .................................................................................................................................................. 153
18.2 AC Power ............................................................................................................................................... 153
18.3 PACS1 or PACS3 Measurement Unit .................................................................................................... 153
18.4 CTS 3.0 Software ................................................................................................................................... 153
19. Service ................................................................................................................................................ 155
19.1 Cleaning ................................................................................................................................ ................. 155
19.2 General .................................................................................................................................................. 155
19.3 Basic Operation................................ ................................ ...................................................................... 155
19.4 Advanced Troubleshooting .................................................................................................................... 158
Index .......................................................................................................................................................... 160
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Compliance Test System 3.0 User Manual
List of Tables
Table 1-1: CTS AC Source Models ................................................................................................. 12
Table 2-1: IEC 61000-3-2 Class Limits ........................................................................................... 18
Table 2-2: Harmonics Amendment 14 Test Times ......................................................................... 19
Table 2-3: IEC 61000-3-2 Class Descriptions ................................................................................. 21
Table 2-4: Average public utility disturbances per annum in Europe .............................................. 24
Table 3-1: PC Pentium/Athlon Processor Clock Speed Requirement ............................................ 29
Table 3-2: Reserved PC I/O Address Locations ............................................................................. 55
Table 5-1 : IEC Harmonics Setup Parameters ............................................................................... 72
Table 5-2 : IEC Harmonics Advanced Setup Parameters .............................................................. 74
Table 5-3 : IEC Harmonics Replay Settings ................................................................................... 81
Table 6-1 : IEC Flicker Replay Settings .......................................................................................... 90
Table 15-1 PACS Specifications ................................................................................................... 140
Table 17-1: Required Calibration Equipment ................................................................................ 147
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User Manual Compliance Test System 3.0
List of Figures
Figure 3-1: EUT Connection distance and wire gauge. .................................................................. 30
Figure 3-2: Functional Test Setup ................................................................................................... 32
Figure 3-3: Single-phase configuration 5001iX-CTS ...................................................................... 33
Figure 3-4: Single-phase configuration 1251RP-CTS ..................................................................... 34
Figure 3-5: Power Connections for PACS-1 for a single-phase CTS. ............................................ 35
Figure 3-6: Three-phase configuration 15003iX-CTS ..................................................................... 36
Figure 3-7: Power Connections for PACS-3 in a three-phase CTS. ............................................... 37
Figure 3-8: Switch Settings for Remote Impedance Control (Factory Default) ............................... 39
Figure 3-9: Switch Settings for Manual Impedance Control ............................................................ 39
Figure 3-10: Front and Rear Panel Views of the PACS-1 Module. ................................................. 40
Figure 3-11: Front and Rear Panel Views of the PACS-3 Module. ................................................. 41
Figure 3-12: Exacq Control Center Screen. .................................................................................... 46
Figure 3-13: Exacq Card Device Number ....................................................................................... 47
Figure 3-14: Exacq Test Panel ....................................................................................................... 48
Figure 3-15: Exacq DMM Screen .................................................................................................... 49
Figure 3-16: Exacq Scope Test Panel ............................................................................................ 50
Figure 3-17: NI E Series Explorer Panel ......................................................................................... 51
Figure 3-18: Figure 3 .................................................................. 51
Figure 3-19: Jumper and DIP switch location on the A/D Card ...................................................... 53
Figure 3-20: A/D Card JMP 11 Settings .......................................................................................... 54
Figure 3-21: A/D Card JMP 13 Settings .......................................................................................... 54
Figure 3-22: A/D Card Base I/O Address DIP ................................................................................. 56
Figure 5-1: Class D Current Wave Shape Template ...................................................................... 68
Figure 5-2: EUT Class Determination Flowchart ............................................................................ 69
Figure 5-3: Typical Class A test setup ............................................................................................ 71
Figure 5-4: Additonal Settings for Harmonics Test ......................................................................... 73
Figure 5-5: Harmonics Test Window .............................................................................................. 75
Figure 6-1: Flicker Test Window ..................................................................................................... 84
Figure 7-1: IEC 61000-4-11 Test Window ...................................................................................... 92
Figure 7-2: IEC 61000-4-11 Voltage Variation specification- Edition 1.0 ........................................ 93
Figure 7-3: IEC 61000-4-11 Voltage Variation specification- Edition 2.0 ........................................ 93
Figure 7-4: IEC 61000-4-11 Setup screen ...................................................................................... 95
Figure 8-1: IEC 61000-4-13 Test Window ...................................................................................... 98
Figure 8-2: IEC 61000-4-13 Flow Chart Class 1 and 2. ................................................................ 101
Figure 8-3: IEC 61000-4-13 Flow Chart Class 3. .......................................................................... 102
Figure 9-1: IEC 61000-4-14 Test Window .................................................................................... 106
Figure 9-2: IEC 61000-4-14 Test Sequence ................................................................................. 108
Figure 10-1: IEC 61000-4-17 Test Window .................................................................................. 113
Figure 10-2: IEC 61000-4-17 Waveform Acquisition Window ...................................................... 115
Figure 10-3: IEC 61000-4-17 User Observation Data Entry Window ........................................... 116
Figure 11-1: IEC 61000-4-27 Test Window .................................................................................. 117
Figure 12-1: IEC 61000-4-28 Test Window .................................................................................. 123
Figure 12-2: IEC 61000-4-28 Test Sequence ............................................................................... 125
Figure 13-1: IEC 61000-4-29 Test Window .................................................................................. 128
Figure 17-1 : CTS 3.0 Calibration Program Main Screen ............................................................. 148
Figure 17-2: Single Phase Calibration Setup ................................................................................ 150
Figure 17-3: Three Phase Calibration Setup ................................................................................ 151
Figure 19-1: Location of AC Sensor Assy. 5004-700 in PACS-x .................................................. 157
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Compliance Test System 3.0 User Manual
1. Introduction
1.1 Manual Organization
This manual describes the operation of the California Instruments Compliance Test System
Software when used in conjunction with the CTS hardware. Its primary function is as a reference
manual. If you have a question about a specific screen or how to perform a certain task, turn to
the appropriate section of the manual. The manual is organized in accordance with the normal
test procedure you would follow when testing for IEC compliance.
Some assumptions were made when producing this documentation. Specifically, it is assumed
that you are familiar with the IEC 61000-3-2 and IEC 61000-3-3 standards and their requirements.
Some background information on the IEC standards covered by the CTS system is included in
chapter 2. This information is subject to change however as standards do change. We
recommend you stay current with evolving test standards and regulations. Furthermore, it is also
assumed that you are familiar with operating a personal computer under the Microsoft Windows™
environment.
The manual is organized as follows:
Chapter 1 describes the organization of the user manual and provides a brief overview
of the CTS system components.
Chapter 2 provides an overview of the relevant IEC regulations and how compliance
testing to these regulations is implemented in the CTS 3.0 Software.
Chapter 3 covers installation of the hardware and software components required to
operate the CTS system. Proper installation of both hardware and software
is essential. This chapter walks the user through the hardware setup and the
software installation, process one step at a time.
Chapter 4 Overview of the program's menu structure
Chapter 5 covers IEC 61000-3-2 harmonics testing. This chapter provides step by step
instructions on how to set up the correct test mode and perform the
necessary steps to perform a quasi-stationary or transitory Harmonics test
on the EUT.
Chapter 6 covers IEC 61000-3-3 Voltage fluctuations testing. This chapter provides
step by step instructions on running a voltage fluctuation or flicker test.
Chapter 7 covers IEC 61000-4-11 Voltage Dips and Variations immunity testing.
Chapter 8 covers IEC 61000-4-13 standard Voltage Fluctuations immunity testing.
[Draft version]
Chapter 9 covers IEC 61000-4-14 standard Voltage Fluctuations immunity testing.
Chapter 10 covers IEC 61000-4-17 standard DC Ripple immunity testing.
Chapter 11 covers IEC 61000-4-27p standard Voltage Unbalance immunity testing.
Chapter 12 covers IEC 61000-4-28 standard Frequency Variations immunity testing.
Chapter 13 covers IEC 61000-4-29p DC Voltage dips and Variations immunity testing.
Chapter 14 covers IEC 61000-4 customization to allow for future revisions of these
standards and to accommodate different product categories.
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User Manual Compliance Test System 3.0
Chapter 15 provides the technical specifications for the Power Analysis and Conditioning
System (PACS) unit, which is a key component of the CTS system. For
technical specifications on the AC source supplied with the CTS system,
refer to the AC source manual provided.
Chapter 16 overview of available configuration options.
Chapter 17 overview of calibration procedures
Chapter 18 provides theory of operation information.
Chapter 19 provides service and troubleshooting procedures.
1.2 Compliance Test System Description
The California Instruments Compliance Test System is a complete IEC AC power test system that
covers many of the IEC regulatory test standards involving AC and/or DC powered equipment.
To ensure maximum flexibility of both the hardware and the software required to create a turn-key
system, the CTS system uses a modular structure consisting of the following components:
Programmable AC power source. The AC source provides precise, isolated and low distortion
AC power at the user specified frequency and voltage. The AC source also offers over current
protection to avoid damaging a load that exhibits a failure. The AC source can either be a
single-phase or three-phase unit. For some DC tests, iX Series based CTS systems also
provide DC output.
Power Analysis and Conditioning System unit. The PACS unit creates the electrical and
mechanical interface between the AC source, the Equipment Under Test (EUT) and the PC
based data acquisition system. It provides the necessary signal conditioning and isolation for
the acquisition system.
PC Based data acquisition system. The data acquisition system uses a fast Analog to Digital
conversion card that plugs into an available card slot in the user‟s PC. The CTS 3.0 software
controls all aspects of the A/D card and processes the data for IEC test purposes.
CTS 3.0 Software. The CTS 3.0 software implements the harmonics and flicker IEC tests. In
addition to the CTS 3.0 Software, the California Instruments CIGUI32 (Series I iX) or CIGuiSII
(Series II iX) Windows program is used to control the AC and DC source used and to
implement those IEC tests that run on the AC source, specifically the IEC 61000-4 immunity
tests.
The AC source output is connected to the rear of the PACS unit. For single-phase applications
the user only needs to connect the EUT to the IEC/77 connector located on the front panel of the
PACS unit to set up his test hardware. For three phase applications the rear terminals are used.
All user interactions with the CTS system are accomplished through the CTS 3.0 and CIGUI32 or
CIGuiSII software. There are virtually no front panel controls required to operate the CTS system.
11
Compliance Test System 3.0 User Manual
Model
VA Power
AC Source
IEC
61000-4
PACS
model
Single Phase Systems
100-CTS
AC Line
none
-
PACS-1
1251RP-CTS
1250 VA
1251RP
-
PACS-1RP
3001iX-CTS
3000 VA
3001iX
PACS-1
5001iX-CTS (-400)
5000 VA
5001iX (-400)
PACS-1
10001iX-CTS (-400)
10000 VA
10001iX (-400)
(See note below)
PACS-1-75
Three Phase Systems
300-CTS-75
AC Line
none
-
PACS-3-75
15003iX-CTS (-400)
15000 VA
15003iX
PACS-3
30003iX-CTS (-400)
15000 VA
30003iX-400
(See note below)
PACS-3-75
Table 1-1: CTS AC Source Models
1.2.1 AC Source Models
The CTS system is supplied with different programmable AC power sources depending on the
configuration. The following AC sources are supplied with each CTS system:
If you plan to use the AC line and are using a PACS-1 or PACS-3 system, you can skip this
paragraph as there is no AC source included with the system. If you are using any of the other
CTS configurations, the AC source includes its own user manual. We recommend you familiarize
yourself with the operation of the AC source and the included Windows Graphical User Interface
(CIGUI32 or CIGuiSII) for it before you start using the CTS system.
Note: PACS-1 and PACS-3 based CTS systems are rated for a maximum current of 40 amps
rms per phase. Higher current versions, PACS-1-75 and PACS-3-75, are available.
Existing 10001iX-CTS and 30003iX-CTS systems may not have been shipped with these
-75 model versions however. Damage to the standard PACS units can occur if higher
currents are present. Care must be taken to not exceed this rating when using the system
directly with the utility line or with the higher power sources. When using a 10001iX-CTS
or 30003iX-CTS system, the lower voltage/higher current output range should not be used
unless the AC source‟s current limit has been set to 40 amps or less or the system was
supplied with the -75 version of the PACS.
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User Manual Compliance Test System 3.0
1.2.2 PACS Unit
The Power Analysis and Conditioning System provides the required electrical and mechanical
interface between the AC source, the user‟s equipment under test and the data acquisition PC
system. This allows all signal connections to be made easily and conveniently. The PACS can be
single phase or three phase, depending on the CTS system configuration in use. Single phase
PACS units may also contain the required reference impedance for making flicker measurements
when a power source without programmable impedance is used. PACS units with the reference
impedance built-in have a Bypass and Flicker mode that is controlled through the A/D card digital
I/O from the CTS 3.0 software. The front panel controls for Bypass and Flicker mode are
disabled. The mode of operation (Bypass for harmonics measurements and Flicker for flicker
measurements) is indicated with a set of LED‟s.
The PACS unit has several AC power input and output connections as well as an interface
connector to the PC based data acquisition system.
For higher power systems, the CTS system can be configured with the 75 A per phase versions of
the PACS unit. (Standard on 30003iX-CTS system).
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Compliance Test System 3.0 User Manual
1.2.3 PC Based Data Acquisition System (updated for new PCI data acquisition)
All measurements required for IEC testing are performed by the data acquisition system that
resides on the user‟s PC. The measurement card needs to be installed in an available slot and the
software needs to be installed. All signal connections between the PC and the PACS unit are
made with a single 37-pin cable supplied with the system.
The following data acquisition cards are supported by the CTS 3.0 software:
CI400PCI PCI card NI 6032/4E. No longer provided on new system shipments but
still supported by CTS30 software revision 3.2.X
CI401PCI PCI card Exacq Technologies CM2110 PCI A/D card, 250 Ks/sec for
single phase systems (P/N 250803)
CI403PCI PCI card Exacq Technologies CM2210 PCI A/D card, 1 Ms/sec for three
phase systems (P/N 250797)
All CTS systems are delivered with a PCI bus A/D card. Older systems may use the –ISA or -MC
cards. The CTS 3.0 software installation differs for each of these legacy A/D cards. For new
installations, only the PCI card should be used however.
The data acquisition system samples all voltage and current channels at a high sampling rate and
provides the data to the CTS 3.0 software for further processing. The PACS provides a single
voltage input channel and three current input channels for each phase, to the PC. This allows for
current range changing on the fly. There is no need for the user to select a current range as the
software automatically uses the most suitable range available for the current signal.
1.2.4 CTS 3.0 Software Functions
The CTS 3.0 software application supports IEC 61000-3-2 and IEC 61000-3-3 compliance testing
requirements using an intuitive graphical user-interface from which you can:
Set up and run compliance-level tests. The setting up of many IEC details is facilitated
through the use of embedded standards expertise.
Collect real-time test data from the CTS System.
Display and monitor real-time test results.
Save test results to disk for analysis using other programs.
Replay previously recorded test data and single step through the data frame by frame.
Print reports and graphs in MS Word™ formats.
1.2.5 AC Source GUI Functions
If the CTS system in use was supplied with an AC source, it also includes an AC source control
software package. This Graphical User Interface program can be used to control the AC source
from the same PC using either the RS232C or IEEE-488 interface. An IEEE-488 interface is not
included with the CTS system. The PC must have an available RS232C port to use the RS232C
control interface to the source.
In the absence of a suitable interface, the user can operate the AC source from the front panel.
This does not affect the ability to run harmonics and flicker tests. It does however preclude the
use of the IEC 61000-4 immunity tests, which are only available through the CIGUI321 or CIGuiSII
AC source control program.
1
IEC 61000-4 tests are pre-compliance only on the 1251-CTS.
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User Manual Compliance Test System 3.0
Note on Interface conflicts:
If the CIGUI32 or CIGuiSII program is set up to use the same serial or IEEE-488 port (any
address) to communicate with the AC source as the CTS 3.0 software, it is not possible to have
both the CTS 3.0 Software and the CIGUI32 or CIGuiSII software running at the same time. This
is due to the fact that both programs would attempt to use the same interface to control the AC
source. If this is the case, close one program before opening the other.
If IEEE-488 is used to control the AC source with the CIGUI32 or CIGuiSII and RS232C is
selected on the CTS 3.0 or vice versa, both programs can be open at the same time but care
should be taken not to control the source from both programs at the same time. This setup is not
recommended however.
For best results, use either program in turn depending on the task at hand (CTS 3.0 for IEC
61000-3 and CIGUI32 or CIGuiSII for IEC 61000-4)
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Compliance Test System 3.0 User Manual
2. IEC Testing
2.1 About This Chapter
This chapter provides some background information on the various IEC test standards that apply
to AC powered products. It also reviews some of the test equipment requirements that are
important when testing for IEC compliance. Note that this information is subject to change as IEC
standards change over time. This overview is by no means comprehensive and is only provided
for reference. If the reader is not familiar with IEC test requirements for AC powered products, we
strongly recommend consulting information on this subject that is available through other sources.
References are provided at the end of this chapter.
The standards covered in this chapter include those, which the CTS system is capable of testing,
specifically:
IEC 61000-3-2 Quasi Static and Transitory Harmonics
IEC 61000-3-3 Flicker
IEC 61000-4-11 Voltage Dips and Variations (requires option -411 and EOS1 or EOS3)
IEC 61000-4-13 Interharmonics and Harmonics Immunity Test [Draft standard] (requires
option -413)
IEC 61000-4-14 Voltage Fluctuations
IEC 61000-4-17 DC Ripple
IEC 61000-4-27p AC Voltage Unbalance (pre-compliance)
IEC 61000-4-28 Frequency Variations
IEC 61000-4-29p DC Voltage Dips and Variations (pre-compliance)
2.2 The EMC Directive
As the world population grows and the overall energy consumption increases, industrialized
nations have become increasingly concerned with the future availability of energy. Reducing
energy consumption by using more energy efficient lighting and motor drive systems is one
approach being taken by European, US and Japanese governments. The need of more efficient
electrical systems however typically requires the use of sophisticated semi-conductor based
electronic circuits that produce current harmonics. This in turn effects power quality which is an
increasing problem on public utility networks. As lighting systems with electronic ballasts and
equipment with switching power supplies such as computers, TV‟s, fax machines and printers
proliferate, power quality deteriorates. The same is true for PWM controller motor drives. The
International Electrical Committee (IEC) has released standards dealing with the low frequency
public supply system. Initial standards were 555.2 (Harmonics) and 555.3 (Flicker) which have
since been refined and are now available as IEC 61000-3-2 and IEC 61000-3-3 respectively.
