Voltech PM6000 User Manual

PM6000
POWER ANALYZER
USER MANUAL
VOLTECH PM6000 USER MANUAL ISSUE 19 PAGE I
Voltech Instruments Inc.
11637 Kelly road, Suite 306
Fort Myers, FL33908
Tel: 239 437 0494
Fax: 239 437 3841
sales@voltech.com
Voltech Instruments Ltd.
148 Harwell Business Centre
Didcot, Oxon, OX11 0RA
U.K.
Tel: +44 1235 834555
Fax: +44 1235 835016
sales@voltech.co.uk
www.vol t e c h . com
Voltech Instruments is committed to a policy of continuous product development.
Hence product specification and the information given in this manual are subject to
change without notice.
No part of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form, or by means electronic, mechanical photocopying,
recording or otherwise, without prior written permission of Voltech Instruments.
2005 - 2011 Voltech Instruments. All rights reserved.
Microsoft, Windows and the Windows logo are either registered trademarks or
trademarks of Microsoft Corporation in the United States and/or other countries.
Voltech Part Number: 98-058
Manual Issue PM6000 Firmware Revision
20 v1.21.07RC2
PAGE II VOLTECH PM6000 USER MANUAL ISSUE 19
DANGER OF ELECTRIC SHOCK
Only qualified personnel should install this equipment, after reading and
understanding this user manual. If in doubt, consult your supplier.
RISQUE D'ELECTROCUTION
L'installation de cet équipement ne doit être confiée qu'à un personnel
qualifié ayant lu et compris le présent manuel d'utilisation. Dans le
doute, s'adresser au fournisseur.
GEFAHR VON ELEKTRISCHEM SCHOCK
Nur entsprechend ausgebildetes Personal ist berechtigt, diese
Ausrüstung nach dem Lesen und Verständnis dieses
Anwendungshandbuches zu installieren. Falls Sie Zweifel haben sollten,
wenden Sie sich bitte an Ihren Lieferanten.
RISCHIO DI SCARICHE ELETTRICHE
Solo personale qualificato può installare questo strumento, dopo la
lettura e la comprensione di questo manuale. Se esistono dubbi
consultate il vostro rivenditore.
IMPORTANT: Please consult the safety information section of this user manual before
installation and use.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE III
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PAGE IV VOLTECH PM6000 USER MANUAL ISSUE 19
Contents
1. Introduction ............................................................................ 1
1.1. Features & Abilities .............................................................................................. 1
1.2. Package Contents ............................................................................................... 3
1.3. Options ................................................................................................................ 4
2. Quick Start .............................................................................. 1
2.1. Getting Started .................................................................................................... 1
2.2. Navigating the Menu System ............................................................................... 1
2.3. Measurement Display .......................................................................................... 3
2.4. Wiring and Groups ............................................................................................... 4
2.5. Summary ........................................................................................................... 12
3. Menu System .......................................................................... 1
3.1. Navigation ............................................................................................................ 1
3.2. Menu Items .......................................................................................................... 2
4. Remote Operation .................................................................. 1
4.1. Overview .............................................................................................................. 1
4.2. Interfacing with GPIB systems ............................................................................. 1
4.3. Interfacing with RS232 Systems .......................................................................... 1
4.4. Interfacing With Ethernet Systems ....................................................................... 1
4.5. Remote Command Syntax and Conventions ....................................................... 2
4.6. Status Reporting .................................................................................................. 3
4.7. IEEE488.2 Common Commands ......................................................................... 4
4.8. Format Commands .............................................................................................. 8
4.9. Configuration Commands (:CFG command) ...................................................... 29
4.10. :INP Commands .............................................................................................. 33
4.11. :INST Commands ............................................................................................ 34
4.12. :SENS Commands ........................................................................................... 37
4.13. :SYST Commands ........................................................................................... 38
4.14. Examples of Using Commands ........................................................................ 41
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE V
5. Remote Access ...................................................................... 1
5.1. Connecting to the PM6000 using ethernet ........................................................... 1
5.2. FTP ...................................................................................................................... 3
6. Fitting Options ...................................................................... 1
6.1. Voltech Shunts .................................................................................................... 1
6.2. PCMCIA Cards .................................................................................................... 1