Effective January 1, 1996, most electrical devices sold within the member countries of the
European Union (EU) must meet these standards as governed by the EMC directive.
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User Manual Compliance Test System 3.0
2.2.1 Why do you have to test?
In general, these IEC directives do not have the legal force of law. However, the European Union
(EU) has issued Euro Norms in the context of these IEC directives that are legally binding and are
enforced by the EMC Police. The relevant enforceable standards are IEC 61000-3-2 and IEC
61000-3-3, which supersede EN60555.2 and EN60555.3 respectively. These standards are also
known under the IEC designator IEC 61000-3-2 and IEC 61000-3-3. Recently, the universal IEC
61000 convention has been adopted for all IEC standards.
Individual member countries have issued identical national norms, either in their native language
or in English, which carry the same legal enforceability. Other countries such as Japan and the
USA are in the process of adopting similar standards. Penalties for violating these norms range
from hefty fines to jail time. In cases where the manufacturer is not located in the EU, his
distributor or authorized agent will be held liable. Local customs agencies can stop equipment that
does not meet these IEC norms at the border. Compliance testing of equipment is performed by
accredited laboratories run by European government agencies assigned with enforcing these
norms. Also, competing vendors have been known to submit failing test results on competitors'
products to local governments to force prosecution and gain a competitive advantage in the
market place.
Conformance to the EMC low voltage directive is indicated by the CE mark. Note however, that
the CE mark includes MORE than just IEC 61000-3-2 and IEC 61000-3-3.
2.3 The IEC 61000-3-2:2000 Standard
This standard is often referred to as Amendment 14. It is less stringent for class C and D products
compared to the 1998 standard. Effective January 2001, products may be evaluated against this
standard.
2.3.1 Test Classes
CENELEC-A14 changes the definition of Class-D products. Per the amendment, only TV‟s, PC‟s
and PC monitors are to be tested per Class-D limits. This means that many products migrate to
Class-A. Note that there is no change in classification for Class-A, B, and C products, but the
harmonic analysis method for products with fluctuating power is affected by A-14 for these
products as well.
The limits for Class-C & D are proportional. Whereas this doesn‟t cause any difficulties for
products with a constant current/power level, the situation was less clear for products with
fluctuating load levels. Most test systems implemented so-called dynamic limits, with the limits
constantly being adjusted per the measured power (or the fundamental current for Class-C) while
others used some average power level to set the limits. The latter systems determine this average
power/current using some arbitrary method, and pre-test period. Thus different test systems
implement different limits for the same (fluctuating power) products, which can result in one
system PASSING a product while the other REJECTS it.
A second issue for fluctuating loads is the way the existing standard (1998 edition) defines criteria
for passing and failing the harmonics test. The existing standard permits the unit under test to
occasionally exceed the 100 % limit, provided the harmonics never exceed 150 % of the limit. In
fact, the unit under test is allowed to exceed the 100 % level for 10 % of the test time. The test
time for fluctuating loads is to be at least 2.5 minutes, i.e. the harmonics can exceed the 100 %
limit for 15 seconds in every 150-second (2.5 min) period. For longer test times, one can perform
this test in 2.5 minutes “time blocks” but another interpretation is to just take 10 % of the overall
test time. Thus, the testing method for fluctuating loads was somewhat subject to interpretation by
the test equipment manufacturer.
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Compliance Test System 3.0 User Manual
Harmonic no. (n)
Class A
Class B
Class C
Class D
IEC 555-2
A RMS
A RMS
% of
fundamental
RMS current
mA/Watt of
input power
(75 - 600 W)
A RMS
TV Receivers
> 165 W
2
1.080
1.620 2 -
0.300
3
2.300
3.450
30 x PF
3.400
0.800
4
0.430
0.645 - -
0.150
5
1.140
1.710
10
1.900
0.600
6
0.300
0.450 - - - 7
0.770
1.155 7 1.000
0.450
8
0.230
0.345 - - - 9
0.400
0.600 5 0.500
0.300
10
0.184
0.276 - -
-
11
0.330
0.495 3 0.350
0.170
12
0.153
0.230 - - - 13
0.210
0.315 3 0.296
0.120
Even 14-40
1.84 / n
2.760 / n - - - Odd 15-39
2.25 / n
3.338 / n
3
3.850 / n
1.500 / n
Table 2-1: IEC 61000-3-2 Class Limits
Pass/Fail criteria under the new standard are as follows:
The average value for the individual harmonic currents, taken over the entire test observation
period shall be less than or equal to the applicable limits.
For each harmonic order, all 1,5 s smoothed r.m.s. harmonic current values shall be less than or
equal to 150% of the applicable limits.
Harmonic currents less than 0,6% of the input current measured under the test conditions, or less
than 5 mA, whichever is greater, are disregarded.
For the 21st and higher odd order harmonics, the average values obtained for each individual odd
harmonic over the full observation period, calculated from the 1,5 s smoothed values may exceed
the applicable limits by 50% provided that the following conditions are met:
The measured partial odd harmonic current does not exceed the partial odd harmonic
current, which can be calculated from the applicable limits.
All 1,5 s smoothed individual harmonic current values shall be less than or equal to 150%
of the applicable limits.
2.3.2 IEC 61000-3-2 Test Limits
The following table summarizes the current harmonic limits for each device class that are
presently in effect. The limits are generally built into IEC test software programs such as California
Instruments‟ CTS 3.0 Test System software. If the power level of a class D device drops below 75
W (configurable - see System Administrator Manual P/N 5004-985), no harmonic current limits
are applied and the result will always show a pass.
18
The actual class limits for all classes have not changed with amendment 14. The power levels for
Class D on which these limits are calculated however and the fundament current and power factor
for class C have been changed however.
First of all, the manufacturer is required to declare the rated power (the fundamental current and
Power Factor for Class-C) for the product. This “rated power” (current & PF) will be used as the
User Manual Compliance Test System 3.0
Type of equipment
behavior
Observation period
Quasi-stationary
T
obs
of sufficient duration to meet the requirements for
repeatability.
Short cycles (Tcycle < 2.5
min)
T
obs
> 10 cycles (reference method) or Tobs of sufficient duration
or synchronization to meet the requirements for repeatability.
'Synchronization' means that the total observation period is
sufficiently close to including an exact integral number of
equipment cycles such that the requirements for repeatability are
met.
Random
T
obs
of sufficient duration to meet the requirements for
repeatability.
Long cyclic (Tcycle > 2.5
min)
Full equipment program cycle (reference method) or a
representative 2.5-min period considered by the manufacturer as
the operating period with the highest total harmonic content.
Table 2-2: Harmonics Amendment 14 Test Times
basis for the limit calculation of Class-D (Class-C). Thus, a “rated power” of 150 Watt for example,
will yield a third harmonic limit of 150 x 3.4 = 510 mA. Similarly, a rated fundamental current of 0.4
Amp, and a rated PF of 0.98 for an electronic ballast will result in a third harmonic limit of 0.4 x 0.3
x 0.98 = 117.6 mA. Thus, the amendment requires that an automated compliance test system
must allow the user to enter this rated power or rated current. Also, the test system must verify the
power (fundamental current and PF) because these “rated vales” as declared by the manufacturer
must be within +/- 10 % of the actual values. If not, the actually measured values are to be used
for the limit calculation. The method to measure these actual power, fundamental current and PF
differ from the “average method” used in existing test systems, and of course differ also from the
“dynamic limit method”.
The Pass/Fail criterion is given above. The “10 % of the time over 100 % of the limits” no longer
exists. The average harmonic level during the whole test must simply be below the limit, and
individual values in each acquisition window (after 1.5 sec filtering) must be below 150 % of the
limit. There is also an extra allowance for the higher harmonics from H 21 - H 39 .
The CTS fully supports and implements Amendment 14.
2.3.3 IEC 61000-3-2:2000 Test Time
Under the new test standard, four test times (observation periods) are allowed depending on the
nature of the EUT. All are aimed at ensuring repeatability of test results when tests are performed
under the same conditions and on the same test system. Repeatability for this purpose is defined
as results that are within 5 %. Available observation periods shown in the table below.
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Compliance Test System 3.0 User Manual
2.4 The IEC 61000-3-2 Ed 2.2:2004 Standard
This section covers the 2004 standard which incorporates amendments 1 and 2 and amendment
14. This standard must be to test products since January 2004..
The purpose of enforcing the IEC 61000-3-2 standard is to limit the amount of current harmonics
produced by electronic loads. Since harmonic currents caused by a load in turn produce voltage
harmonics across the public utilities impedance, they affect other equipment connected to the
same circuit. In fact, most public utilities exhibit voltage distortion caused by non-linear loads.
Because harmonics can have serious effects on many electrical devices, efforts to set standards
to limit their presence date back to the 1930‟s. This resulted in the IEC‟s Technical Committee
(TC) setting standards dealing with current harmonics as far back as 1977. These standards
became the basis for IEC standards 1000-3-2 and 1000-3-3 adopted in 1993. Because of their
long history, many people still refer to these standards as 555.2 and 555.3 although there are
some differences between the older and newer versions and tests performed today should be
done according to the new standards, not the old ones.
Another confusing issue that is rooted in history is the nature of the products that fall under these
IEC norms. While the original 555 specifications focused primarily on consumer products and
excluded many professional and industrial products, the new IEC 1000-3 norms expanded
coverage to include all electrical products with a rated input current up to 16 A rms per phase.
Presently, only products with a line input voltage of 220 V and above are included. Japan and the
US are working towards similar requirements that would cover products that require 100 Volts and
up. Due to the original scope of the IEC 555 norms, many manufacturers are still under the
impression that their products are exempt since they are not considered consumer products.
Especially manufacturers of switching power supplies - some of the worst “offenders” when it
comes to generating harmonics currents - have been caught off guard.
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User Manual Compliance Test System 3.0
Class
Description
A
All motor driven equipment, most “domestic” appliances and
virtually all 3 phase equipment (<16 A rms per phase)
B
All portable electric tools
C
All lighting products, including dimmers, with an active input
power above 25 Watts.
D
Products having a power range from 75 to 600 Watts AND a
current waveform that has a special wave shape.
Table 2-3: IEC 61000-3-2 Class Descriptions
2.4.1 Test Classes
The standard divides products to be tested in to four classes, A, B, C and D. Each class has its
own harmonic current limits. Class A is the default class, meaning if a product does not fall into
the categories for class B, C or D, it is by default class A. The product classes are defined as
follows:
Test limits are most stringent for Class-C and Class-D equipment. These classes were
established to cover the wide range of products that uses “cheap” switching power supplies with a
rectifier capacitor input. These units typically exhibit relatively high odd harmonics. Since this type
of supply is so commonly used, the effect of a large quantity of products like this can add up to
significant problems. To limit this effect, the current harmonic limits for class-D equipment are
specified in mA/W instead of an absolute current value as is done for class A and B. Many
consumer and professional devices such as TV‟s, VCR‟s, stereos, PC‟s, fax machines, printers
etc. may fall into the more stringent class D category.
Class-C limits are not specified in absolute values either but rather as a percentage of the
fundamental current. The third harmonic limit is also a function of the power factor so is harder to
meet as the power factor decreases. Neither class C nor D devices have to meet even current
harmonics limits.
Since class C and D limits are load dependent, the power level and power factor have to be
determined for each test. In case of fluctuating power levels, it may be necessary to measure the
power level during the test and adjust the limits used to pass or fail the unit under test
dynamically.
This dynamic nature of the class C and D limits has resulting in some confusion and a possible
problem of inconsistent test results when using IEC test systems for different vendors. The
Standards body working group for harmonics is in the process of clarifying some of the class and
limit issues and these efforts are likely to result in a revision of classes and limit calculations
sometime in the year 2001. Until a new standard is established, the CTS 3.0 software maintains a
database of test limit values than can be updated over time if needed without changing the core
program.
CTS 3.0 software makes dynamic classification for Classes A and D. The classification follows
the following principle. If during either a Class A or D test the EUT becomes a Class A device, the
EUT will be considered a Class A device. If the EUT is a Class D device through out the test,
then the device is a Class D device. In other words, Class A is a latching classification. Please
note that even though the classification may change during a test, a Class A (or D) test will still be
performed according to Class A (or D) specification.
2.4.2 Steady State versus Transitory Harmonics
Two types of harmonics testing are called for in the IEC 61000-3-2:1998 standard, a quasi steady
state and a transitory one. The transitory harmonics tests allow for equipment that has power
demands that vary over time to temporarily exceed the harmonic current limits by as much as 50
%, as long as such elevated levels do not occur for more than 10 % of the test period. Since the
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Compliance Test System 3.0 User Manual
minimum test time required is 2.5 minutes or 150 seconds, this means the current harmonics can
be as high as 150% of the standard limits for no more than 15 seconds in any 150 second period.
This requirement imposes more demands on the power analyzer being used than it does on the
AC power source.
Steady state harmonics are those exhibited by equipment that has a constant current draw such
as a fluorescent lighting fixture. Many pieces of equipment, such as Laser printers that have a
heating element that kicks in any time a page is printed, have fluctuating power demands and may
require transitory harmonics testing.
Note that Amendment 14 does away with the distinction between stationary and transitory
harmonics.
2.4.3 IEC 61000-4-7 Inter Harmonics Evaluation.
IEC61000-3-2 Edition 2.2 (2004-11) references measurement methods per IEC61000-4-7 and
Edition 2.0 of this measurement standard specifies the inclusion of inter harmonics. For the
assessment of harmonics, the harmonic and inter-harmonic current levels are grouped to be the
sum of squared intermediate lines between two adjacent harmonics according to the equation
below, as visualized also in the accompanying figure. The resulting harmonic group component of
order n (corresponding to the center line in the hatched area) has the magnitude C (rms value).
In these equations, “c” is the modulus of the spectral component corresponding to an output bin of
the Fourier Transform of the data obtained from the 200 ms acquisition period , and “C” is the
resulting modulus of the harmonic which is to be compared against the limits in IEC61000-3-2 for
the selected test class.
This inter harmonics measurement is not mandatory as of this writing, as the use of equipment
meeting the previous version of IEC61000-4-7 (the older Edition 1) is permitted for a short period
(until the existing IEC61000-4-7 Edition 2 has gone through its maintenance cycle). Therefore the
user has the option to either disregard inter harmonics, or to group them into the assessment by
selecting the appropriate field in the “Test Category” settings.
It should be noted that selecting this “inter harmonics grouping” has little impact on the
measurement results for the vast majority of products. Only products with active power factor
correction AND highly fluctuating power consumption will produce inter harmonic levels that would
add to the level of “C” as given above. Most products do not produce inter harmonics, and
therefore the measured harmonic currents will be the same either way.
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User Manual Compliance Test System 3.0
2.5 The IEC 61000-3-2 Ed 3.0:2005 Standard
The newer standard allows Class A test to exceed 150% limit and less than or equal to 200% of
the applicable limits under the following conditions, which apply al l together:
1) The EUT belongs to Class A for harmonics.
2) The excursion beyond 150% of the applicable limits lasts less then 10% of the test
observation period or in total 10 min (within the test observation period), whichever is
smaller, and
3) The average value of the harmonic current, taken over the entire test observation period,
is less than 90% of the applicable limits.
2.6 IEC 61000-3-3 Flicker
Flicker standards are imposed to limit voltage variations caused by loads connected to the low
voltage supply network that would cause lights connected to the same circuit to flicker. A complex
measurement approach outlined in IEC 868, was devised to correlate voltage fluctuations to a
human perceptibility factor (P). The IEC 61000-3-3 standard sets limits for voltage fluctuations
caused by electrical apparatus with a current level up to 16 Amps per phase. The standard
describes a human flicker perceptibility curve that defines the upper limit for acceptable flicker.
This curve plots the percentage of voltage fluctuation against the amount of voltage fluctuations
per minute.
As is the case for the Harmonics standards, the Flicker standard dates back several years and
was rooted in the IEC 555.3 specification. Today however, the IEC 61000-3-3 standard should be
used to evaluate equipment. Note that low power equipment generally does not cause Flicker and
therefore often can be exempted from this requirement. The standard permits the equipment
manufacturer to prove via analysis that their products are unlikely to cause voltage fluctuations.
This analysis becomes part of a Technical Construction File (TCF) which in turn may be used to
obtain product certification.
2.6.1 IEC 61000-3-3 Flicker Test AC Source Requirements
As is the case with Harmonics testing, the IEC 61000-3-3 standard imposes requirements on the
AC source that is used. Some of these requirements are similar and less severe than those
imposed under IEC 61000-3-2. For example, total harmonic distortion of the voltage can be 3 %
for Flicker testing as opposed to only 1.25% for harmonics testing. The voltage regulation needs
to be better than 2 % which is not a problem for most AC sources. In rare cases, the line voltage
may even be used for this purpose. More often than not, however, the use of an AC source with
well-defined specifications is recommended to obtain repetitive test data and eliminate the
possibility of flicker caused by line fluctuations, not load current fluctuations. California
Instruments offers AC power sources in both single and three phase configurations that meet
these requirements. The same AC power source described under IEC 61000-3-2 (Harmonics) AC
source requirements can be used for Flicker test applications.
To simulate the resistance and inductance of the low voltage distribution systems, the IEC 610003-3 requires a specific AC source output impedance to be used. This reference impedance, as
specified in IEC-725, is defined in such a way that it approximates a typical distribution network
impedance. Individual countries may require the use of a different reference impedance that more
closely resembles the actual impedance of that countries‟ specific distribution network. Most
European countries use the specified reference impedance value however.
The required reference impedance for Flicker testing is either built into the PACS unit of the single
phase CTS systems or provided through a programmable output impedance of the AC Source.
This is determined by the AC Source model used. Optionally, a lumped reference impedance
option is available for customers who prefer to use this approach over the programmable output
impedance method.
Note that the lumped reference impedance option for the CTS system is exactly matched to the
California Instruments‟ power source output impedance with which they are used. Do not use third
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Compliance Test System 3.0 User Manual
DEPTH
DURATION
(Voltage drop in % of
nominal Ut)
10 to < 100 ms
100 to < 500
ms
500 ms to 1
sec
1 sec to > 3
sec
10 %o < 30 %
61
66
12 6 30 % < 60 %
8
36 4 1
60 % < 100 %
2
17 3 2
100 %
0
12
24
5
Number of disturbances per year
Table 2-4: Average public utility disturbances per annum in Europe
party reference impedance networks with the CTS system as the combined AC source and
network impedance may not match the IEC 61000-3-3 requirement. The 1251RP-CTS is always
supplied with a lumped reference impedance built in to the PACS-1 unit as these AC Source
models do not offer programmable output impedance.
In general, programmable output impedance of the AC Source yields higher accuracy compared
to a physical lumped impedance. It also allows testing against other national flicker standards
such as those in Japan where different reference impedance values are called out.
2.6.2 When to Test for IEC 61000-3-3
As mentioned, it may not be necessary to test every product for IEC 61000-3-3. If it can be shown
that maximum power consumption of the unit under test is low, and the surge current level at turnon is limited, it can be shown that the product causes insignificant Flicker levels across the
reference impedance. For loads having an rms current draw of more than 5 Amps, it is generally
recommended to verify conformance to IEC 61000-3-3 however.
2.7 IEC 61000-4-11 Voltage Dips and Variations
The IEC 61000-4-11 is an immunity test for low voltage equipment to ensure reliable operation
when connected to the public distribution system. This test requires an AC source that is capable
of generating specific voltage variations and voltage dips. The unit under test must not sustain any
damage from such occurrences nor cause unsafe conditions.
The need to test for immunity of products against voltage dips and interruptions was prompted by
studies of electric utility availability. The results shown in Table 2-4 were found in this study
(UNIPEDE study 91 en 50.02). From this data it is clear that most disruptions are short in nature
(about 5 to 10 periods) and no more than 60 % below nominal. Occasionally however, extended
periods of complete power loss occur. It is suggested that this test data also be used as a guide in
selecting appropriate test levels.
2.7.1 Why Do You Have to Test?
The IEC 61000-4-11 affects a large set of products, specifically; "Electrical and electronic
equipment having a rated input current not exceeding 16 A per phase." Thus, most single and
three phase AC powered equipment used in domestic and light industrial settings fall in this
category. In fact, around 95 % of all electrical equipment in household and light industrial
applications, require no more than 16 A per phase. In Europe, this implies real apparent levels of
230 V * 16 A = 3680 VA, with real power either at the same or a lower level. Specifically excluded
are all DC powered products (battery operated devices) and 400 Hz AC equipment. (Avionics)
These products will be covered in future IEC standards. At this time meeting the IEC 61000-4-11
standard is required for most products to obtain the CE Mark, required to market products in the
European Union.
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User Manual Compliance Test System 3.0
California Instruments‟ CTS system supports IEC 61000-4-11 testing using an iX Series AC power
source. For full AC Source compliance, the EOS1 or EOS3 Electronic Output Switch option is
required. Non iX Series based CTS systems offer pre-compliance testing of IEC 61000-4-11 only.
The test sequencer and report generation for IEC 61000-4-11 is provided through the CIGUI32 or
CIGuiSII Windows software. To accommodate changes in the specification, test levels and
duration can be set by the operator or loaded from disk if needed.
2.8 IEC 61000-4-13 Interharmonics and Harmonics Immunity Test
The IEC413 option is capable of performing IEC 61000-4 section 13 Harmonics and inter
harmonics low frequency immunity tests. The tests are based on IEC 61000-4-13:2002-03, First
Edition. It is assumed that the user has a copy of the test standard available. This manual section
only cover operation of the –413 option from the front-panel of the iX Series power source.
Note 1: The initial release of the –413 option for the iX Series power sources was based on a
draft version (CDV) of the IEC 61000-4-13 standard. Minor changes were made between the CDV
draft and the final released version. Units with firmware revision 2.37 or higher conform to the
official released IEC standard. Units with older firmware conform to the draft version. A firmware
upgrade can be ordered through California Instruments‟ service department by contacting
support@calinst.com and requesting part number CIC463. Provide the model and serial number
of the unit (master unit in multi-box systems) to ensure the correct firmware is provided. The
firmware revision is displayed on the LCD screen immediately after power up for a few seconds. It
can also be queried over the bus using the “*IDN?” command.
Where relevant, the requirement for the correct firmware revision to obtain specific test modes is
indicated in this manual.
Note 2: The –413 option is only available on iX Series AC power sources, not i Series. It is
possible to upgrade most i Series AC source to an iX Series and add the –413 option. Contact the
California Instruments service department for information. support@calinst.com
2.9 IEC 61000-4-14 Voltage Fluctuations
The IEC 61000-4-14 is aimed at testing a product for immunity against voltage fluctuations that
can occur on the public utility. The nature of the voltage fluctuations is different from those tested
under IEC 61000-4-11 however. The fluctuations covered in this standard are less severe and
involve typical high and low line conditions.
California Instruments‟ CTS system supports full compliance IEC 61000-4-14 testing on all iX
Series based CTS systems. The IEC 61000-4-14 test is implemented in the CIGUI32 or CIGuiSII
Windows software. To accommodate changes in the specification, test levels and duration can
be changed by the operator or loaded from disk if needed. Non iX Series based CTS systems
offer pre-compliance testing of IEC 61000-4-14 only.
2.10 IEC 61000-4-17 DC Ripple
The IEC 61000-4-17 is aimed at testing a DC powered product for immunity against voltage ripple.
Ripple is often caused by feed-through from the AC input section of a DC supply and exhibits itself
as a small AC signal riding on the DC output. The IEC 61000-4-17 standards covers test levels
and frequencies for testing the immunity of DC products against such phenomena.
The CTS system supports full compliance IEC 61000-4-17 testing (iX Series based CTS systems
only). The IEC 61000-4-17 test is implemented in the CIGUI32 or CIGuiSII Windows software.
To accommodate changes in the specification, test levels and duration can be changed by the
operator or loaded from disk if needed. Non iX Series based CTS systems do not offer this test.
2.11 IEC 61000-4-27p Three Phase Voltage Unbalance
Three phase CTS systems support pre-compliance IEC 61000-4-27 testing. The IEC 61000-4-27
test is implemented in the CIGUI32 OR CIGUISII Windows software. To accommodate changes
in the specification, test levels and duration can be changed by the operator or loaded from disk if
needed.
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Compliance Test System 3.0 User Manual
2.12 IEC 61000-4-28 Voltage Frequency Variations
The CTS system supports full compliance IEC 61000-4-28 testing (iX Series based CTS systems
only). The IEC 61000-4-28 test is implemented in the CIGui32 OR CIGuiSII Windows software.
To accommodate changes in the specification, test levels and duration can be changed by the
operator or loaded from disk if needed. Non iX Series based CTS systems offer pre-compliance
testing of IEC 61000-4-28 only.
2.13 IEC 61000-4-29p DC Voltage Dips, Interruptions and Variations
The CTS system supports pre-compliance IEC 61000-4-29 testing (iX Series based CTS systems
only). The IEC 61000-4-29 test is implemented in the CIGui32 or CIGuiSII Windows software.
To accommodate changes in the specification, test levels and duration can be changed by the
operator or loaded from disk if needed. Non iX Series based CTS systems do not support testing
to IEC 61000-4-29.
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User Manual Compliance Test System 3.0
Document Number
Date of
Publ.
Title
IEC 725
(1981)
“Considerations on reference impedances for use in
determining the disturbance characteristics of household
appliances and similar electrical equipment.”
IEC 868
(1986)
“Flicker meter, Functional and design specifications.”
IEC 868 Amendment 1
(1990)
“Flicker meter, Functional and design specifications.”
IEC 868-0
(1991)
“Part 0: Evaluation of flicker severity.”
IEC 61000-3-2
(1995)
“Part 3: Limits - Section 2: Limits for harmonic current
emissions (equipment input current < 16 A per phase.)”
IEC 61000-3-3
(1994)
“Part 3: Limits - Section 3: Limitation of voltage fluctuations
and flicker in low-voltage supply systems for equipment with
rated current < 16 A.”
IEC 61000-4-7
1996
“General guide on harmonics & inter-harmonics” New
version expect early 2002.
2.14 References
Additional information on IEC norms and requirements may be obtained from the following
sources. You may also check for the latest IEC related information on California Instruments' web
site at www.calinst.com.
Copies of complete IEC standards
may be obtained from at:
International Electrotechnical Commission (IEC)
P.O. Box 131
1211 Geneva 20
Switzerland
Phone: +41 22 919 0300
Fax: +41 22 919 0228
Web: www.iec.ch
or in the USA:
American National Standards Institute (ANSI)
Sales Department
11 West 42nd Street
New York, NY 10036
Phone: +212 642 4900 Fax: +212 302 1286
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Compliance Test System 3.0 User Manual
3. System Installation
3.1 About This Chapter
This chapter provides information on system installation and covers both the hardware
connections that need to be made between the various components and the software setup.
Proper installation of all hardware components and software modules is required to successfully
use the CTS system. Some experience with AC power systems and PC‟s running Windows is
assumed.
3.2 Hardware Installation
3.2.1 Unpacking
Inspect the unit for any possible shipping damage immediately upon receipt. If damage is evident,
notify the carrier. DO NOT return an instrument to the factory without prior approval. Do not
destroy the packing container until the unit has been inspected for damage in shipment.
3.2.2 AC Source
Refer to the User Manual provided with the AC Source.
The main power requirements for the CTS are dictated by the AC power sources used and the
power levels that the Equipment Under Test will demand. Consult the AC Power source manual
for input current and input wiring requirements.
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User Manual Compliance Test System 3.0
Mode
A/D Card
Win XP / 2000
Single phase
PCI
2.6 GHz
Three phase
PCI
3.2 GHz
Table 3-1: PC Pentium/Athlon Processor Clock Speed Requirement
3.3 PC Requirements
The CTS system requires a PC to operate. The included CTS 3.0 software must be installed on a
PC capable or acquiring and processing data in real-time to ensure no-gap acquisition as required
by both the harmonics and flicker test standards.
NOTE: It is recommended to purchase the required PC from California Instruments using the CIC-
PC-PCX option. This ensures a suitable PC with the software pre-installed and tested will be
furnished with the system for turnkey operation. This option also includes a monitor and
printer. If this option is not ordered, the PC to be used with the system should be shipped to
California Instruments prior to delivery for integration and test. In this case, it is the
customer’s responsibility to ensure the provided PC meets the performance criteria
outlined below.
The PC requirements will depend to some extend on the following factors:
The phase mode. Three phase systems require more CPU power than single-phase
systems.
The type of A/D card used. Three phase systems based on the ISA are unable to process
interharmonics.
The version of Windows operating system used.
From time to time, a newer version of the CTS 3.0 software may be released. New
versions are tested only with contemporary operating systems. As such, it may be
required to upgrade to a newer operating system to support the latest version of the CTS
3.0.XX software. Presently, CTS 3.0.XX is tested only on Windows XP and Windows
Vista platforms.
For report generation, a copy of MS Word is required. The MS Word version supported is
Word 9.0 (Word 2000). Older versions of MS Word may no longer work when upgrading
to the latest CTS 3.0.XX software version. In that case, a newer version of MS Word may
have to be installed.
The matrix below shows the required minimum process clock rate. These clock rates apply to
either Celeron, Pentium 4 or AMD Athlon and Klamath based PC's. The values shown are
minimum values, not recommended values. To allow future expansion, it may be advisable to plan
on using a faster PC.
Other minimum PC requirements are:
Windows XP, Windows 2000 or Windows Vista. Other versions of Windows operating
systems are no longer supported.
RAM size 512 Mbytes minimum.
SVGA (800 x 600 resolution, 16 or more colors).
IDE or SCSI hard disk drive of 20 GByte size or more.
PC Processor speed matrix shown minimum clock speeds, not recommended clock speeds for
the PC. A faster PC can be used. This assumes other applications and/or screen savers that take
up processor time are generally closed.
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Compliance Test System 3.0 User Manual
PACS 1 - Rear Panel View
Equipment
Under Test
To AC Source
or OMNI Load
Connection
AC INAC OUT
Line Neutral
Keep Wire Length
short. (< 5 ft)
Use proper wire
gauge
Figure 3-1: EUT Connection distance and wire gauge.
3.4 PACS Unit
The PACS measurement module can be operated on either 115V or 230 V. It requires less than
0.5 Amps to function.
3.4.1 Mechanical Installation
The PACS unit can be used free standing on a bench and may be placed on top of the AC power
source. Rack handles are standard, and if the optional rack slides are ordered, then the entire
CTS system may be mounted in a standard 19 inch cabinet. The units are fan cooled, drawing air
in from the sides and exhausting at the rear. The sides of the unit must be kept clear of
obstruction and a 6 inch (152 mm) clearance must be maintained to the rear for proper cooling.
3.4.2 EUT Connection Wiring
For single phase wiring diagrams see Figure 3-3, Figure 3-4 and Figure 3-5. For three phase
systems, see Figure 3-6 and Figure 3-7. The wire size used is dictated by the measured currents
and voltages. Any wire used must be rated for the maximum expected current and voltage. The
PACS unit is rated for 40A RMS maximum per phase when the rear power terminals are used and
therefore AWG 8 is recommended if currents >30A and up to 40A are expected. For currents in
the 15 to 30A range AWG 10 is sufficient.
The PACS-3-75 used on 10001iX-CTS and 30003iX-CTS systems is rated for 75 A and as such
requires the use of at least AWG 6 wire gauge or larger diameter.
Caution: It is important to keep the distance between the PACS output and the EUT
as short as possible to avoid adding additional wiring impedance to the test setup.
This is particularly important for flicker test measurements, as the wire impedance will affect the
level of any voltage fluctuations caused by the EUT. Try to limit any output wiring to no more than
5 feet (1.5 meters) or use larger diameter wire as the distance to the EUT increases. Refer to
Figure 3-1.
In addition, when doing compliance testing from the front panel outlet on a single phase PACS
unit, bear in mind the rating of the IEC/77 outlet socket is 16A RMS max.
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User Manual Compliance Test System 3.0
Caution: Be sure to replace the small rear top cover on the PACS unit after the
wiring has been installed, otherwise insufficient cooling of internal components may
result.
3.5 Functional Test
If it is desired to perform a functional test of the system upon receipt the following procedure can
be used. However, the AD signal card and the CTS 3.0 Software must first be installed for proper
operation. See installation instructions later in this section.
CAUTION: Work carefully when performing this test, hazardous voltages will be present on the
AC input and output connections during this test.
Refer to Figure 3-2 for the test setup. See also Figure 3-3 through Figure 3-7 for detailed
installation diagrams.
1. Connect a current transformer to the neutral wire going into the AC input port at TB4 on the
rear of the PACS unit. Connect the CT output to a DMM to read the actual input current.
2. Connect a DMM to the line and neutral connections at TB4 inside the rear panel.
3. Connect a 10 load to the front panel outlet, or, use the rear panel AC outlet port at TB3.
4. Enable the AC power input to the PACS unit, whether from the line or from a power source.
Apply 120Volts AC at 60Hz.
5. Start the CTS 3.0 software in harmonics mode and measure the load current and voltage
from the GUI. Verify the GUI readings and the external DMM readings for current and voltage
are within 1% of each other.
In the unlikely event the power source does not pass the functional test, refer to the calibration
procedure in section 0, or, refer to the service procedure in Section 19. If the problem cannot be
resolved, call California Instruments‟ customer satisfaction department for further assistance.
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Compliance Test System 3.0 User Manual
Figure 3-2: Functional Test Setup
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User Manual Compliance Test System 3.0
Figure 3-3: Single-phase configuration 5001iX-CTS
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Compliance Test System 3.0 User Manual
Figure 3-4: Single-phase configuration 1251RP-CTS
RS232 or
IEEE-488
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User Manual Compliance Test System 3.0
Figure 3-5: Power Connections for PACS-1 for a single-phase CTS.
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Compliance Test System 3.0 User Manual
Figure 3-6: Three-phase configuration 15003iX-CTS
RS232
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User Manual Compliance Test System 3.0
Figure 3-7: Power Connections for PACS-3 in a three-phase CTS.
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Compliance Test System 3.0 User Manual
3.6 Front Panel Connections and Controls
The front panel incorporates three functional areas:
Output Sockets/Connectors
Status Indicator lights
Switch/Button controls
3.6.1 Output Sockets/ Connectors
PACS-1, PACS-3 and PACS-3-75
PC Interface Connector located on front panel is in parallel with the rear panel connector. Use
front panel interface connector if rear panel access is difficult.
PACS-1 ONLY
The Output Socket is located on the right side of the front panel. It provides connection to a
European CEE7/7 plug. This socket is connected to the same point as the rear panel AC output
connector TB3. Keep in mind that this socket is rated for 16A only, while the rear terminals at
TB3 are rated for 40A.
3.6.2 Status Indicator Lights
PACS-1 and PACS-3
The “ON “ LED indicates The PACS module is powered up. Note: Even if the PACS unit is
powered down, the AC input terminals may still be live if the applied source has not been shut
down.
PACS-1 and PACS-1RP
The BYPASS LED indicates the internal test impedance network is bypassed with relays.
The FLICKER LED indicates the internal test impedance is connected to the output for
compliance testing.
Note: If the PACS-1 does not have the optional reference impedance installed, then the bypass
LED will stay lit permanently and the flicker/bypass button will have no effect.
3.6.3 Switch/Button Controls
PACS-1 and PACS-3
The front panel power switch located on the left hand side of the PACS unit energizes the
measurement circuits.
PACS-1
The Flicker/Bypass button toggles the internal impedance on and off, the FLICKER and BYPASS
LEDs indicate which state the circuit is in.
Keep in mind that the internal impedance network can be switched in or out manually from the
front panel, or, remotely by the flicker software. The default setting for the flicker relay control is
remote via the DB37 connector.
Should it be desired to enable the front panel flicker control, it will be necessary to remove the top
cover of the PACS-1 unit and set selector switches S1-1and S1-2. This light blue switch
assembly is located on the AC Sensor board towards the front and left hand side of the PACS
unit. See Figure 33 on page 105 for circuit board orientation . See figures on next page for
proper switch orientation.
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User Manual Compliance Test System 3.0
1 2
S1
NO
1 2
S1
NO
Figure 3-8: Switch Settings for Remote Impedance Control (Factory
Default)
Figure 3-9: Switch Settings for Manual Impedance Control
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Compliance Test System 3.0 User Manual
Figure 3-10: Front and Rear Panel Views of the PACS-1 Module.
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User Manual Compliance Test System 3.0
Figure 3-11: Front and Rear Panel Views of the PACS-3 Module.
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Compliance Test System 3.0 User Manual
3.7 Rear Panel Connections and Controls
The rear panel incorporates three functional areas
PACS AC input supply.
Measurement input/output connections.
PC interface, Clock and Lock interface.
3.7.1 PACS AC Input Supply
The AC input to the PACS unit is on the right side of the rear panel. The molded cord plugs into
the combination range change/ fuse holder assembly.