7. Software .................................................................................. 1
7.1. IEC 61000-3-2/3 Current Harmonics and Flicker Software .................................. 1
7.2. PM6000 Visual Power Analysis Software (PM6VPAS) ........................................ 1
8. Specification ........................................................................... 3
8.1. Measuring Channel .............................................................................................. 3
8.2. Mechanical and Environment ............................................................................... 3
8.3. External input ....................................................................................................... 4
8.4. Peripheral Ports ................................................................................................... 5
8.5. Measured Parameters ......................................................................................... 8
8.6. Measurement Accuracy ..................................................................................... 11
8.7. Regulatory Compliance ..................................................................................... 15
8.8. Shunts – 30A and 1A ......................................................................................... 16
9. Warranty, Service and Updates ............................................ 1
9.1. Warranty .............................................................................................................. 1
9.2. Calibration and Service ........................................................................................ 2
9.3. Obtaining Service and Applications Support ........................................................ 2
9.4. Updating Firmware .............................................................................................. 2
10. Safety Information ............................................................... 1
10.1. Safety Features ................................................................................................. 1
10.2. Safety Instructions ............................................................................................. 1
11. Release History .................................................................... 1
PAGE VI VOLTECH PM6000 USER MANUAL ISSUE 19
INTRODUCTION
1. INTRODUCTION
1.1. FEATURES & ABILITIES
The Voltech PM6000 is a powerful and versatile precision power analyzer. The
accuracy and bandwidth of the PM6000 allow definitive measurements of all power
quantities to be made on all electrical and electronic products. In applications ranging
from a power supply operating in standby mode, through high-frequency power
converters, to large power transformers, the PM6000 provides stable, reliable, and
accurate measurements every time.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 1
use this Voltech product. If you experience any difficulty during
installation or use of the Voltech PM6000, or are unsure of any of its
features or abilities, please do not hesitate to contact either your
local Voltech supplier or one of our Voltech main service centers.
INTRODUCTION
Versatile Technology
The PM6000 couples a fast PCI bus architecture with powerful digital signal processing
to provide 5 mega-samples per second (MSPS) - processed on all channels -
simultaneously and continuously. This ensures that accurate real-time measurements
can be made on products such as power supplies, motor drives and lighting ballasts.
Up to 40 MSPS are available for burst and transient measurement modes.
There is room for up to 6 wattmeter channels to be installed into a PM6000 with a
variety of shunts and current sensors, creating flexible test options.
Rugged Performance
Each measurement channel can measure up to 2000Vpk and can accept a range of
Voltech plug-in current shunts and other current transducers. The PM6000
automatically recognizes Voltech shunts when the instrument is powered up and reads
the shunt’s own calibration data to ensure optimum accuracy. In this way, only the
standard measurement channel is required for all applications.
An embedded PC running the Linux operating system is used to display, communicate
and control all the available measurements.
Easy to use
The display soft keys and rotary control are used to select and group measurements,
display multi-phase sum quantities, calculate efficiency and to display waveforms. The
menu items may also be selected using the front panel short-cut keys or remotely on a
PC.
In this way, the PM6000 can be set up to make complex measurements in seconds.
Front panel settings may be stored for future use.
For on the spot assistance, a comprehensive help system is built in to the analyzer.
Evolving capability
A program of software enhancement is further developing the power of the PM6000.
Regularly visit the Voltech website to keep up to date with developments
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 2
INTRODUCTION
1.2. PACKAGE CONTENTS
The following items are supplied with your PM6000.
Please check that you have every item and report any missing items to your Voltech
supplier as soon as possible.
PM6000 Chassis (NOTE: No floppy disk is fitted on models sold after February
2008)
Certificate of Conformance and Calibration Certificates
CD including the manual and calibration data
Mains power cable
Current Connector plug for each measurement card
Ethernet Crossover cable for direct PC to PM6000 connection
Voltech product registration card
Returning your product registration card will ensure that you continue to receive the
latest product and application information.
If you have ordered measuring channels and shunts together with a PM6000 chassis,
they will be fitted ready for use.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 3
INTRODUCTION
1.3. OPTIONS
The following items may also be supplied with the PM6000. For logistical reasons,
some items may be supplied in separate packages. All these items are also available
post sale.
PM6000 Measurement Channel (Fitted by a Voltech service center only)
High performance wattmeter channel. Voltage 2000Vpk, current 2.5Vpk for
shunt or current transducer. ±5Vdc isolated supply (at current channel
potential) and ±12dc supply (at chassis potential) for external current
transducer
1A Shunt
1Arms, 5Apk precision measuring shunt with calibration stored in EPROM
30A shunt
30Arms, 250Apk precision measuring shunt with calibration stored in
EPROM
Lead set
2 pairs (yellow and black) 1.5m 2000V 32A leads with safety connectors and
alligator clips
Rack mounting kit
For 19”, 3 ½ U high
Internal hard drive
For storage of user data
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 4
QUICK START
2. QUICK START
2.1. GETTING STARTED
1. Check the power analyser is in good condition with the correct number of
measurement channels and shunts fitted
2. Connect the power cable. Ensure the supply is Earth grounded.
3. Press the power switch at the rear to ON (I)
4. Press the front panel power switch
The instrument will start its power up sequence. This takes approximately
one minute
Once completed the display should show columns for the measurement
channels
5. The instrument is now ready for use
2.2. NAVIGATING THE MENU SYSTEM
The menu system provides complete access to all settings of the PM6000. The menu
system may be accessed as follows:
1. By use of the 6 soft keys found to the right of the display
2. By using the short-cut keys on the front panel. These keys are grouped in a
logical left to right sequence for setting up the instrument and provide fast
access to the top-level menu items. Additional keys may be used to store your
own short cuts to frequently used menu items, [MENU1], [MENU2] and
[MENU3].
Press the [HELP] key at any time to activate the in-built context sensitive help system.
For optimum ease of use the actions that the soft keys will take is adjusted to suit the
measurement display or menu point shown on the display. The key action is described
by a simple graphic symbol that is shown in alongside each key
In most situations pressing the [Menu] key is the quick way to exit the menu system
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 1
QUICK START
Down Menu
View the details of the selected menu item.
Up Menu
Go back up the menu system.
Accept
Accept the choice or save the setting.
Cancel
Cancel setting, exit without saving.
Up
Move up or through the menu or measurements.
Down
Move down through the measurements.
Rotate
Display the next group or trigger.
Left
Display the measurement column to the left.
Right
Display the measurement column to the right.
? Help
Switch the help display on or off.
DEL Delete
Delete one character to the left of the cursor.
CLR Clear
Clear the current alpha or numeric entry.
ESC Escape
Escape from the menu without saving changes.
OK Save
Save changes.
Rotary
The rotary knob is used to scroll up and down through measurements or menu items
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 2
QUICK START
2.3. MEASUREMENT DISPLAY
The display may be used to show numerical results, graphics, or both. (See the
[GRAPH], [FORMAT] menu for details).
Numerical measurements are organized like a spreadsheet with the measurement
channels (and groups of channels) in columns and the measured parameters (e.g.
watts, volts, amps) in rows.
Status Group A Group B Group B Group B
CH1 CH2 CH3 SUM Vrms
Arms W
VA VAr
To display further measurement columns, use the left and right keys .
To display further measured parameters, use the up and down keys , .
When no further measurements are available, these keys are shown in gray.
To group channels together to display sum quantities see the [WIRING] menu
description.
To hide numeric results columns, see the [FORMAT], [DISPLAY COLUMNS] menu
The Status area is used to show important status indicators such as an over-range
(OVR) on a measurement input, or if [HOLD] has been pressed.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 3
Channels
Measurements
QUICK START
2.4. WIRING AND GROUPS
The analyzer uses the concept of groups of measurement channels for many of its
functions. By default each channel is assigned to its own group, so Channel 1 is Group
A, Channel 2 is Group B, and so on.
For multiphase measurements, a number of channels can be assigned to a group
allowing precise frequency and phase analysis of the multiphase signals. The
frequency of the first channel in the group is used as the fundamental frequency for all
channels in the group, and all phase measurements are relative to the phase reference
(Voltage by default) of the first channel in the group.