The AC power input module has a red plastic fuse holder that also serves as the input voltage
range selecting device. The selected voltage range (115V or 230V) is displayed through a small
rectangular window.
To change the fuse: 1. Remove power cord from input module.
2. Pry cover loose with a small screwdriver.
3. Pull out fuse holder, prying with a screwdriver will be necessary.
4. Replace ½ A fuse and reassemble in reverse order.
To change input range: 1. Remove power cord from input module.
2. Pry cover loose with a small screwdriver.
3. Pull out fuse holder, prying with a screwdriver will be necessary.
Orient the red fuse holder so that the desired voltage shows through
the window. While holding the two fuses in the holder, reinsert the
fuse module and close the cover.
3.7.2 Measurement Input / Output Connections
The AC power input to be measured must pass through the cable strain relief clamp at AC INPUT
and then to connector TB4, located just behind the rear panel. Similarly, the wires from TB3 are
routed through the cable clamp at AC OUTPUT to the Equipment Under Test. To gain access to
power connectors TB3 and TB4 the access panel located on the top rear of the unit must be
removed. Remove the four screws holding the connector access panel in place and remove the
panel. Once input and output wiring is complete, reattach the connector access panel.
3.7.3 PC Interface, Clock and Lock Interface
The PC interface connector accepts the DB-37 interface cable that goes to the PC with the AD
Card and the CTS 3.0 Software.
Note: When connecting the high density 68 pin connector to the back of the A/D card in
the PC, make sure to align the cable plug with the A/D card connector carefully so
as not to bent any pin. The connector should insert easily. If undue force is
needed, the plug may not be aligned properly or one or more pins may be bent.
Check the plug and connector carefully before installing the supplied cable
between the PACS and the PC.
The CLOCK and LOCK BNC connectors are available for future interface capabilities to CI power
sources.
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User Manual Compliance Test System 3.0
3.8 Data Acquisition Card Installation - PCI Card Version
All measurements in the CTS System are performed through a dedicated data acquisition card
that needs to be installed in the host PC. The PC that this card is being installed in must have at
least 512 Mbyte of RAM memory for the card and software program to work correctly. This
section provides the necessary installation procedure for both hardware and software of the PCI
version A/D Card. The PCI card is a Windows compliant Plug-n-Play card that requires a single
PCI slot in the test system PC. The card driver is installed along with the CTS 3.0 software.
3.8.1 Unpacking and Handling
The following items are included as part of the CTS System A/D Card kit:
1. A/D conversion board, Exacq PCI card (CI401PCI P/N 250803 for PACS1 or CI403PCI P/N
250797 for PACS3).
or
A/D conversion board, National Instruments M Series PCI-6220 (P/N 250821) for PACS1 or
PCI-6250 (P/N 250822) for PACS3.
2. 68 to 37 pin adapter cable, HD68 (High Density) male to DB37 male connector. For Exacq
card, supplied cable is P/N 250798. For NI M Series A/D card, supplied cable is P/N 5004229-1.
3. CIC632 CD ROM with CTS30 software and Exacq card drivers. NI M Series card drivers are
supplied on NI CD ROM included.
4. CD ROM with calibration data.
Verify that all components are available. The CTS system will not operate if any of these items
are missing. If any item is missing or visibly damaged, contact California Instruments customer
service department immediately. Refer to page 3 for details on contacting California Instruments.
Retain the original packaging material for the card and its accessories in the event you ever need
to return the PCI A/D card to California Instruments.
Keep the PCI card in its protective anti-static bag until you are ready to install it in an available PCI
slot of the host PC. This will minimize the chance of damage due to electrostatic discharge.
When you finally do remove the card from the bag, make sure you are wearing a wrist ground
strap and hold the card by its edge to avoid touching any of the components.
There are no jumpers of DIP-switch settings on the PCI A/D card as all configuration data is
retained in EEPROM.
The correct order of installation is:
1. Install the PCI Card drivers from the CIC632 (Exacq Technologies driver) CD ROM.
2. Turn off the PC and install the PCI A/D card in an available PCI slot.
3. Reboot the PC and let Windows find the A/D card and complete installation of the drivers.
4. Install the CTS30 software from the CIC632 CD ROM.
Note: For systems furnished with (National Instruments E Series or M Series) A/D card type, do
not install the Exacq card drivers from the CIC632 CD ROM but use the supplied National
Instruments CD ROM to install the A/D card driver first.
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Compliance Test System 3.0 User Manual
3.8.2 Installing the PCI Card Driver Software
Insert the National Instruments NI-DAQ distribution or the CIC632 (Exacq Technologies driver)
CD-ROM in the CD ROM drive. The setup.exe program should start if the CD ROM drive is
configured for AutoStart. If not, double click on the Setup.exe program to launch the installation
wizard.
Follow the installation prompts for the Driver installation to install the A/D Card drivers.
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User Manual Compliance Test System 3.0
3.8.3 Installing the PCI A/D Card
Following the procedure outlined below to install the PCI card in the test system PC:
1. Disconnect your PC from any main power.
2. If possible, wear a grounded wrist strap to prevent ESD damage to the PC and the A/D Card
and place the PC cabinet on a firm ESD safe working surface.
3. Remove the cover of the PC cabinet following the directions provided by the PC
manufacturer.
4. Locate the PC‟s PCI bus expansion slots. The CI40nPCI requires a single 32 bit PCI slot.
5. Using a suitable screwdriver (typically Phillips #2), remove the cover plate for the slot you
opted to use in step 4. The A/D card has its own cover plate so the one you remove may be
saved or discarded at your own discretion. You will need to re-use the screw however, so
make sure you do not loose it.
6. Carefully remove the PCI card from its protective bag and hold it along the top edge. Take
care not to touch the gold finger edge connectors at the bottom.
7. Insert the card carefully in the selected slot making sure the DB68 connector clears the slot in
the back of the PC. Press down firmly along the top edge of the board to make sure the
board is seated properly in the PCI slot connector. It may help to rock the board gently or
start from one end of the edge connector.
8. Install the screw you removed in step 5 and secure the PCI board to the PC slot by its cover
plate.
9. If you plan to use an IEEE-488 Controller to communicate with the AC Source and have not
installed one in the host PC yet, now would be a good time to do so. Follow the Bus
Controller manufacturer‟s instructions for installation.
10. Replace the PC‟s cover following the directions provided by the PC manufacturer.
Note: When connecting the high density 68 pin connector to the back of the A/D card in the PC,
make sure to align the cable plug with the A/D card connector carefully so as not to bent
any pin. The connector should insert easily. If undue force is needed, the plug may not be
aligned properly or one or more pins may be bent. Check the plug and connector carefully
before installing the supplied cable between the PACS-3-75 and the PC.
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Compliance Test System 3.0 User Manual
CI Designation
Exacq P/N
System
CI401PCI
CM2110
Single phase systems
CI403PCI
CM2210
Three phase systems
Figure 3-12: Exacq Control Center Screen.
3.8.4 Testing the Exacq Technologies PCI card (CI401PCI, CI403PCI)
Note: If the CTS system was supplied with the National Instruments E Series A/D card, refer to
section 3.8.5 instead.
Card Reference numbers:
After installing the A/D card in an available PCI slot, you must configure the card for operation in
the CTS. Generally, the PCI card will be the only A/D card to be used in your PC, but in case there
are more cards present, contact the factory for details concerning multi-card configuration.
After installing the PCI card, turn the computer back on. When Microsoft Windows starts up, it
should discover the new Exacq A/D device.
Next, you need to test the A/D card in your computer, and configure the A/D card for use with the
CTS software. After the PC starts up, you will have a new Program Group, called Exacq. Start the
application called Exacq Control Center from this new Exacq program group on the Windows
Start menu. See Figure 3-12 below.
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User Manual Compliance Test System 3.0
Figure 3-13: Exacq Card Device Number
The new data acquisition card will appear as a node in the LocalSystem | Hardware | Exacq |
PCI/PXI branch of the System tree.
Click on this node. The serial number and logical device number will display in the Configuration
pane. The logical device number is the identification that application software such as the CTS
uses to specify which hardware device will be used. This device number should only be changed if
you have multiple A/D cards in the PC. See Figure 3-13 below).
Otherwise, leave the number as is. In the event this is necessary, you may change the assigned
device number by clicking on the configuration tab and selecting a new number using the device
number edit control. Only knowledgeable users should make changes to these settings.
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Compliance Test System 3.0 User Manual
Figure 3-14: Exacq Test Panel
You are now ready to verify that the A/D card functions properly in your PC. To do so, select the
“Test” tab in the Configuration panel. This will bring up the test panel (see illustrations Figure 3-14,
Figure 3-15 and Figure 3-16 on following pages). This test panel can be used to test all analog
input channels and analog output channels as well as the digital IO lines. You can test Channel 0
(zero) as shown below. Assuming you have connected the interface cable to the PACS signalconditioning unit, and the PACS receives the supply from the power source, the display will look
similar to the figure below. Assuming the card functions properly, installation and configuration of
the Exacq data acquisition hardware and software is now complete.
You can run the Exacq Bench software to do a further functional check of the CTS hardware, and
interconnect cable between the A/D card and the PACS (CTS signal conditioning unit). Close the
Exacq Control Center window. Start the application called Exacq Bench from this new Exacq
program group on the Windows Start menu.
Make sure the PACS is powered up, and the A/D card cable is properly attached to both the card,
and the PACS. Of course, the power source needs to be operating, and must supply an
appropriate voltage to the measurement system.
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User Manual Compliance Test System 3.0
Figure 3-15: Exacq DMM Screen
You may now apply a load to the CTS. Typically, this will be the 230 Volt – 50 Hz supply voltage
that is used to power the products to be tested. This voltage is routed to logical channel 0 of the
A/D card, via a differential input amplifier and a 100: 1 attenuation factor in the PACS. On the
Exacq Bench menu bar, select “Instrument”, “Volt Meter”. Thus, the Exacq Bench DVM function
will display approximately 1.00 volt for a 100 Volt AC voltage setting of the power source, such as
may be used in Japan (see the example of the DVM function below). The display should be about
2.30 Volt rms for a 230 Volt – 50 Hz input voltage. Note that the system calibration will eliminate
small errors due to hardware tolerances. Thus, the ratio is not necessarily exactly 100:1.
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Compliance Test System 3.0 User Manual
Figure 3-16: Exacq Scope Test Panel
Of course, you may also use the oscilloscope function of the Exacq Bench to display the time
domain signals. Refer to the appropriate section of this manual to identify all the signals and
channel numbers, but for this example, channel 0 is for voltage, and channels 1,2,3 are the
(parallel) three current signals. In the figure below, channel 0 and 3 are displayed (channel 3 is the
most sensitive current channel). The CTS power source was set to 230 Volt – 50 Hz, and a
resistive load with a dimmer set to approximately 90 degrees firing angle was applied. The
(yellow) current signal was 2.0 Amp rms and the (red) voltage was 230 Volt. The settings for the
scope channels and time base function were adjusted to obtain the display as shown in the figure.
Upon completion of the above tests, you may proceed with installing the CTS software modules
that were supplied with your system.
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User Manual Compliance Test System 3.0
Figure 3-17: NI E Series Explorer Panel
Figure 3-18: Figure 3� � � ��� ��� �� � ��� � �� � � �� �� ��� � � � �
3.8.5 Testing the National Instruments PCI Card
E-Series DAQ Board
CTS 3.0 must be installed first before performing a A/D card testing. After CTS 3.0 is installed,
the PC must be rebooted. The new hardware should be detected automatically at boot by the
Windows™ operating system. Follow the on-screen prompts to finish installation of the A/D card.
Once the PCI A/D card is installed and the PC has been re-booted, you should see a
“Measurement and Automation” icon on the desktop. Double click on it and expand the Devices
and Interfaces tree, you will now see the PCI card you installed as shown in the screen below.
M-Series DAQ Board
Launch Measurement and Automation, select NI-DAQmx Devices, NI PCI-6250: “Dev1”.
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Compliance Test System 3.0 User Manual
Select “Self-Test” and you should get the pop-up message below.
You can run “Test Panels…” to do a further functional check of the CTS hardware, and
interconnect cable between the A/D card and the PACS (CTS signal conditioning unit).
Highlight NI PCI-6250: “Dev1”, select “Test Panels…”, set Channel Name to “Dev1/ai0”, set Mode
to continuous, set Input Configuration to RSE, set Rate(Hz) to 10000.
Make sure the PACS is powered up, and the A/D card cable is properly attached to both the card,
and the PACS. Of course, the power source needs to be operating, and must supply an
appropriate voltage to the measurement system.
Set the power source to 230 Volt – 50 Hz. This voltage is routed to logical channel 0 of the A/D
card, via a differential input amplifier and a 100: 1 attenuation factor in the PACS. The display
should be about 2.30 Volt rms for a 230 Volt – 50 Hz input voltage. (See below picture for detail)
3.8.6 CTS / GPIB Software Setting Conflict
Each time the CTS is run, a function is called to initialize the A/D card. This call, "Init_DA_brds",
actually does more than A/D initialization. It also sends some commands to the instrument with
GPIB address #1 when using a NI GPIB controller. The AC source if used over the IEEE-488 bus
is factory set to address 1. This may cause a problem unless the IEEE-488 address on the power
source is changed to an address other than 1.
The address can be left at 1 on the power source if needed by changing the visaconf.ini file. This
file is typically residing in "c\vxipnp\win95\nivisa" directory. (If not located in this directory, use the
Windows Explorer Find function to locate this file.) This file is not distributed with the CTS
software. It is installed when the National Instruments GPIB software is installed. There is a line
under [GPIB-VXI-CONFIG]: DisableAutoFind=0. The 0 needs to be changed to 1.
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User Manual Compliance Test System 3.0
Figure 3-19: Jumper and DIP switch location on the A/D Card
3.9 Data Acquisition Card Installation – Legacy ISA Card Version
The ISA A/D card is no longer supported by the CTS30 software version 3.0.16 and higher. If you
are upgrading to CTS30 revision 3.0.16 or higher, you MUST upgrade to one of the supported PCI
data acquisition cards. The information in this section is provided for users of older systems only
that have not yet upgraded.
All measurements in the CTS System are performed through a dedicated data acquisition card
that needs to be installed in the host PC. This section provides the necessary installation
procedure for both hardware and software of the ISA version A/D Card.
Note: The ISA card is no longer supplied with new CTS systems as the ISA bus is obsolete. This
information is provided to support existing CTS system installations that were originally
purchased with the ISA bus A/D card.
3.9.1 Unpacking and Handling
The following items are included as part of the ISA CI400AD:
A/D conversion board, 3/4 size ISA card.
37 pin cable, DB37 male to DB37 female connector.
Verify that all components are available. The CTS system will not operate if any of these items is
missing. If any item is missing or visibly damaged, contact California Instruments customer
service department immediately. Refer to page 3 for details on contacting California Instruments.
Retain the original packaging material for the card and its accessories in the event you ever need
to return the ISA CI400AD A/D card to California Instruments.
Keep the ISA CI400AD card in its protective anti-static bag until you are ready to install it in an
available ISA slot of the host PC. This will minimize the chance of damage due to electrostatic
discharge. When you finally do remove the card from the bag, make sure you are wearing a wrist
ground strap and hold the card by its edge to avoid touching any of the components.
3.9.2 ISA A/D Card Configuration
The CI400AD card has two jumpers that must be set in the correct position before the board is
installed in the host PC. Also, the base I/O address of the CI400AD card is set by means of a DIP
switch. This switch must be set to a suitable I/O address that does not conflict with any other I/O
peripherals in the host PC.
The location of the jumpers and the I/O address DIP-switch are shown in Figure 3-19.
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JP11JP13
1 1
Address DIP
Normal Mode
(Factory Setting)
Diff. Mode
JP11
JP11
1
1
4
4
Pin 19 = DAC
Pin 19 = Ground
(Factory Setting)
JP13
JP13
1
1
3
3
Figure 3-20: A/D Card JMP 11 Settings
Figure 3-21: A/D Card JMP 13 Settings
Jumper JP11
Jumper JP11 selects between differential or single ended input channel mode and should be set
to single ended mode for the CTS system. The correct setting is shown in Figure 3-20. Pin 1 and
2 are jumpered together as are pins 3 and 4. This is the setting in which the board is shipped
from the factory and you should not have to change it.
Jumper JP13
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Hex I/O Range
Typically used by
170-177
Fixed disk controller #2
1F0-1F7
Fixed disk controller #1
200-207
Joystick Game Port
238-23C
Bus Mouse
23C-23F
Alternate Bus Mouse
278-27F
Parallel Printer Port (LPT)
2B0-2DF
EGA Display Adapter.
2E0-2E7
GPIB Controller card
2E8-2EF
Serial Port (COM)
2F8-2FF
Serial Port (COM)
300-31F
Prototype Card
320-32F
Hard Disk Controller (PC-XT)
360-36F
Reserved
370-377
Floppy Disk Controller #2
378-37F
Parallel Printer Port (LPT)
380-38F
Serial Data Link Controller
3A0-3AF
Serial Data Link Controller
3B0-3BB
Monochrome Display Adapter
3BC-3BF
Parallel Printer Port (LPT)
3C0-3CF
VGA, EGA Display Adapter
3D0-3DF
CGA Display Adapter
3E8-3EF
Serial Port (COM)
3F0-3F7
Floppy Disk Controller #1
3F8-3FF
Serial Port (COM)
Table 3-2: Reserved PC I/O Address Locations
Jumper JP13 affects the purpose of pin 19 on the 37-pin connector that interfaces to the PACS
unit. For CTS operation, this pin must be analog ground and this jumper must connect pin 2 and
3.
DIP Switch - Base I/O Address
The DIP switch located on the CI400AD sets the base I/O address in the host PC I/O space. The
factory configuration is port address 0x180. In most cases, this port address is available (not
used by other PC peripherals) and no changes to this setting are needed.
If you do have a conflict with another device in your PC, you will have to reconfigure the base I/O
address of the CI400AD. The CI400AD uses 8 contiguous I/O port addresses. Each peripheral
must have a unique I/O address and no overlap can exist. The PC architecture reserves 1024
bytes of I/O space for general purpose I/O boards. However, not all of this space is generally
available. The following table shows a list of commonly used I/O addresses. Use this table to
locate an I/O space that is available in the host PC.
The CI400AD base I/O address is set using the DIP switch. The DIP switch positions 1 through 7
correspond to bits 9 through 3 of the I/O address. This allows a range of 0x100 to 0x3F8 in eight
byte increments. A switch in the ON position signifies the address line is 0 for the bit it represents.