Channels are assigned to a group by selecting the required wiring configuration from
the [WIRING] menu or by remote commands. The appropriate number of adjacent
channels will be included in the group.
This should be done before connecting the test leads to avoid confusion when wiring
up to the PM6000
Channel 1
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 4
Figure 1 Rear View of Instrument
QUICK START
Figure 2 Common Wiring Configurations
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 5
QUICK START
1. In the [WIRING] menu, choose how you wish to group measurements together,
if required
In this example, CH1 and CH2 have been grouped together to measure a 3-phase
input, and CH3 and CH4 have been grouped together to simultaneously measure a
3-phase output
2. Choose and set up current and voltage transducers, as required and described
below.
3. Then make the physical connections, taking care to observe health and safety
regulations.
Each measurement channel has inputs for both voltage and current. The inputs are
fully isolated from each other and from ground. The instrument chassis must be Earth
grounded at all times
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 6
QUICK START
For a discussion of three-phase measurements, see Voltech application note 104-022
‘Three-Phase Measurements’.
The three-phase 7-wire configuration may be used to measure total power on
distribution systems with center-tapped three-phase transformers. The connection
method is similar to the three-phase 4-wire 3-wattmeter method above, with all VLO
terminals of the analyzer common and a VHI terminal taken to each of the 6 line wires
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 7
QUICK START
2.4.1 Voltage and Current Input Overview
Voltage
Voltages of up to 2000V peak may be connected directly to the black and yellow 4mm
safety sockets at the bottom of the channel. A yellow and black lead set is provided
with each voltage channel. When connecting the leads, ensure that the end closes to
the ferrite bead is connected to the PM6000.
Current
The measurement channel accepts a voltage of up to 2.5Vpk that is proportional to the
current being measured. This input allows a very wide range of external current
transducers to be connected, from low mA current shunts to MA current transformers.
For each type of transducer, the PM6000 may be scaled to read the correct current.
See the [SCALING] menu.
Any combination of Voltech shunts or other transducers can be used simultaneously on
different channels of the PM6000
The choice of current transducer will depend on:
The current being measured, including peaks and transients.
The accuracy required.
The bandwidth required: Unless the waveforms are purely sinusoidal, a bandwidth
in excess of the fundamental frequency will be required.
Whether there is DC current present.
Convenience of connection – E.g. using a clamp-on current transformer, with jaws
that open, for quick connection in a fixed wiring loom.
The effect of the transducer on the circuit.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 8
QUICK START
2.4.2 To connect an external resistive shunt:
1. Use the plug supplied to make the connections to the measurements
channel connections
2. Use good quality shielded twisted pair cable to minimize pick-up
Figure 3 External Resistive Shunt with Shielded Twisted Pair
3. For optimum rejection of common mode signals, the 0V guard terminal
must be used. Connect this to the shield of the twisted pair cable, if
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 9
0V – Guard terminal ± 5V isolated supply at shunt potential
QUICK START
available. If there is no shield, connect this directly to the ELO terminal
4. Enter the value in mΩ of the external shunt into the PM6000. See the
[SCALING], [External Shunt mV/A] menu. E.G. For a 100mΩ shunt, enter
the value 100
2.4.3 To connect a transducer with a voltage output
(E.g. Hall-effect current transformer)
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 10
Voltage Input VHI, V
LO
DO NOT USE Incorrect use will damage PM6000
Connections for Voltech accessories only
Voltage input 2.5V pk max. For current transducers with a voltage output
± 12V @100mA external transducer supply. NON ISOLATED 0V at Chassis ground
QUICK START
1. Follow the manufacturer’s instructions for the safe use and installation of the
transducer.
2. Connect the voltage output to the EHI and ELO terminals of the PM6000 channel
as above.
3. Connect the 0V guard terminal to 0V on the transducer if one is available. If not,
connect the 0V guard to ELO along with the transducer. Use the 0V guard
terminal as the 0V return for those transducers that require one.
2.4.4 To connect a transducer with a current output only
To use a conventional current transformer like the Voltech CL series, use a Voltech 1A
shunt as described later, and use the [SCALING] [AMPS SCALING] function to enter
the ratio of the current transformer. Low level blanking may need to be turned off (see
section 3.2.11).