A switch in the OFF position signifies a 1 for the bit it represents. The following figure shows the
bit mapping and the default factory setting of 0x180.
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ON
1 2 3 4 5 6 7
MSB LSB
9 8 7 6 5 4 3 2 1 0BIT:
VALUE:
0 1 1 0 0 0 0 X X X
HEX:
1 8 0
Figure 3-22: A/D Card Base I/O Address DIP
If you need to change the factory default I/O address to a different value to avoid conflicts with
other I/O boards in your PC, you must note down the new address and pass it as a parameter
when setting up the software driver later.
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3.9.3 Installing the ISA A/D Card
After you have configured the jumpers and the DIP switch on the A/D card (if factory defaults are
not usable), you are ready to install the CI400AD in your PC. Following the procedure outlined
below:
1. Disconnect your PC from any main power.
2. If possible, wear a grounded wrist strap to prevent ESD damage to the PC and the A/D Card
and place the PC cabinet on a firm ESD safe working surface.
3. Remove the cover of the PC cabinet following the directions provided by the PC
manufacturer.
4. Locate the PC‟s ISA bus expansion slots. The CI400AD requires a single 16 bit ISA slot.
Note that these slots have two edge connectors.
5. Using a suitable screwdriver (typically Phillips #2), remove the cover plate for the slot you
opted to use in step 4. The CI400AD has its own cover plate so the one you remove may be
saved or discarded at your own discretion. You will need to re-use the screw however, so
make sure you do not loose it.
6. Carefully remove the CI400AD from its protective bag and hold it along the top edge. Take
care not to touch the gold finger edge connectors at the bottom.
7. Insert the card carefully in the selected slot making sure the DB37 connector clears the slot in
the back of the PC. Press down firmly along the top edge of the board to make sure the
board is seated properly in the ISA slot connectors. It may help to rock the board gently or
start from one end of the edge connector.
8. Install the screw you removed in step 5 and secure the CI400AD board to the PC slot by its
cover plate.
9. If you plan to use an IEEE-488 Controller to communicate with the AC Source and have not
installed one in the host PC yet, now would be a good time to do so. Follow the Bus
Controller manufacturer‟s instructions for installation.
10. Replace the PC‟s cover following the directions provided by the PC manufacturer.
This completes the board installation. You are now ready to install the CTS 3.0 Software.
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3.10 CTS 3.0 Software Installation
Once the card drivers have been installed, the CTS 3.0 software can be installed next. This
requires the use of the CTS 3.0 installer program provided on CD ROM CIC632.
To install the CTS 3.0 software, the CD ROM or floppy disk containing the calibration coefficients
must be inserted in the relevant PC's drive first. If either of these disks is not available, the
installation can still be performed but the system may not be in calibration.
The CTS 3.0 system software is supplied on a CD-ROM, P/N CIC632. The CD-ROM contains
compressed files that are needed to operate the CTS system properly. Since these files are in
compressed form, they should not be copied to your PC‟s hard disk since they will not function in
this form. Instead, the setup program that is included on the CD-ROM should be used to install all
the files.
An additional CD ROM is provided containing the system calibration data. Please note that if the
CTS 3.0 is to upgrade an existing CTS system, the calibration CD ROM will not be included as the
system was calibrated before.
For CTS systems supplied with the National Instruments E Series A/D card, the NI-DAQ driver is
provided on a separate CD ROM.
3.10.1 Installing the CTS 3.0 Software Under Windows™
This section covers installation of the CTS 3.0 software under Window™.
To install the CTS 3.0 software, proceed as follows:
1. Insert the CIC632 CD-ROM into your CD-ROM drive and wait a moment for the drive
to recognize the CD.
2. The program should start automatically. If not, select Start->Run… from the
Windows Start menu and type D:\setup.exe, assuming your CD-ROM is the D drive.
3. If this is a PCI A/D card based system, the card and drivers for the card should have
been installed already at this point. If not, go back and do so now.
4. Remove the CIC632 installation CD and replace it with the Calibration Data CD that
came with the CTS system.
5. Select “CTS 3.0 System Software
Installation for PCI A/D Card and click
on the Run Setup button.
6. The program will now copy the
calibration data from the CD ROM to
you PC‟s root directory.
7. You will now be prompted to re-insert
the CIC632 installation CD ROM.
8. Remove the Calibration CD and
replace it with the CIC632 installation
CD. The CI browser may reappear
when you close the CD drive door as
your CD drive may be set to autorun. You can either ignore or close the second
instance of the CI Browser program.
9. Click the OK button to confirm that the CIC632 CD is back in the CD ROM drive. This
will launch the CTS 3.0 installation program.
10. Follow the on screen installation program prompts to complete the CTS 3.0 system
software setup.
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11. Once completed, you can remove the CD-ROM. You may have to reboot the
computer after the software installation. This will be indicated at the end of the
installation program.
12. Before launching the CTS software, run the “DAQ Card Selector” module to choose
the correct A/D card for the CTS. The “DAQ Card Selector” module is located in the
application directory (C:\Program Files\California Instruments\CTS30). You can also
run this module from the program group by selecting “Start”, “All Programs”, “CTS30”,
and then “DAQ Card Selector”. You only have to run this module once to select the
correct A/D card for the system. If you happen to select a wrong card then run the
module again to choose the correct A/D card.
The installation program will create a new entry in the Programs Menu called Compliance Test
System. This menu has several sub-menu entries, one for the main test program and several for
the calibration and configuration programs as well as a few utility programs. We recommend you
keep the calibration disk and CD-ROM in a safe place in case you ever need to re-install the CTS
3.0 software.
Note: To operate the AC source through the IEEE-488 interface, it may be necessary to install the
IEEE-488 controller card drivers on the same PC. Refer to the setup instructions supplied
with the IEEE controller card.
3.10.2 Calibration Data distributed on Floppy Disk
On older CTS systems, the calibration data for each system was distributed on Floppy disk. As
this old medium is rapidly disappearing, CD ROM is used on newer systems.
If the calibration data you received was provided on floppy disk instead of CD ROM, you will have
to copy the following file from this floppy to your hard drive root directory (Usually C:\) using
Windows Explorer:
CTS Calibration.dat
3.11 AC Source Control Software Installation
If the CTS system you purchased contains a California Instruments AC power source, it will have
included additional AC source control software as well. If you purchased a 100-CTS or 300-CTS,
you can skip this section of the manual and proceed to the next chapter.
Note: The AC source control software is not required to perform harmonics and flicker tests. It
is required to perform any of the IEC 61000-4 tests however. This software is supplied
with its own user manual and we recommend you familiarize yourself with this user
manual also when electing to use the AC source control software.
The AC source control software is supplied on either a set of standard 1.44 MB, 3.5 inch floppy
disks or a CD-ROM. The actual software included depends on the AC source model included
with the system. For 1251RP-CTS systems, the PGUI32 program is included. All other CTS
configurations include the CIGui32 or CIGuiSII program.
These distribution disks contain compressed versions of all the programs and files needed to
operate the AC source. Since these files are in compressed form, they should not be copied to
your PC‟s hard disk since they will not function in this form. Instead, the setup program that is
included on this first disk should be used to install all the files.
To install the AC source control software, proceed as follows:
1. Insert the GUI CD-ROM in the PC's CD-ROM drive. If the drive is configured for autoboot, the
CI CD-ROM Browser program should pop up on screen. If not, run the CI_SWCD.EXE
program.
2. In the left window of the CD browser, locate the AC Source series for the AC source supplied
with the CTS system.
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3. Click on the Programs Tab on the right and select Windows 32 bit.
4. Click on the Install button at the bottom center to run the setup program.
5. Follow the on-screen prompts of the installation program.
6. The setup program will now run and display a dialog box that shows the default directory for
the AC source control software that is CIGUI on the current drive. At this time you can accept
the default directory by clicking on the OK button or enter a different directory. If the directory
you enter does not already exist, it will be created.
7. At the end of the installation process, a message will be displayed indicating the installation is
complete.
8. You can now remove the CD-ROM.
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3.12 Upgrading from a CTS 1.X or CTS 2.0 System
If you are upgrading from a prior version of the CTS system, you can take full advantage of the
enhanced capabilities of the CTS 3.0 software while retaining access to your existing revision
software and data files. Since the data formats between CTS 1.X, 2.0 and CTS 3.0 are not
compatible, we recommend you retain your original CTS version program disks and data files.
The CTS 3.0 program installs in different directories and will not replace your existing CTS
software installations.
Since the A/D card is already installed on an existing CTS system, you can proceed to the CTS
3.0 software installation section directly.
Note: Since version 3.0 supports additional data processing requirements dictated by new test
standards, the PC may no longer be fast enough to process all the data in real-time. In that
case, it may be necessary to upgrade the PC as well. For CTS 3.0 to run with the Inter
harmonics per the future EN/ IEC 61000-4-7, a 667 MHz Celeron PC or better is needed for a
single phase system and a 733 MHz Celeron or better is needed for a three phase system.
Note: For three phase CTS systems that use the ISA A/D card, the inter harmonics capability cannot
be supported. An upgrade to the PCI A/D card will be required.
3.12.1 Transferring existing Calibration Data
Before using the new CTS 3.0 software, it is important to transfer the existing CTS 1.X calibration
data to the CTS 3.0 calibration database. This will eliminate the need to recalibrate the system
when upgrading. If the CTS system has not been calibrated in the past 12 months however, it is
recommended to perform a calibration. In that case, there is no need to transfer the existing CTS
1.X calibration data. Also, systems operating with CTS 2.0 will automatically transfer their
calibration data to CTS 3.0.
To transfer the CTS 1.X calibration data, proceed as follows:
1. Run the Configuration program in the Compliance Test System menu.
2. The first time the Configuration program is run and it detects the presence of the cal3c.dat
file in the c:\iec1000 directory, it will automatically read in the data contained in this file and
convert it to the CTS 3.0 calibration database.
3. A message will be displayed to inform the operator that the conversion has been completed.
Select Yes to continue using the Configuration program for display of the calibration data. You
will be presented with a log in screen. If you don‟t have the right password, you can still
continue to view (but not edit) the calibration entries. Select No to close the Configuration
program. There is no user password required when you select No. Once converted, the
existing calibration data is automatically saved.
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Note: The CTS 3.0 system has the added capability of calibrating out any DC component on the
input channels. This capability did not exist in CTS 1.X so no calibration coefficients are
converted for DC offset. The CTS 3.0 will assume a 0 DC offset. If there is any concern
about DC offset, a DC offset calibration can be performed if needed.
3.12.2 Checking Configuration Settings
Once the new software has been installed, it is important to check the configuration settings for
the flicker reference impedance. This can be done by running the Configuration program located
in the Compliance Test System program group.
Start the configuration program. A user name and password entry box will appear. The user
name is used to track changes made to the calibration and configuration data. To check the
settings, no user name or password is needed. Click on the View/Update Calibration information
button to display the current settings.
Check the selection of the System Configuration in the lower right hand corner. Make sure this
selection reflects the actual impedance method used.
If the setting is incorrect, close the configuration screen and re-launch the configuration program.
This time you will have to unlock the settings so you can make the relevant change. Enter your
user name and the following password:
CAL_LOCK followed by the Enter Key.
You can now open the configuration screen again and change the flicker impedance setting to the
correct one.
When done, close the screen to save the new settings.
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MENU
DESCRIPTION
File
Open, close and save test setups and data files. Also allows printing of
test reports
Edit
Used to cut and paste graphs to other Windows programs or edit the
report header text.
View
Allows test setups or a list of all tests performed with the system to be
displayed. A link to the California Instruments' web site is provided on this
menu as well.
Options
Several run-time and replay settings can be controlled from this menu.
Test
Starts a new test, allows replay of a previously recorded test, or display
harmonics information of the most recent test.
Help
On line help and Program information.
SUB MENU
DESCRIPTION
New Test
Clears all data and brings up the test setup screen to start a new harmonics
or flicker test.
Open Data File
Opens a previously recorded data file from disk. The data file can be either
created on this computer or created on another computer.
Open Setup File
Opens a setup file. This allows a new test to be run with the exact same
setup parameters. The setup file can either be created through “Save Test
Setup” menu action or extracted from an existing test data.
4. Program Menus
4.1 About this Chapter
This chapter provides an overview of the CTS 3.0 program menus. You may read this chapter to
familiarize yourself with the menus available in the program for harmonics and flicker testing or
proceed directly to the relevant chapter for the test you want to run and use this chapter only as a
reference.
4.2 Main Menus
Many of the CTS system capabilities are accessible through the menus located at the top of the
main window. These menus are organized in the following groupings. Click on any menu to view
the sub menu items.
Note: When a test is in progress, the menus are not available until after the test is completed.
This prevents the test from being suspended while the user pulls down a menu, which is a
unavoidable Windows issues.
4.3 File Menu
The File menu offers the following sub-menu choices.
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SUB MENU
DESCRIPTION
Save Test Setup
Saves only the setup information in effect. The setup file name depends on
the setup. For example, a steady state Class D test would have a name of
Steady_D.cts_setup.
Save Test Data
Saves all data from the most recent test run. A test must be run first with
data saving enabled. When data saving is enabled, a test will produce a
binary file H-xxxxxx.cts_data (harmonics) or F-xxxxxx.cts_data (Flicker)
where xxxxxx is the test number. Save test data menu action actually make
a copy of that binary file to the specified file name and location.
The file name used will be the same as used for the previous save
operation unless this is the first save after a test run. In that case, the user
will be prompted for a file name.
Save Test Data As
Saves a copy of the most recent test run binary data to a new file name.
The user will be prompted for a name to use.
Report
Generate data needed for a test report and if MS Word is installed on the
PC used, allows producing/viewing/printing a test report in MS Word.
The MS Word version supported is Word 9.0 (Word 2000). Older
versions of MS Word may no longer work when upgrading to the
latest CTS 3.0.XX software version. In that case, a newer version of
MS Word may have to be installed.
Report Preview
Previewing a test report in MS Word. MS Word must be installed on the PC
used.
Print Report
Printing a test report in MS Word. MS Word must be installed on the PC
used.
Exit
Terminates and exits the CTS 3.0 program
SUB MENU
DESCRIPTION
Copy Top Graph
Copies a bitmap image of the top graph displayed to the Windows
Clipboard. From there, it can be pasted into other Windows programs.
Copy Bottom Graph
Copies a bitmap image of the bottom graph displayed to the Windows
Clipboard. From there, it can be pasted into other Windows programs.
Edit Header
The Header is printed at the top of each report page. This sub menu brings
up a dialog box that allows the header to be edited. For testing on behalf of
a third party, this feature allows the test lab name to be printed on each
report page.
4.4 Edit Menu
The Edit menu offers the following sub-menu choices.
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SUB MENU
DESCRIPTION
Test Setup
Brings up a overview of all selected test setting for the current test. This is a
display window only and no fields can be changed in this mode. To change
setup option, close the active test window and select Perform a new Test
from the Test menu.
Test List
Brings up a display grid showing all tests ran to date on the test system PC.
For each test, a time stamp, test type and pass fail result is shown. Any test
for which data was recorded can be played back by selecting it and clicking
on the replay button at the bottom of the screen.
Calibration Info
Displays a summary window of the Card serial number, PACS serial number,
frequency calibration and last calibration date.
SUB MENU
DESCRIPTION
Get a new reference for
each test
For Harmonics tests with a limit set that is a function of the power level or
current of the EUT, a new reference can be established for each test run.
Alternatively, the last used reference can be preserved for subsequent test.
This menu entry toggle between these two available modes.
Generate ASCII Files at
the end of test
When selected, this option causes tab delimited ASCII files to be generated
at the end of the test from the binary data files recorded during the test run.
ASCII files take up more space but can be opened using other application
programs. All the ASCII files will be in the sub directory “ASCII_files”.
Please note that even if this item is not selected, conversion from a binary
test file to ASCII files can also be accomplished using the ASCII converter
program (Convert data to ASCII) supplied as part of the CTS 3.0 program
suite.
Show Banner at the end
of test
When selected, this option causes a large banner (Green when PASS, Red
when FAIL) to appear on the screen of the PC. This banner can be seen
from across the room to notify a lab operator that the test run has been
completed.
Recall Type
Valid for data replay only. This option offers four choices for playback of
data. Data is stored in acquisition windows or buffers. For Harmonics,
acquisition windows are either 10, 12 or 16 cycles. For Flicker, acquisition
windows are 1 second. Available recall choices are:
Every Window:
Every acquisition window is shown
Every
failed/distorted
Window
Only acquisition windows with current failure or
distorted source are shown.
Every Failed Source
Window
Only acquisition windows with high AC source
distortion are shown.
Every Failed Current
Window
Only acquisition windows with current failure are
shown.
4.5 View Menu
The View menu offers the following sub-menu choices.
4.6 Options Menu
The Options menu offers the following sub-menu choices.
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SUB MENU
DESCRIPTION
Recall Size
Amount of acquisition buffers or windows to be loaded from disk to memory
during playback. The more windows are loaded, the further the user can
back up in the data stream during playback. Thus, when selecting 100
buffers, the replay can be stopped and reversed up to 100 buffers.
The recall size ranges from 0 to 1000 buffers.
Replay Delay
Selects the time to wait between display data buffers during replay mode.
On a fast PC, it may be useful to increase this time or the replay will run by
too fast to see anything meaningful.
Available delay times between buffers are 0.0 seconds for the fastest speed
to 5.0 seconds for the slowest speed.
Display Rate
This setting determines how many buffers are skipped for display purposes.
While all data buffers are read from disk, only the selected buffer interval set
here is displayed in the graphs.
Available rates range from Every Acquisition to All the way to the End. The
last setting means the data is read from disk all at once and only the last
buffer is displayed at the end of replay. The user can then back up (recall)
using the VCR style keys in the lower left corner of the screen.
SUB MENU
DESCRIPTION
Perform a new test
Clears the existing test data from memory and brings up the test setup
screen for both Harmonics and Flicker test.
Replay an existing test
Brings up the list of tests that can be replayed.
Select a test setup from
Test List
Allows test setup information from any test in the test list to be copied to a
new test setup.
Edit/View Fixed
references
Allows editing of power level or current for test limits that are a function of
EUT power and or EUT current. See Get new reference entry under Options
menu.
Current Harmonics
Displays a table with current harmonics data of the most recent test.
Voltage Harmonics
Displays a table with voltage harmonics data of the most recent test.
Parameters Data
Displays a table with parameters of the most recent test.
4.7 Test Menu
The Test menu offers the following sub-menu choices.
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User Manual Compliance Test System 3.0
5. Harmonics Testing
5.1 About This Chapter
This chapters covers testing a device for compliance with the IEC 61000-3-2 Harmonics standard.
A review of the possible EUT classes is provided to assist the user in determining the appropriate
device class to use. Once the device class has been established, the appropriate test module is
used to perform the tests.
5.2 Test Standard Selection
Before running any Harmonics test, you must decide if you want to test to the old harmonics
standard (IEC 61000-3-2:1998, includes Amendments 1 and 2) or the new one. (IEC 61000-32:2000, Amendment 14). Both may be used up to January 2004 after which time only the new
standard should be used. The standard selection is made in the lower right hand corner of the
setup screen. Once selected, some options may be grayed out. For example, the new test
standard only considers transitory harmonics so the quasi-stationary selection is disabled. Note
that the acquisition window over which the evaluation of current harmonics is made differs under
both standards. Per the IEC 61000-4-7 referenced in Amendment 14, which replaces the Annex B
of the 1998 standard, the evaluation window for Amendment 14 is 10 cycles at 50 Hz or 12 cycles
at 60 Hz. The 1998 standard is based on an evaluation window of 16 cycles for 50 Hz. (same 16
cycles is used when the frequency is set to 60 Hz). Selecting the desired test standard
automatically configures the CTS for the correct acquisition window.
5.3 Device Classes
The IEC 61000-3-2 categorizes products in one of four product classes. Using the correct class is
important as the harmonic current limits for each class are different. Choosing the wrong class
can mean rejecting a product that otherwise would have passed (False Negative) or passing a
product that normally would have failed (False Positive). Either outcome is undesirable.
The following device classes are defined:
Class A All motor driven equipment, most “domestic” appliances and virtually all 3
Class B All portable electric tools.
Class C All lighting products, including dimmers, with an active input power above
Class D Products having a power range from 75 to 600 Watts AND a current
phase equipment (<16 A rms per phase).
25 Watts.
waveform that has a special wave shape. For testing to IEC 61000-32:2000, Amendement 14, the special waveshape does not apply and only
TV's PC's and PC Monitors with power levels between 75 and 600 W are
considered class D. All other products are class A.
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Compliance Test System 3.0 User Manual
½
0.35
0
0
1
i
i
pk
M
3 3 3
Figure 5-1: Class D Current Wave Shape
Template
5.3.1 Class D Special Current Waveshape
If you elected to test to the IEC 61000-3-2:1998
standard, a unit is considered to be class D
equipment if it meets the power consumption
limits listed above and its current waveform
matches at least 95 % of a specified wave
shape template. This template is aimed at
„capturing‟ high crest factor loads that are known
to generate high harmonic currents. The wave
shape template consists of three time domain
sections, one for each 1/3 period of the signal
during a positive or negative half-cycle of the
input voltage. The center section is normalized
to, and centered around the peak current value.
The other two sections have a 0.35 times Ipeak
amplitude limit. The actual template is shown in
Figure 5-1.
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User Manual Compliance Test System 3.0
Balanced
Three Phase
Equipment?
Portable
Power
Tool?
Lighting
Equipment?
P<600W
& special
waveshape
CLASS B
CLASS C
Yes
Yes
No
No
No
Motor
Driven?
No
CLASS DCLASS A
NoYes
Yes
Start here
Yes
Figure 5-2: EUT Class Determination Flowchart
The exact IEC 61000-3-2:1998 standard text is
as follows:
“..equipment�shall�be�deemed�to�be�Class�D�if,�under�
the test conditions given in Annex C, the input current
waveshape of each half period - referred to its peak
value ipk - is within the envelope shown in the following
figure for at least 95 % of the duration of each half
period; this implies that waveforms having small peaks
outside the envelope are considered to fall within the
envelope. The center line M, coincides with the peak
value�of�the�input�current.”
A device that does not meet these class D
requirements defaults to a class A device and
should be tested against the class A limits.
The flowchart shown in Figure 5-2 can be used to
determine the class of the device to be tested.
When selecting IEC 61000-3-2:1998 mode with a
Class D device, the CTS Software will display the
current waveshape and the special waveform
template. The percentage that fails within the
template is displayed as well. If the waveform is
not class D, the user will be given an indication.
The test can still be run however. In Class A
testing, the special waveform check is also
performed to prevent a “False Positive”.
If the CTS software indicates that the current waveform does not meet the Class D requirements,
the user should switch to Class A instead.
5.3.2 Dynamic Class C and D Limits
Harmonic current limits for Class D are a function of the EUT power level. This poses an
interesting problem, especially if the device has a fluctuating power draw pattern. This means the
test limits change with the power consumption of the EUT. While there is some discussion in the
IEC community regarding the practicality of using such dynamic test limits, the CTS software is
fast enough to dynamically recalculate the test limits applied to the current harmonics for each
acquisition window of 16 signal periods. As such, the CTS system fully implements the IEC
standard with respect to class D.
The same issue applies to the third harmonic limit for Class C products, which is a function of the
fundamental current and power factor ( ). The CTS software determines the fundamental current
and power factor of the load for each acquisition window and dynamically determines the correct
3rd harmonic current limit for Class C devices.
If you select to test to Amendment 14, you will have to enter the manufacturer rated power for
Class D (TV's, PC's and PC Monitors) or the fundamental current and power factor for Class C
(lighting products) instead. The rated values will be used to calculate the Class C and D limits as
long as the actual measured values do not differ from the rated values by more than 10 % during
the test.
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5.4 Stationary or Transitory Harmonics Test
The older IEC 61000-3-2:1998 standard distinguished between two types of tests, stationary for
equipment that exhibits constant power consumption and transitory for equipment that exhibits
fluctuating power consumption patterns.
Under the revised 2004 test standards, all tests are done by evaluating transitory harmonics so
this selection is not longer relevant. Evaluation of current harmonics is always done using the
transitory method so no user selection is provided. See section 2.3.3 for details on selecting the
correct test time.
It should be noted that the user must ensure that the total test time applied is sufficient to cover a
complete operating cycle of the EUT. Many devices are stationary in nature but notable
exceptions exist. For example, a laser printer that periodically draws higher currents to heat the
fuser may exhibit fluctuating harmonics and may require a test time that is sufficiently long to
cover such an event. The same applies to microwave cookers and washing machines.
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User Manual Compliance Test System 3.0
Figure 5-3: Typical Class A test setup
5.5 Running a Harmonics Test
Starting the CTS 3.0 main program brings up the test setup screen. This CTS 3.0 main program
window automatically sizes to a SVGA display resolution of 800 x 600 pixels. Larger screen
resolutions are supported but the controls on the main window will not size to any resolution above
800 x 600.
For correct harmonics and flicker measurement operation, please note the following setup
guidelines:
1. Make sure that the PACS and PC are operated from the same supply line.
2. Make sure that the power source is operated from the same basic supply circuit as the
PC and PACS unit.
A harmonics test is always started by setting the desired type and EUT class. Other settings
involve the desired nominal voltage and frequency and test window size. The figure below shows
the typical settings for a class A test.
Please note the six fields at the bottom of the set up screen are grouped as Default user input.
The values you entered in these fields are not necessarily for the particular test you are about to
perform. When you click OK, you will be presented with a measurement screen where you can
enter similar information that is specific for the test. The Default User Input here is intended to
facilitate the situations where a group of tests are to be performed where the information in
Default User Input are applicable to all the tests in the group.
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Compliance Test System 3.0 User Manual
Field
Description / Purpose
Test Type
Select between Harmonics and Flicker test. If you select Harmonics test, you can
also enable or disable inter harmonics evaluation. With the pending new revision of
IEC 61000-4-7, current inter-harmonics have to be evaluation in addition to the
harmonics.
Frequency
Choose 50 Hz or 60 Hz. This choice will be used to program the AC source output
frequency. If no AC source is available or the AC source control option has not been
selected, the measured frequency is checked against the user setting and an error
message is generated if a discrepancy is detected. For IEC compliance testing, 50
Hz should be selected.
Test Class
Select the appropriate test class for the equipment under test. See paragraph 2.4.1
for test class selection.
Voltage
Select the correct line voltage. Default choices are 115 and 230 V RMS Line to
neutral. A user-defined value may be entered by selecting the "Other" option. This
setting is used to program the AC power source output voltage. If no AC source is
available or the AC source control setting in the advanced setup screen has not been
selected, the operator is responsible for ensuring the correct line voltage is applied to
the EUT.
Load
Selects single or three phase mode. On single-phase CTS systems, the three phase
selection is not available. For three-phase CTS systems, a wye connection to the
PACS-3 must be used.
Test Limit
The CTS 3.0 retains a database of harmonic current test limits. This setting selects
the limit set to use. Available options are European and Japanese. For normal IEC
testing, the European option should be selected.
IEC Standards
This option may be used to select the inclusion of Amendment 14 which includes the
evaluation of inter harmonics. Harmonics are always evaluated over 10 periods at 50
Hz and 12 periods at 60 Hz for a 200 msec at either line frequency.
EUT
This field may be used to enter information about the equipment under test. This field
is used to hold a default value.
Tested by
This field may be used to enter operator information. This field is used to hold a
default value.
Comment
Comment field for general use. This field is used to hold a default value.
Customer
If the test is performed on behalf of a third party, information about the entity for which
the test is performed may be entered here. This field is used to hold a default value.
Test Margin
Determines at what scale factor the harmonic test limits will be applied. For most
situations, this value should be set to 100 %. If testing is done for pre-compliance,
setting a lower margin will provide an extra margin of safety against system
tolerances of different test systems. This field is used to hold a default value.
Test Duration
Enter the total test time. For Steady State Harmonics, the default test time is 1.0
minute. For Transitory Harmonics, the default test time is 2.5 minutes. For flicker
tests, the default time is 10 minutes. Maximum test time is 1440 minutes or 24 hours.
This field is used to hold a default value.
Table 5-1 : IEC Harmonics Setup Parameters
Note: If both the CTS 3.0 program and the CIGui32 or CIGuiSII are configured to use the same
Com port or IEEE-488 bus controller to control the AC source, it is important that both
programs not be active at the same time. Having both programs open at the same time
could cause an interface conflict.
The following checklist shows all available setup options for a Harmonics test.
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User Manual Compliance Test System 3.0
Setting
Description
Pre test time
This is the time during which to apply power to the EUT before staring the
harmonics measurements. This capability may be used to skip any startup
behavior of the EUT that may affect the outcome of the test. High EUT inrush
currents that exceed the AC Source's maximum peak current capability can result
in high voltage distortion. This would invalidate the test. The Pre-test time
setting can be used to hold off measurements until after the EUT has reached a
steady state condition.
Source Control
The CTS system is normally supplied with a suitable AC power source to provide
stable and low distortion AC power to the EUT. The Source Control section of
the additional setup dialog is used to configure the CTS system for the AC
Source used. Available options are:
Use the AC source
from its front panel
only
This option may be needed if the AC Line is used or the
AC source used does not offer remote control capabilities.
This way of operating puts more responsibility on the
operator to ensure the correct power is applied during the
test.
RS232C control
Used with AC Sources that have RS232C control
capability. The Verify Source must be used to make sure
the AC Source can be found. The AC source must be
connected using the serial cable provided and must be
powered up. The View Bus button may be used to bring
up the command trace for trouble shooting purposes if the
presence of source cannot be verified. When using
remote control, the user can select to have the front panel
locked or not by setting the Disable checkbox.
Note that support for the Pacific Power Source AMX with 1UP or -3UP controllers is provided as well.
Figure 5-4: Additonal Settings for Harmonics Test
5.6 Additional Setup Parameters for Harmonics
If this is first time using the CTS 3.0 system, it may be necessary to check the Additional Setup
settings. These settings can be displayed by clicking on the "Additional Setup" button on the right
hand side of the main setup window.
The following settings are available from this dialog window:
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Compliance Test System 3.0 User Manual
Setting
Description
IEEE-488 control
This selection requires the presence of a National
Instruments IEEE-488 controller card or compatible card in
the PC. This interface is not supplied as part of the CTS
system but may be added as an option. The Verify Source
must be used to make sure the AC Source can be found.
The AC source must be powered up. The View Bus button
may be used to bring up the command trace for trouble
shooting purposes if the presence of source cannot be
verified. When using remote control, the user can select
to have the front panel locked or not by setting the Disable
checkbox.
Note that support for the Pacific Power Source AMX with 1UP or -3UP controllers is provided as well.
Test Data
Test data for each test can be saved to disk for later replay or report generation.
If this option is not selected, the test cannot be replayed later or printed. For
most situations, it is recommended to save the test data. For debugging
sessions, it may be acceptable to turn off this option to preserve disk space.
Class C and D Test
Limits
Test limits for class C and D are not fixed but rather depend on the EUT power
level and or power factor. The CTS 3.0 uses the generally accepted dynamic test
limit calculation method to determine the correct limits for each acquisition
window.
Using the settings in this frame however, the operator may override this
implementation and set a fixed limit for Class D and C. The time for which to
acquire power and or power factor data from the EUT can be set in the Duration
field in seconds. For three-phase mode, the power can be averaged over all
three phases.
Sample and Hold
This option allows CTS systems with and without sample and hold circuitry to be
used. In the absence of a S/H circuit, the CTS 3.0 software will perform phase
correction between voltage and current channels.
Time filter duration
for transitory
harmonics filtering.
This value should be set for 1.5 seconds to comply with the IEC 61000-3-2
standard. Future standard changes may require this value to be changed.
Table 5-2 : IEC Harmonics Advanced Setup Parameters
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User Manual Compliance Test System 3.0
Field / Control
Location
Description
Start button
Upper left
corner
Starts harmonics test using presently selected parameters. Once a test
is running, parameters cannot be changed. Starting a test also causes
data to be written to the test data file if data recorded is enabled. Each
time a test is run, a new sequential 'Test Number' is assigned. Results
for each test are automatically logged. Data for each test is only
recorded if this option is selected in the Additional Setup screen.
Once a test is running, the Start button changes to a Stop button. Also,
any menus will be disabled while a test is in progress as pulling down a
menu under Windows will cause the application to halt which would
result in data loss.
Stop button
Upper left
corner
Stop the acquisition process. The Stop button can be used to abort a
test prematurely. The data files will be closed and will only contain data
up to the point at which the test was aborted. Test log will indicate if the
test completed normally or was aborted by the user.
Report button
Upper left
corner
The Print Summary button generates a test report in an MS Word doc
file. This report contains both the voltage and current waveform and the
harmonics display graph. It also includes the current and voltage
harmonics in absolute values and as a percentage of the applied IEC
limits.
Power
Buttons
Upper left
corner
These button controls may be used to turn the AC power source output
on or off. The configuration can be set to use automatic power on/off,
automatic on / manual off or manual on and off control of the AC
Figure 5-5: Harmonics Test Window
5.7 Main Harmonics Test Window Operation
Upon closing the Main setup window, the harmonics test window will appear. Tests are executed from
this window and test results are displayed in real-time. This main harmonics test window has a limited
number of controls, the function of which are explained in the table below.
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Compliance Test System 3.0 User Manual
Field / Control
Location
Description
source. If no AC source control option is selected, the operator has to
use the front panel of the AC source instead and this button will not be
available. In manual mode, the operator must click on the Power On
button to turn on power to the EUT.
WINDOW
DATA
The data in the Window Data frame on the left side of the main
harmonics screen applies to successive acquisition buffers. Acquisition
buffers are 320 ms for 50 Hz EUT‟s and 266.67 ms for 60 Hz EUT‟s if
the 16 Cycle window size is selected. If the 10/12 cycle window size is
selected, the buffer size is 200 msec.
Frequency - Hz
Left panel
Displays the AC signal frequency in Hz. If the frequency is not 50 or 60
HZ, “F???” will appear in the field of VTHD and Source Qual. The test
will continue however but the results may not be valid.
Voltage - RMS
Left panel
Displays the Root Mean Square voltage of the AC source output for
each acquisition buffer.
Current - RMS
Left panel
Displays the Root Mean Square current to the EUT for each acquisition
window.
I peak
Left panel
Displays the peak current value of the EUT current. If the EUT
produces no harmonic currents, the peak current is 2 times the RMS
current.
I Fund
Left panel
Displays the value of the fundamental current of the EUT for each
acquisition window. The fundamental current is the current at 50 Hz or
60 Hz only, without any contributions from higher order harmonic
currents. If the EUT produces no harmonic currents, the fundamental
current will be the same as the rms current.
Crest Factor
Left panel
Displays the crest factor of the EUT current. Crest factor is the ratio
between the peak current and the RMS current.
VA Power
Left panel
Displays the apparent power consumption of the EUT for each
acquisition window.
Power - Watts
Left panel
Displays the real power consumption of the EUT for each acquisition
window.
Power Factor
Left panel
Displays the ratio between real power and VA power of the EUT for
each acquisition window.
Window Result
Left panel
Indicates if the present acquisition buffer current harmonics exceed the
selected EUT current limits. If one or more acquisition buffers report a
failure, the overall test result will fail. This field will typically toggle
between good and fail during the test run.
VTHD
Left panel
Indicates if the present acquisition buffer has a voltage distortion that
exceeds the IEC limit.
Test Number
Bottom Left
Each test run is assigned a sequential test number. The number for
the current test is displayed in this field. This allows individual test
results to be tracked.
Test Result
Bottom Left
This field provides a visual indication of the test result. A Green field
with Pass indicates the EUT current harmonics are below the limit, a
Red field with Fail indicates the EUT current harmonics are above the
limit. Note that the condition of this field is affected by the user selected
test margin. To use the actual IEC test limits, the test margin should be
set to 100 %. This field depends on the “Window results” of all the
windows up to this test time and if any “Window result” is failed during
a test, Test result will be “Fail”. In other words, this field is “Fail”
latching.
Source
Qualification
Bottom Left
This field displays overall AC Source voltage distortion status for the
test so far. At the end of the test, this field indicates if the AC Source
failed the voltage distortion test at any time during the test.
The VTHD indication is given to notify the user of a possible problem
with the AC source voltage distortion, which may invalidate the test
results. The test will not be aborted however if the voltage distortion is
too high.
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Field / Control
Location
Description
Start Time
Bottom Left
This field always shows the start time of the test in progress. The test
duration is shown in the bottom panel. See also the “% of test
completed” indication and the progress bar below the Start Time field.
% of test
completed
Left panel
During test execution, this field displays the percentage of the test that
has been completed. Once this number reaches 100 %, the test will
terminate normally. If the user clicks on the Stop button instead, it will
display the point at which the test was aborted.