2.4.5 Voltech Shunts
For optimum performance, Voltech provides two resistive shunts which mount directly
onto the measurement channels. These shunts include a precision resistive element
designed with minimum inductance for maximum high frequency performance. The
Voltech shunts:
Connect directly to a measurement channel without any extra wiring.
Have a very low effect on the circuit.
Excellent high frequency performance.
Automatically recognized by the PM6000 during power on and scaled
appropriately.
Calibration constants are stored within the shunt module and read automatically
by the PM6000 for optimum traceable accuracy.
4mm safety connectors for direct connection to the circuit or current transducers
with a current output (e.g. current transformers). . A yellow and black lead set
is provided with each shunt channel. When connecting the leads, ensure that
the end closes to the ferrite bead is connected to the shunt.
Two models, 30Arms and 1Arms.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 11
QUICK START
Voltech 30A shunt-
No fuse
Voltech 1A shunt –
Fused with a 2.5A HRC
Anti-surge 20x5mm fuse
Use a 1A shunt for current
transformers with up to
2.5A secondary current
2.5. SUMMARY
Having an appropriate choice of voltage and current transducers and a careful wiring
arrangement, the PM6000 can now be set up via its menu system to make a wide
variety of power related measurements. For a description of each of the menu options,
see the next section.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 12
MENU SYSTEM
3. MENU SYSTEM
3.1. NAVIGATION
The PM6000’s menu is a powerful yet easy-to-use system for control of the analyzer.
See the ‘Quick Start’ section of this manual for an overview of how to access and use
the menu system. The soft-key actions are repeated here for convenience.
Down Menu
View the details of the selected menu item.
Up Menu
Go back up the menu system.
Accept
Accept the choice or save the setting.
Cancel
Cancel setting, exit without saving.
Up
Move up or through the menu or measurements.
Down
Move down through the measurements.
Rotate
Display the next group or trigger
Left
Display the measurement column to the left.
Right
Display the measurement column to the right.
? Help
Switch the help display on or off.
DEL Delete
Delete one character to the left of the cursor.
CLR Clear
Clear the current alpha or numeric entry.
ESC Escape
Escape from the menu without saving changes.
OK Save
Save changes.
For help at any time whilst using the product:
Press the [?] soft key at the top level menu.
Press the [HELP] key at any time
In most situations pressing the [Menu] key is the quick way to exit the menu system
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 1
MENU SYSTEM
3.2. MENU ITEMS
Pressing the [Menu] key on the front panel or the down menu soft key when
measurements are displayed activates the menu.
To clear the display of any menu item, press the [Menu] key again or navigate up
through the menu system using the menu up soft key.
The top-level menu items are the same as the groups of keys on the front panel. They
are organized into groups of similar functions.
Input Setup Display System Menus
Wiring Mode Measurement Config Menu Range Integrator Format Interface Help Coupling Datalog Graph Printing User Scaling Data Menu 1 Filter Trigger Menu 2 Frequency
Source
Self Test Menu 3
Other functions
HOLD
RESET / CLEAR
INTEG RUN
DATA DUMP
PRINT
This section describes these menu and submenu functions in order of the buttons in
each group.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 2
MENU SYSTEM
3.2.1 Wiring
This menu is used to configure the analyzer to reflect the way that the measurement
channels are connected to the system under test. For example, three measurement
channels may be connected to a three-phase system. Grouping the channels together
in this menu simplifies the setup of sum calculations and other settings that can then be
applied to the group as a whole.
Wiring Setup
Default: All 1 Phase 2 Wire
By configuring the wiring of the analyzer, adjacent measurement channels are
grouped together.
To group channels together, start with the first group (GroupA), select the wiring
setup required (up / down arrow keys).
Move to the next group using the group rotate key and repeat as required.
The example below shows CH1 and CH2 grouped together for a three-phase,
three-wire connection and CH3 and CH4 grouped for a similar connection.
The new configuration is saved upon exiting this menu.
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 3
MENU SYSTEM
For further information, see our website for technical notes on wiring
configurations - 'Three-Phase Measurements' or call your local supplier.
Group Name
Default: Group A, Group B, etc
Change the name of the group. The group name may be up to 19 characters
long. Permitted characters are those available on the keyboard of the PM6000.
The name will be displayed above the grouped channels on the instrument
display.
Press OK to save; press ESC to exit without changing the group name.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 4
MENU SYSTEM
3.2.2 Range
These settings are applied to groups of measurement channels. Use the group rotate
key to set up the next group
The ranges are identified by the peak signal that can be measured. For example, if the
volts range is 200V then signals with a peak of ± 200V can be measured.
Voltech Shunts will be scaled on instrument power up. For other shunts the relevant
scaling should be applied using the External Shunt Scaling menu (see 3.2.4)
Range
Number
Volts Peak
Full Scale
Amps Peak Full Scale
No Shunt Voltech 1A Shunt Voltech 30A Shunt
1 5 5mV 10mA 500mA
2 10 10mV 20mA 1A
3 20 25mV 50mA 2.5A
4 50 50mV 100mA 5A
5 100 100mV 200mA 10A
6 200 250mV 500mA 25A
7 500 500mV 1A 50A
8 1000 1V 2A 100A
9 2000 2.5V 5A 250A
Table 1 Volts and Amps Ranges
Volts Range
Amps Range
Default: Auto
To adjust the range, select as required from the available displayed ranges and
then accept the choice.
Auto allows the instrument to continuously determine the best range to use
Auto Up Only may be used to ensure that the analyzer automatically ranges
upwards, but never downwards. This setting may be used in pulsed applications
to avoid measurement delays caused by the time taken to auto range upwards
during the pulse.
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 5
MENU SYSTEM
Display Volts Range
The voltage range will be displayed as a measurement item when this is selected.
Display Amps Range
The current range will be displayed as a measurement item when this is selected.
3.2.3 Coupling
Default: AC+DC
In AC+DC mode, the PM6000 includes DC signals in its analysis.
Select 'AC' to measure AC signals only. This is useful when attempting to measure the
ac characteristics of a signal that are superimposed on a high level of dc. For example, to measure the ac ripple on a dc bus, select 'AC' only.
In either coupling mode, the analyzer will accept peak voltage or current up to its
normal rating. It is therefore safe and accurate to measure small amounts of ac ripple when connected to a 350V dc bus with ‘AC’ coupling selected.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 6
MENU SYSTEM
3.2.4 Scaling
Scaling is used to adjust the scaled output of transducers such a current transformers
such that the true measured current is displayed on the PM6000
Maximum scale factor: 100 000
Minimum scale factor: 0.000 01
Amps Scaling
Default: 1
Enter the scale factor of the transducer being used. For example, the Voltech
CL1000 produces 1 amp for every 1000 amps flowing in the opening of the CL. It
is a 1000:1 current transformer. Enter the scale factor 1000 and the PM6000 will
display the correct current.
Scale factor = Transducer Input Current / Transducer Output Current
Volts Scaling
Default: 1
Enter the scale factor of the transducer. E.g. a 100:1 voltage transformer is used
to measure 15kV. The output of the transformer is 15000 / 100 = 150V. Enter the
scale factor 100, and the PM6000 will display 15,000 V
External Shunt Scaling mV/A
Default: 12.5 or value for detected Voltech Shunt
External shunt scaling is automatic when Voltech current shunts are used. Shunt
types are detected during power up of the analyzer.
This scaling is applied to the current measurement channel voltage inputs. This is
used for current transducers that have a voltage output. These include Hall-effect
transducers as well as simple resistive shunts.
Enter the scaling of the chosen transducer. For example a clamp-on Hall-effect
current transducer measures up to 100A. It has a voltage output of 10mV per
amp. Enter '10' and the PM6000 will display the correct system current.
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 7
MENU SYSTEM
3.2.5 Filter
Default: 2MHz
This is the filter applied to all measurements for the group. It defines the measurement
bandwidth. Different filter settings may be applied to different groups.
The default setting of 2MHz is suitable for most general applications. The PM6000
always maintains a sample rate sufficient to avoid aliasing problems at any filter setting.