Test Margin
Bottom
The test margin can be set by the user if a pre-compliance test is
needed and the user wants to set more stringent limits. The test margin
number defaults to 100 % to use the exact IEC limits. A lower
percentage will means the EUT has to pass lower test limits (more
stringent). The value of this field ranges from 50 % to 150 %.
Note that the limit lines in the Graph always display the 100 % IEC
limits. The test margin is only used for Pass or Fail determination.
Test Duration
Bottom
The test duration is the total test time selected by the user. This value
can be set from 0 to 1440 minutes (24 hours). This value should be set
before starting the test as it cannot be changed while a test is in
progress. If the duration is 0 minutes, then only one window will be
acquired.
EUT
Bottom
This field can be used to enter information about the unit under test.
The EUT field contents will be included in the test data file and in any
reports that are printed.
Comments
Bottom
This field can be used to enter any information about the test. The
Comments field contents will be included in the test data file and in any
reports that are printed.
Tested by
Bottom
This field can be used to enter information about the operator. The
“Tested by” field contents will be included in the test data file and in any
reports that are printed.
Customer
This field can be used to enter information on a customer if you are
running tests for a third party. The “Customer” field contents will be
included in the test data file and in any reports that are printed.
Voltage and
Current Graph
Top right
panel
This graph displays the AC voltage and current waveforms. At all times,
two periods of the AC signal are displayed. The voltage is shown in
yellow, the current in green. For Class D tests, the special waveshape
template is displayed in the same graph using red. The percentage of
the EUT current outside the template is shown directly below the graph.
Harmonics
Graph
Bottom
right panel
The Harmonics graph panel can be used to display the current
harmonics (green) and test limits (red) during the test. It is also
possible to toggle this display to show the AC voltage harmonics. The
drop down control located at the top of the Harmonics graph panel can
be used to select alternate display modes.
Legend buttons
Graph
panels
The Legend buttons can be used to display a pop-up window that
shows the color coding used in each graph.
5.7.1 Entering User and/or Customer Data
Prior to running a test, you should enter information concerning the EUT, the person or
department performing the test and any other information that may be relevant to interpreting or
using the test results obtained from the CTS system. Several fields are provided for this purpose
along the bottom of the main test window. If the test is performed on behalf of a third party, the
customer data field may be used to document the customer name.
The information entered in these fields is added to the test data file and any reports that are
printed. The date and time of the test run are automatically added based on the PC‟s real-time
clock.
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5.7.2 Selecting the Test Period
The test period should be set appropriately for the test mode selected and the EUT at hand. For
details on setting the correct harmonics test time, refer to paragraph Error! Reference source
not found. for IEC 61000-3-2:1998 mode or paragraph 2.3.3 for IEC 61000-3-2:2000 mode. For
flicker tests, the default is 10 minutes. You can increase the test time up to 24 hours if needed.
5.7.3 Setting the Test Margin
The CTS system offers the user the choice of setting a test margin around the IEC limits. This
means a user specified factor can be applied to the IEC test limits. The default value used is 100
% which essentially means the actual IEC limits are applied to determine a pass or fail result. This
is the mode to use for actual compliance testing.
Setting this margin to a value below 100 % can be useful for pre-compliance testing. Selecting a
lower margin means the test is more stringent. If the EUT can pass the more stringent test, it is
more than likely to pass when submitted to an independent test lab. Setting the margin above
100 % means you are “loosening” the limits allowing EUT‟s to pass that would normally fail. This
mode is not recommended.
5.8 Running the Harmonics Test
Before starting a test, make sure all user fields are set correctly. Changes to these fields are no
longer possible once a test is in progress. Also make sure the EUT is connected to the AC output
of the PACS unit and the correct AC line voltage is programmed on the AC source.
A test run is started by clicking on the Start button. During test execution, the “% of test
completed” field on the left of the main window displays the percentage of the test that has been
completed. Once this number reaches 100 %, the test will terminate normally. If you click on the
Stop button instead, it will display the point at which the test was aborted.
During the test execution, the CTS 3.0 software will continuously evaluate the EUT current
harmonics against the appropriate class limits. The Pass or Fail indication is updated in real-time.
If the test fails early in a long test period, you may elect to abort the test prematurely rather than
waiting till the end.
5.8.1 Voltage and Current Waveform Graphs
The top graph continuously displays two signal periods of the AC voltage (yellow) and current
(green) waveforms. For Classes A and D tests, it also shows the special current wave shape
template in red. Alternate display modes can be selected from the drop down combo at the top of
the graph.
5.8.2 Voltage and Current Harmonics Graphs
The bottom graph serves a dual purpose. During the test run, it can be used to show either the
current or the voltage harmonics. In either mode, the IEC test limits are displayed using a red line
for the current harmonic limits and a green line for the voltage harmonic limits.
Note: The voltage harmonic limits apply to the AC source qualification and may indicate that the
current harmonics are affected due to excessive AC voltage distortion. In this case, a red
Source Qual. label is shown on the left hand side of the main window.
When displaying the current harmonics, the actual harmonic currents from the second through the
fortieth for each acquisition window are shown in green. The IEC test limits are shown using a red
line. Note that this red line always displays the 100 % IEC test limits during Steady State testing,
regardless of the user specified test margin which is used for the Pass or Fail determination. (see
"Setting the Test Margin" , found in paragraph Error! Reference source not found.).
Note: The fundamental current is not shown in the harmonics graphs as there is no test limit for
the fundamental.
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5.8.3 Aborting a Test
Tests in progress can be aborted at any time by clicking on the Stop button. Aborted test data files
will be marked as incomplete.
5.9 Printing Results
The Report button allows you to print both on-screen graphs displays and current and voltage
harmonics test result data to an MS Word document. This provides a test report that displays the
test setup, the Pass or Fail result and a graph of the voltage and current waveform as well as the
worst case values for each of the current harmonics. The Report button is available at the end of
a test run or any time a test is aborted with the Stop button.
Note: The MS Word version supported is Word 9.0 (Word 2000). Older versions of MS Word
may no longer work when upgrading to the latest CTS 3.0.XX software version. In that case, a
newer version of MS Word may have to be installed.
5.10 Harmonics Test Data Files
The CTS 3.0 Software can be configured to log test data to a file. The file format used is
proprietary but can be converted at the end of the test to an ASCII text file with tab delimited fields
for voltage, current, power, peak current and all the current harmonics. This data is recorded in
real-time or three to four times a second.
Longer test times will result in larger test data files and reports. If you increase the test time, make
sure you have sufficient hard disk space available to accommodate these long test files. The rate
at which data is written to disk can be decreased to avoid excessive file sizes. The point at which
the program will reduce the rate of data storage can be set in the configuration. Should a test
failure occur while the CTS 3.0 program is in this reduced data rate recording mode, full rate data
recording resumes for a specified number of acquisition buffers. This always provides detailed
information around the time of the failure. These recording rate settings can be set in the
miscellaneous section of the configuration program.
5.11 Three Phase Testing
Three phase testing is similar to single phase testing described above except that three line
voltages and three line currents are being measured simultaneously and displayed in the CTS 3.0
software GUI.
The three phase mode screens are virtually identical in function and form to the single-phase
screens. The user can view one phase at a time, or all three phases simultaneously.
5.12 Replay Mode
The CTS 3.0 Software can be used to replay previously recorded test data. This replay can be
done on the same test system that was used to record the original data or on an altogether
different PC.
In order to replay a test, the data acquired during the test needs to be saved to a CTS native data
file. If the save data option is not enabled in the additional setup window for Harmonics, there is
no way to replay a test later. The Pass or Fail result of any run on the actual test system PC is
always logged however. If a different PC is used to play back data, the data files have to be
transferred to this PC first. The test data files are stored in the following directory:
C:\Program Files\California Instruments\CTS\Data_files
5.12.1 To play back test on the actual test system PC, proceed as follows:
1. From the Test Menu, select 'Replay an existing test'. This will bring up a table showing all
tests ever run on this system.
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Menu Item
Description
Recall Type
This option offers four choices for playback of data. Data is stored in acquisition
windows or buffers. For Harmonics, acquisition windows are either 10, 12 or 16
cycles. For Flicker, acquisition windows are 1 second each. Available recall
choices are:
Every Window:
Every acquisition window is shown
2. Select the test you want to replay by clicking on its row. If data for this test was stored and is
available, the Replay Test button at the bottom will be enabled.
3. Click on the Replay Test button to start the replay process. This will bring up a standard
Harmonics or Flicker test screen.
4. To start the replay process, click on the Start button. The data displayed will be taken from
the stored data files. The replay mode is indicated in the lower right corner on the status bar.
5. The buffer rate and speed at which data is replayed can be controlled using the various
settings in the Options menu. This may be required to adjust to the speed of the PC used.
6. The replay process can be halted at any time by clicking on the Stop button. This will stop the
data at the buffer number shown in the lower left corner.
7. Once stopped, the data can be stepped forward or backward at various rates using the VCR
style buttons in the lower left corner.
8. A test report can be printed from stored data in this mode. The actual date and time the data
was recorded will be shown on the report in addition the report print date and time.
5.12.2 To play back test on a different PC from the test system PC, proceed as follows:
1. If not already done, install a copy of the CTS 3.0 software on the other PC. When launched,
the absence of a data acquisition system will be detected and flagged. This is normal.
2. Transfer the data files to the PC used for replay, either using a network connection or disk.
3. From the File menu, select the Open Data File entry, This brings up the standard file open
dialog box.
4. Locate and select the file to be replayed. Harmonics files start with the letter H, flicker files
start with the letter F.
5. Click on the Open button to open the test data file. This will bring up the test window.
6. To start the replay process, click on the Start button. The data displayed will be taken from
the stored data files. The replay mode is indicated in the title of the CTS software.
7. The buffer rate and speed at which data is replayed can be controlled using the various
settings in the Options menu. This may be required to adjust to the speed of the PC used.
8. The replay process can be halted at any time by clicking on the Stop button. This will stop the
data at the buffer number shown in the lower left corner.
9. Once stopped, the data can be stepped forward or backward at various rates using the VCR
style buttons in the lower left corner.
10. A test report can be printed from stored data in this mode. The actual date and time the data
was recorded will be shown on the report in addition the report print date and time.
5.12.3 Harmonics Replay Options
Data replay capability is an important diagnostic feature of the CTS 3.0 system. The end user has
a great deal of control over the replay process. These user settings are located in the Options
menu. The following options are available to control the replay process:
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Menu Item
Description
Every failed/distorted
Window
Only acquisition windows with one or more failures are
shown.
Every Failed Source
Window
Only acquisition windows with high AC source
distortion are shown.
Every Failed Current
Window
Only
Recall Size
Amount of acquisition buffers or windows to be loaded from disk to memory during
playback. The more windows are loaded, the further the user can back up in the
data stream during playback. Thus, when selecting 100 buffers, the replay can be
stopped and reversed up to 100 buffers.
The recall size ranges from 0 to 1000 buffers.
Replay Delay
Selects the time to wait between display data buffers during replay mode. On a
fast PC, it may be useful to increase this time or the replay will run by too fast to
see anything meaningful.
Available delay times between buffers are 0.0 seconds for the fastest speed to 5.0
seconds for the slowest speed. During delay, you can click on the pause button to
pause.
Display Rate
This setting determines how many buffers are skipped for display purposes. While
all data buffers are read from disk, only the selected buffer interval set here is
displayed in the graphs.
Available rates range from Every Acquisition to All the way to the End. The last
setting means the data is read from disk all at once and the last buffer is displayed
right away. The user can then back up using the VCR style keys in the lower left
corner of the screen.
Table 5-3 : IEC Harmonics Replay Settings
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Mode
Description
Test all Flicker parameters
This is the default test mode and should be used if you are
unsure about the typical operating cycle of the unit under
test.
Test dc, dt, dmax and Pst only
This mode only tests for compliance to the dc and dt
specifications.
Test dc, dt and dmax only
This mode only tests for short-term flicker. It can be used to
test equipment that has operating cycles less than 2 hours.
Several levels of dmax may be permissible depending on
the EUT. The selection criteria are as follows:
The maximum relative voltage change d max , shall not
exceed
a) 4 % without additional conditions;
b) 6 % for equipment which is
– switched manually, or
– switched automatically more frequently than twice per
day, and also has either a delayed restart (the delay being
not less than a few tens of seconds), or manual restart,
6. Flicker Testing
6.1 About This Chapter
This chapter covers testing a device for compliance with the IEC 61000-3-3 Flicker standard. The
relevant IEC Flicker test part is described in detail.
6.2 Principle of Operation
The CTS Flicker software acquires, stores, processes and analyzes the EUT data in real-time and
provides continuous display updates on all Flicker parameters. Voltage time domain data is
collected, the rms voltage value is calculated for each half period of the signal or every 10
mseconds, and the measurement data is written to disk for 100 consecutive acquisition periods or
once every second.
This allows the operator to monitor the progress of the flicker test and, should a failure occur
before the end of the test run, abort the test if needed. Since flicker test can run for several hours,
this will avoid needless waiting for tests to finish on a EUT that already failed the IEC
requirements.
In order to run the real-time Flicker test, you need a 2.0 GHz Pentium PC or better. This is caused
by the amount of data that needs to be processed to perform flicker evaluation. Slower PC‟s will
not be able to process the data in real-time.
6.3 Flicker Test Options
The CTS Flicker test mode supports several test modes. These modes allow the user to select
the flicker parameters that shall be used to determine a PASS or FAIL result. Some types of EUT
may not need to be evaluated for Plt since they are unlikely to cause long-term flicker. This is
largely a function of the operating cycle of the equipment being evaluated. Consult Annex A of the
IEC 61000-3-3 test standard to determine which test option is most appropriate for the EUT under
evaluation. The following options are available
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Mode
Description
after a power supply interruption.
NOTE: The cycling frequency will be further limited by the
Pst and Plt limit. For example: a dmax of 6 % producing a
rectangular voltage change characteristic twice per hour will
give a Plt of about 0,65.
c) 7 % for equipment which is
– attended whilst in use (for example: hair dryers, vacuum
cleaners, kitchen equipment such as mixers, garden
equipment such as lawn mowers, portable tools such as
electric drills), or
– switched on automatically, or is intended to be switched
on manually, no more than twice per day, and also has
either a delayed restart (the delay being not less than a few
tens of seconds) or manual restart, after a power supply
interruption.
In the case of equipment having several separately
controlled circuits in accordance with 6.6, limits b) and c)
shall apply only if there is delayed or manual restart after a
power supply interruption; for all equipment with automatic
switching which is energized immediately on restoration of
supply after a power supply interruption, limits a) shall
apply; for all equipment with manual switching, limits b) or
c) shall apply depending on the rate of switching.
Inrush Current and Dmax Test
It may be necessary to determine, by examination of the
circuit diagram and specification of the equipment and by a
short functional test, whether significant voltage fluctuations
are likely to be produced. For voltage changes caused by
manual switching, equipment is deemed to comply without
further testing if the maximum r.m.s. input current (including
inrush current) evaluated over each 10 ms half-period
between zero-crossings does not exceed 20 A, and the
supply current after inrush is within a variation band of 1,5
A.
Select this option to perform this test.
24 x Dmax Test
Select this option to determine the Dmax test in accordance
with Annex B of IEC 61000-3-3 Amendment 1. The program
will guide the user through the required steps for taking 24
startup readings. The default current threshold for detecting
an EUT is 500 mA. If the EUT draws less current than 500
mA in the on state, this threshold value may have to be
lowered in the configuration screen.
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Figure 6-1: Flicker Test Window
Test Start
and Stop
Enter test
margin
here
6.4 Running a Flicker Test
Running a flicker test is similar to running a harmonics test. Launch CTS 3.0 and select flicker
test in the set up screen. Then select appropriate test parameters and click OK to continue. You
will be presented with a test screen similar to that of harmonics.
The flicker test window has several user accessible fields and controls. The following table briefly
describes the purpose of each field and control.
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Field /
Control
Location
Description
Power
button
Upper left
corner
Click on Power to toggle the power source output voltage, unless
power source is already programmed to 230V. The Flicker module
can be configured to turn off the power after every test, in that case
therefore, the user will have to click Power On before starting the
test.
Start button
Upper left
corner
Starts the flicker test using presently selected parameters. Once a
test is running, parameter cannot be changed. Starting a test also
causes data to be written to the test data file.
Stop button
Upper left
corner
Stop the acquisition process. The Stop button can be used to abort
a test prematurely. The data files will be closed and will only contain
data up to the point at which the test was aborted.
Report Button
Upper left
corner
Used to produce a test report in WORD. A WORD must be
installed to generate the report.
Power Button
Upper left
corner
Can manually toggle the power on/off. A PC to power source
communication is needed before it is enabled.
Frequency
Left Panel
Displays signal frequency
V-rms (volt)
Left Panel
Displays Voltage rms value
Test Start
Time
Left panel
This field always shows the start time of the test in progress. The
test duration is shown in the bottom panel.
Highest dc %
Left panel
Displays the highest Relative Steady State voltage change (dc) in %
found so far during the test. This represents the difference between
two adjacent steady-state voltages relative to the nominal voltage.
The standard requires that dc must be less than or equal to 3 % for
the EUT to PASS.
Highest d
max
%
Left panel
Displays the highest Maximum relative voltage change (d
max
) in %.
found so far during the test. This represents the difference between
the maximum and minimum rms values of the voltage change
characteristic relative to the nominal voltage. The standard requires
that d
max
must be less than or equal to 4 % for the EUT to PASS.
Highest dt %
Left panel
Displays the highest Relative voltage change characteristic (dt).
This value represents the change in rms voltage, relative to the
nominal voltage, as a function of time and between periods when
the voltage is a steady state condition for at least 1 second. The
standard requires that dt must be less than 3 % for the EUT to
PASS, although it is permitted to be between 3 and 4 % for less
than 200 msec.
Highest Psti
Left panel
Displays the highest Short Term Flicker value found so far during
the test. Each Short Term Flicker severity is evaluated over period
of 10 minutes. The threshold of irritability is Pst = 1 and this value is
used as the PASS/FAIL limit.
Highest Plt
Left panel
Displays the highest Long Term Flicker value (Plt) found so far
during the test. The Plt period is 120 minutes and is calculated
using successive Psti values. The threshold of irritability for long
term flicker is 0.65 and this value is used as the PASS/FAIL limit.
Test Status
Center
panel
This field provides a visual indication of the test result. A Green field
with Pass indicates the EUT passes the Flicker test, a Red field
with Fail indicates the EUT causes too much flicker. Note that the
condition of this field is affected by the user selected test margin.
To use the actual IEC test limits, the test margin should be set to
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Field /
Control
Location
Description
100 %.