A range of filters is provided to allow the user to optimize the measurement
performance. The nominal filter frequency corresponds to the -3dB frequency so allow
sufficient bandwidth to include all harmonics of relevance to the measurements with
some margin.
As a guideline select a filter of ten times the highest frequency of interest.
Selecting a lower frequency filter will help reduce noise on some measurements or may
be useful to eliminate unwanted higher frequency components of low frequency
signals.
For settings of 2MHz and below, the signal is analyzed continuously; ensuring no
characteristic of the signal is missed.
The 10MHz filter puts the instrument into a 40MSPS burst mode, allowing analysis of
signal components up to 10MHz. This mode is only suitable for signals with a
fundamental frequency greater than 10 kHz.
Experiment with filter settings to find the most appropriate for each application
3.2.6 Frequency Source
Source
Default: Volts
Many measurements (including rms volts, amps and watts) are based on
calculations that are dependant on the correct fundamental frequency being
determined by the analyzer.
The PM6000 uses proprietary techniques to determine frequency that eliminate
the problems created by noise when simple zero-crossing techniques are used.
It is therefore not normally necessary to adjust the settings from the default of
voltage.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 8
MENU SYSTEM
Volts is the default frequency source and is suitable for most applications.
Amps may be selected if the voltage waveform is heavily distorted, but the
current is not. The waveforms at the output of a PWM motor drive are an example
of this.
External sets the external input at the back of the PM6000 as the frequency
source. Choose this option if the frequency cannot be detected from volts or
amps but is available elsewhere. Apply a TTL compatible square wave to the
external input at the required frequency.
Fixed Frequency Enter a frequency and this will be used as the fundamental
frequency for measurements.
Phase Reference
Default: Volts
This is the zero reference for phase angle measurements in each group.
Volts Phase is calculated with respect to the voltage signal on the first channel in
the group
Amps Phase is calculated with respect to the current signal on the first channel in
the group
Low Frequency
Default: OFF
Tick this option if the fundamental frequency is expected to be below 5Hz.
Enter sub menu to specify the frequency
1 - 5Hz - The analyzer will update once per second and a half
< 1Hz - The analyzer will update once every 16 seconds, allowing
measurements down to 0.1Hz.
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 9
MENU SYSTEM
3.2.7 Mode
Default: Normal
This menu contains the special application modes of the PM6000. When selected, the
analyzer will be automatically set to use the optimum measurement techniques for the
waveforms under test
Normal
This is the default operating mode of the analyzer and is ideal for making
measurements in most applications. The frequency will be continuously detected
(unless fixed) and the graph timebase will be set to show two cycles of the
fundamental frequency of the first displayed channel
PWM Output
This mode should be used to analyze the output of electronic motor drives.
The output waveform of a PWM drive is a complex mixture of high and low
frequency components that can be difficult to accurately assess. In this mode, the
data is sampled at high speed but aligned with and over an integral number of
cycles of the low frequency motor frequency. The modulation (or motor)
frequency is specifically detected every few seconds from the voltage signal.
When performing harmonic analysis of PWM motor signals there are several
factors that affect the measurement update rate. The harmonic analysis time
increases as the motor frequency decreases. Since the PM6000 will complete the
analysis of all requested harmonics before measuring the motor frequency,
increasing the maximum harmonic number will make the motor frequency
detection less frequent. As such, if the motor frequency is fluctuating significantly
or if close tracking of the motor frequency is required, then reduce the maximum
harmonic number or turn harmonic results off.
The graph display will attempt to display the modulated waveform for both voltage
and current at the motor frequency
See the Voltech Technical Note 86-165 for a more detailed discussion of the
application
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 10
MENU SYSTEM
Minimum Fundamental Frequency
Default: 5Hz
Set this to allow for the lowest expected fundamental frequency. The
instrument will increase the analysis time so that the lowest frequency can
be detected. The results update rate will be correspondingly affected.
0.1 Hz
1 Hz
5Hz
HF Ballast (AM)
This mode is ideal for making accurate measurements on AM (amplitude
modulated) power signals or signals with fluctuating or unstable frequencies.
These waveforms are found at the output of electronic lighting ballasts, ultrasonic
supplies for cleaning, medical imaging and radio frequency cutting equipment.