Voltage - rms
(Ut)
Center
panel
Displays the Root Mean Square voltage of the AC source output for
each acquisition window. Acquisition windows are 10 ms for 50 Hz
EUT‟s and 8 ms for 60 Hz EUT‟s.
d
max
%
Center
panel
Displays the present Maximum relative voltage change (d
max
) in %.
This represents the difference between the maximum and minimum
rms values of the voltage change characteristic relative to the
nominal voltage. The standard requires that d
max
must be less than
or equal to 4 % for the EUT to PASS.
dc in %
Center
panel
Displays the present Relative Steady State voltage change (dc) in
%. This represents the difference between two adjacent steadystate voltages relative to the nominal voltage. The standard
requires that dc must be less than or equal to 3 % for the EUT to
PASS.
Plt # n
Center
panel
Displays the present Long Term Flicker value for Pst period number
n. The Plt period is 120 minutes and is calculated using successive
Psti values. The threshold of irritability for long term flicker is 0.65
and this value is used as the PASS/FAIL limit.
Instant. Pst
Center
panel
Displays the instantaneous Short Term Flicker value. At the end of
each 10 minute period, this value will be the Pst for the period.
Psti #n
Center
panel
Displays the present Short Term Flicker value for period n. The
Short Term Flicker severity is evaluated over a period of 10
minutes. The threshold of irritability is Pst = 1 and this value is used
as the PASS/FAIL limit.
Select Test
Test
selection
This combo box allows one of three test modes to be selected:
Test all Flicker parameters
Test dc and dt only
Test Pst only
Test Margin
Test
Margin
This field allows the user to set the test margin from 50 % to 150 %.
Additional information on setting a test margin is shown later in this
chapter.
Graph Display
Graph
panel
The graph panel is used to display either dc and dt or Ut rms as a
function of time. The user can change display modes using the
Graph mode drop down box located directly above the graph itself.
Graph mode
Display
mode /
Print panel
The Flicker module allows the user to toggle between two display
modes. One mode shows the dc and dt as a function of time. The
other mode shows the Ut rms value as a function of time. Each
mode shows a time windows of about 2 seconds and is updated
once every 2 seconds.
Test File
Bottom
panel
This fields shows the currently selected test data file. It also
provides a File button which can be used to change the selected
test data file. The test data file is the file to which new data will be
written while a test is running. Once a test is started, this button in
disabled as the test data file cannot be changed while it is in use by
the program. Note that the actual file name may be too long to fit in
the space provided on screen. If this is the case, use the File button
to display the file dialog box which will allow you to see the entire
path and file name.
Test Duration
Bottom
The test duration is the total test time selected by the user. This
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User Manual Compliance Test System 3.0
Field /
Control
Location
Description
panel
value can be set from 0.5 minutes (30 seconds) to 1440 minutes
(24 hours). Note that a Pst and/or All parameter test requires a test
time of at least 10 minutes. The default test time is set to 10
minutes.
EUT
Bottom
panel
This field can be used to enter information about the unit under test.
The EUT field contents will be included in the test data file and in
any reports that are printed.
Comments
Bottom
panel
This field can be used to enter any information about the test. The
Comments field contents will be included in the test data file and in
any reports that are printed.
Tested by
Bottom
panel
This field can be used to enter information about the operator. The
“Tested by” field contents will be included in the test data file and in
any reports that are printed.
6.4.1 Entering User Data
Prior to running a test, you should enter information concerning the EUT, the person or
department performing the test and any other information that may be relevant to interpreting or
using the test results obtained from the CTS system. Several fields are provided for this purpose
along the bottom of the main test window.
The information entered in these fields is added to the test data file and any reports that are
printed. The date and time of the test run is automatically added based on the PC‟s real-time
clock.
6.4.2 Selecting the Test Period
The default test time for Flicker tests is 120 minutes which provides 12 short term flicker values of
10 minutes each. The user can set the test time anywhere from 0.5 minutes to 1440 minutes or
up to 24 hours if needed. The test period needs to be set long enough to cover the entire
operating cycle of the unit under test. If a test time less than 120 minutes is entered, the Plt will be
evaluated using 12 Psti values and deeming the non measured 10-minute periods to have a zero
Psti.
Equipment that is unlikely to produce long-term flicker based on its typical operating cycle need
not be tested for Plt. This can significantly reduce the test time. If you are unsure however of the
EUT‟s behavior, you are advised to perform a 2 hour test (120 minutes) to verify compliance with
IEC 61000-3-3.
6.4.3 Test Data Files
The CTS 3.0 Software can save the flicker test waveform and result during the test if the saving
option is enabled. The file will be saved in the data_files subdirectory. For test #25, the file will be
F-000025.cts_data. This file can be replayed later with the same software.
6.4.4 Setting the Test Margin
The CTS system offers the user the choice of setting a test margin around the IEC limits. This
means a user specified factor can be applied to the IEC test limits. The default value used is 100
% which essentially means the actual IEC limits are applied to determine a pass or fail result. This
is the mode to use for actual compliance testing.
Setting this margin to a value below 100 % can be useful for pre-compliance testing. Selecting a
lower margin means the test is more stringent. If the EUT can pass the more stringent test, it is
more than likely to pass when submitted to an independent test lab.
Setting the margin above 100 % means you are “loosening” the limits allowing EUT‟s to pass that
would normally fail. This mode is not recommended.
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6.4.5 Running the Flicker Test
Before starting a test, make sure all user fields are set correctly. Changes to these fields are no
longer possible once a test is in progress. Also make sure the EUT is connected to the AC output
of the PACS unit and the correct AC line voltage is programmed on the AC source.
A test run is started by clicking on the Start button.
During the test execution, the CTS 3.0 Software will continuously evaluate EUT Flicker against the
appropriate IEC limits. The Pass or Fail indication is updated in real-time. If the test fails early in a
long test period, you may elect to abort the test prematurely rather than wait till the end.
6.5 Printing Results
The CTS 3.0 Software can produce a WORD based report. At the end of test, the report button
will be enabled. Clicking on the Report button will generate information needed for a report and
present an option to generate a report in WORD.
6.6 Flicker Replay Mode
The CTS 3.0 Software can be used to replay previously recorded test data. This replay can be
done on the same test system that was used to record the original data or on an altogether
different PC.
In order to replay a test, the data acquired during the test needs to be saved to a CTS native data
file. If the save data option is not enabled in the additional setup window for Flicker, there is no
way to replay a test later. The Pass or Fail result of any run on the actual test system PC is
always logged however. If a different PC is used to play back data, the data files have to be
transferred to this PC first. The test data files are stored in the following directory:
C:\Program Files\California Instruments\CTS\Data_files
6.6.1 To play back test on the actual test system PC, proceed as follows:
1. From the Test Menu, select 'Replay an existing test'. This will bring up a table showing all
tests ever run on this system.
2. Select the test you want to replay by clicking on its row. If data for this test was stored and is
available, the Replay Test button at the bottom will be enabled.
3. Click on the Replay Test button to start the replay process. This will bring up a standard
Harmonics or Flicker test screen.
4. To start the replay process, click on the Start button. The data displayed will be taken from
the stored data files. The replay mode is indicated in the lower right corner on the status bar.
5. The buffer rate and speed at which data is replayed can be controlled using the various
settings in the Options menu. This may be required to adjust to the speed of the PC used.
6. The replay process can be halted at any time by clicking on the Stop button. This will stop the
data at the buffer number shown in the lower left corner.
7. Once stopped, the data can be stepped forward or backward at various rates using the VCR
style buttons in the lower left corner.
8. A test report can be printed from stored data in this mode. The actual date and time the data
was recorded will be shown on the report in addition the report print date and time.
6.6.2 To play back test on a different PC from the test system PC, proceed as follows:
1. If not already done, install a copy of the CTS 3.0 software on the other PC. When launched,
the absence of a data acquisition system will be detected and flagged. This is normal.
2. Transfer the data files to the PC used for replay, either using a network connection or disk.
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3. From the File menu, select the Open Data File entry, This brings up the standard file open
dialog box.
4. Locate and select the file to be replayed. Harmonics files start with the letter H, flicker files
start with the letter F.
5. Click on the Open button to open the test data file. This will bring up the standard setup
screen showing the settings that were used to acquire this data.
6. Click on OK to proceed to the main test window.
7. To start the replay process, click on the Start button. The data displayed will be taken from
the stored data files.
8. The buffer rate and speed at which data is replayed can be controlled using the various
settings in the Options menu. This may be required to adjust to the speed of the PC used.
9. The replay process can be halted at any time by clicking on the Stop button. This will stop the
data at the buffer number shown in the lower left corner.
10. Once stopped, the data can be stepped forward or backward at various rates using the VCR
style buttons in the lower left corner.
11. A test report can be printed from stored data in this mode. The actual date and time the data
was recorded will be shown on the report in addition the report print date and time.
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Menu Item
Description
Recall Type
This option offers four choices for playback of data. Data is stored in
acquisition windows or buffers. For Harmonics, acquisition windows are
either 10, 12 or 16 cycles. For Flicker, acquisition windows are 1 second.
Available recall choices are:
Every Window:
Every acquisition window is shown
Every failed/distorted
Window
Only acquisition windows with one or more
failures are shown.
Every Failed Source
Window
Only acquisition windows with high AC source
distortion are shown.
Every Failed Current
Window
Only
Recall Size
Amount of acquisition buffers or windows to be loaded from disk to
memory during playback. The more windows are loaded, the further the
user can back up in the data stream during playback. Thus, when
selecting 100 buffers, the replay can be stopped and reversed up to 100
buffers.
The recall size ranges from 0 to 1000 buffers.
Replay Delay
Selects the time to wait between display data buffers during replay mode.
On a fast PC, it may be useful to increase this time or the replay will run by
too fast to see anything meaningful.
Available delay times between buffers are 0.0 seconds for the fastest
speed to 5.0 seconds for the slowest speed.
Display Rate
This setting determines how many buffers are skipped for display
purposes. While all data buffers are read from disk, only the selected
buffer interval set here is displayed in the graphs.
Available rates range from Every Acquisition to All the way to the End. The
last setting means the data is read from disk all at once and the last buffer
is displayed right away. The user can then back up using the VCR style
keys in the lower left corner of the screen.
Table 6-1 : IEC Flicker Replay Settings
6.6.3 Flicker Replay Options
Data replay capability is an important diagnostic feature of the CTS 3.0 system. The end user has
a great deal of control over the replay process. These user settings are located in the Options
menu. The following options are available to control the replay process:
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7. IEC 61000-4-11 Voltage Dips and Variations Immunity Testing
7.1 About This Chapter
This chapters covers testing a device for compliance with the IEC 61000-4-11 Voltage Dips and
Variations test standard. This test is supported through the CIGui32 or CIGuiSII AC source control
program. If you purchased a 100-CTS or 300-CTS test system, which does not include a
California Instruments AC source, you will not be able to perform these tests.
The CIGui32 or CIGuiSII supports two implementations of the IEC 61000-4-11 test standard, one
based on the firmware option available for the i/iX Series and one implemented in the CIGui32 or
CIGuiSII program itself that can be used with any supported AC source. If you are using an i/iX
Series AC source, check your configuration window to see if this option is installed. The CIGui32
or CIGuiSII will automatically choose the correct implementation. This section covers the
implementation that relies on the presence of the -411 firmware option. This is also the version
that supports the -EOS (Electronic Output Switch) option required for AC source compliance. If
the AC source you are using does not have this option or is a 1251RP, refer to the AC source
manual instead.
7.2 Standard Revisions and EUT Classes
The–411 option supports both the first (1994-06) and the second edition (2004-03) of the IEC
61000-4-11 test standard as of firmware revision 2.38. Older firmware revisions only support the
first edition. Contact support@calinst.com for upgrade information. If Edition 2.0 is supported, the
standard revision can be selected when using the Cigui32 or CIGuiSII Windows program. From
the front panel, there is no need to select the revision but data values can be set that support
either version of the standard.
Generic tests files are distributed with the CIGui32 or CIGuiSII program for both editions of the
test standard. Files applicable to Edition 2.0 have ED20 in their file name. Do not mix these files,
as the data setup will not be correct if you do. To load a test file, select the Mode (Dips or Vars)
and test standard revision first, then use the File, Open menu to load the test parameters. Test
parameters can be a function of the EUT class. The different files provided with the program
cover the various EUT classes. The relevant EUT class 1, 2, 3 or X is listed in the file names.
When using front panel operation, the user has to set levels for each individual test step in
SINGLE mode.
7.3 Compliance Statement
Based on the hardware specifications of the AC source in use, not all requirements for IEC
61000-4-11 test generators may be met. In particular, the 1 to 5 microsecond rise and fall time
called out in the specification is not met by most AC sources. This is unlikely to have any effect on
the outcome of the test however. A unit that fails a voltage dropout with a 80 microsecond rise and
fall time will not likely pass the same dropout performed at 5 microseconds rise and fall times and
vice versa.
However, the -EOS option available for the iX Series AC sources may be added to meet the IEC
61000-4-11 source‟s rise and fall times.
Also, the 500 Amps inrush current capability is not met. This requirement does not have to be met
if the unit under test does not draw more inrush current than the AC source can deliver. The peak
current pre-test option may be used to verify inrush capability of the source for the unit under test.
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Figure 7-1: IEC 61000-4-11 Test Window
7.4 Specifying Test Sequences for Dips and Variations
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Dips and Interruptions
Simulates short interruptions in AC supply
Voltage Variations
Simulates slow changes in AC supply
Figure 7-2: IEC 61000-4-11 Voltage Variation specification- Edition 1.0
Figure 7-3: IEC 61000-4-11 Voltage Variation specification- Edition 2.0
The IEC 61000-4-11 test suite consists of two types of tests:
The user must select the desired test type before executing the test. Since both test types require
a number of test parameters, the test sequence parameters must be entered in the data entry grid
or loaded from disk using the File, Open menu entry.
The timing of voltage variations is different between editions 1.0 and 2.0 of the IEC 61000-4-11
test standard. While the original standard used voltage ramps on both sides of the variation test
level, the Edition 2.0 standard calls out an abrupt drop to the test level, followed by a voltage ramp
back to the nominal voltage. Thus, for Edition 2.0, the fall time must be set to 0 cycles. This
requires firmware revision 2.38 or higher. Older firmware revision will not accept 0 cycles for fall
time. The shortest allowable fall time for older revision firmware is 0.02 sec.
Furthermore, where under Edition 1.0 rise and fall times were specified in seconds, they are
specified in number of cycles in Edition 2.0. This is an effort to normalize both 50 Hz and 60 Hz
voltage variations. The data entry mode used by the Cigui32 or CIGuiSII program will be a
function of the edition selected by the user.
Refer to Figure 7-2 and Figure 7-3 for an illustration of how these parameters affect the V RMS
output under the different standard revisions.
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Note that the generic IEC 61000-4-11 specifications are based on common types of AC line
disturbances found on the European utility network. The test voltage levels and dip durations
required to perform a IEC 61000-4-11 tests is not uniquely defined. Instead, different test levels
and durations are allowed for various product categories. Product committees set these test
levels. For this reason, the test parameters used by the CIGui32 or CIGuiSII for the IEC 61000-411 test sequences can be specified by the user or loaded from disk. This allows unlimited
customization of both voltage interruptions and voltage variations tests. Up to 100 sequences of
voltage dips at various levels, phase angles and durations can be specified. Voltage variations
can be defined by level, rise time or td, fall time or ti and hold time or ts depending on the standard
revision selected.
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Parameter
Description
Nominal frequency
Opening this window will set this parameter to the present steady state
frequency setting of the AC source. If required, a new value can be entered
to be used during the test. At the end of the test, the AC source will remain
at this frequency.
Test mode
Available test types are Dips and Variations..
Phase
The phase mode used is shown below the class selection. This mode
cannot be changed from this window. To change phase mode, close this
window and use the main front panel control window to select the desired
phase mode first.
Peak Current Mode
User can select this option to verify that the test is valid. If the peak current
is over the limit of the power source, a message will appear and the user
can select abort or continue running the test
Run menu
Start Button
Starts the IEC 61000-4-11 test using the parameters set by the user. Test
progress is shown at the bottom of the window. The sequence numbers
shown correspond to those in the illustration.
Stop
Aborts test in progress.
Figure 7-4: IEC 61000-4-11 Setup screen
7.5 Test Setup
The following parameters and controls are available for executing the IEC 61000-4-11 test:
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Include Peak Current Test
The test standard requires that the AC generator used has the ability
to deliver 500 Amps of inrush current to the EUT. This is neither
economical nor practical. Instead, the EUT inrush current can be
determined using a prescribed test method. If the EUT inrush current
is 70 % or less of the AC sources' capability, the AC source may be
used for full compliance testing. Setting this option determines the
EUT inrush current using the standard method. The test takes about
12 minutes to complete. At the end, the program will inform the
operator of the result and match this against the AC source's
capability. See paragraph 7.3.
Use only EOS option levels
This option can only be selected if the Electronic Output Switch (EOS)
option is present. When set, the test levels entered in the Dips test
sequence or loaded from disk are automatically rounded to the
nearest available discrete EOS voltage Dip level. If this option is not
selected, any test level may be set but the EOS will be bypassed. In
this case, the voltage rise and fall time required for full compliance will
not be met. See compliance statement below.
If the EOS-1 or EOS-3 has a dual tap setting for the 70/80 % tap,
indicate the setting of this tap in the EOS Hardware Setting box as
there is no way for the program to determine the setting in effect. For
information on changing between 70 and 80% taps on the
EOS1/EOS3, refer to the iX Series User Manual, P/N 7000-970,
Revision Q or higher.
See paragraph 7.3.
7.6 Test Options
The operator may select one or more of the following options before starting the test:
7.7 Test Results
There is no way for the CIGUI to determine the outcome of this test as a clear definition of a
failure can not be given. The draft standard called out the following possible test results:
“The�test�results�shall�be�classified�on�the�basis�of�the�operating�conditions�and�functional�
specifications of the equipment under test, as in the following, unless different specifications are
given by product committees or product specifications.
a) Normal performance within the specification limits
b) Temporary degradation or loss of function or performance which is self-recoverable.
c) Temporary degradation or loss of function or performance which requires operator intervention
or system reset.
d) Degradation or loss of function which is not recoverable due to damage of equipment
(components) or software, or loss of data.
As a general rule, the test result is positive if the equipment shows its immunity, for the duration of
the application of the test, and at the end of the tests the EUT fulfills the functional requirements
established�in�the�technical�specification.”
The user has to make this determination by observing the unit under test.
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