The PM6000 sets the sample time to be an integral number of cycles of the
modulation frequency to ensure accurate results.
This frequency can be determined in a number of ways allowing the user
significant flexibility
To minimize the effect of modulation on the results, a Harmonic Scaling
technique is used. This uses the harmonic analysis to compensate for the effect
of the modulation on the harmonic parameters
For more information, see Voltech Application Note 101, part number 98-030
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 11
MENU SYSTEM
Freq source
Default: 50/60Hz
This setup parameter allows the user to control how the instrument
determines the modulation frequency. This is important for AM signals as
the PM6000 will adjust the analysis period to an integer number of complete
cycles to ensure accurate results
From Channel
The modulation frequency can be taken from the detected frequency
of another channel. This channel must be in Normal mode. Available
channels are shown in the selection menu. If the selected channel is
unable to detect a valid frequency then the Ballast mode results will
show invalid results
50/60Hz
When selected the analysis period is set to 300ms ensuring an
integer number of cycles for both 50Hz and 60Hz modulation
Fixed Frequency
If known, the modulation frequency can be entered directly
Harmonic Scaling
Default: ON
This provides a correction for the variation of the signal harmonics due to
the modulation frequency. This only affects harmonic and THD results
The accuracy of the harmonic results improves with increasing number of
harmonics enabled.
It is recommended to set the maximum harmonic number to at least 20
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 12
MENU SYSTEM
IEC Harmonics
The testing of IEC harmonic to the EN 61000-3-2 standard requires Voltech’s IEC
Software for the PM6000. Please contact your local Voltech distributor (see
www.voltech.com) for further information.
IEC Flicker
The testing of IEC flicker to the EN 61000-3-3 standard requires Voltech’s
IEC Software for the PM6000. Please contact your local Voltech distributor
(see www.voltech.com) for further information.
3.2.8 Integrator
Default: OFF
The integrator is used to determine the characteristics of an electrical system over time.
For example, a washing machine consumes different amounts of power at different
times. The energy rating over an operating cycle can be determined using the
integrator.
The PM6000 provides a highly flexible integration system that allows multiple
integrations to be configured and run independently.
Enabling the integrator will display rows for the integration parameters and show results
for each channel in the integrated group
Integration Parameter Row Title
RMS Ampere hours Ahr
RMS Watt hours Whr RMS VA hours VAhr
RMS Reactive VA hours VArh Average RMS power Wav
Average power factor PFav Integration time in hours:min:sec Tint
Table 2 Integration Parameters
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MENU SYSTEM
The integration time is the accumulation of the measurement time and is the time over
which the integration and average parameters are calculated
Integration is enabled on a group basis, but is calculated for each channel in the group.
Where a group has SUM parameters enabled the integration results will be also be
displayed for the summed results
The integration is controlled by either the trigger configuration of keys and system time
or by remote commands
Integrate
Default: OFF
Select to enable the integrator for the group
Trigger
Default: Trigger T2
Each group must be assigned a trigger to determine the start, stop and reset
events. Multiple groups can be assigned the same trigger to synchronize the start
and stop events.
For the integrator function the trigger events have the following effect
START Start or resume the integration
STOP Stop the integration
RESET Clear the integration parameters to zero
See also the Trigger menu (3.2.17)
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 14
MENU SYSTEM
3.2.9 Datalog
The data logging functions allow the user to record a series of results to a file on the
PM6000. Approximately 6Mbytes of non-volatile flash memory is available to the user,
in addition to the floppy drive (if fitted) and the optional internal hard drive.
The data logging is configured in this menu and then started and stopped using the
associated Trigger keys or the timed trigger functions
The output file is named and formatted to allow easy importing into common
spreadsheet programs. A simple comma separated variable (CSV) format is used
throughout
Some thought should be given to the amount of data to be logged, as a fully configured
PM6000 is capable of producing vast number of results. Many spreadsheets have a
limited number of columns or data file size limit. If generating large datafiles, ensure the
spreadsheet application can handle the number of columns and amount of data
generated by the datalog output file
In general, the simplest way to configure datalogging is as follows:-
a. Enable the required results so that they can be viewed on the display
b. Use Format->Display Columns to disable unused columns
c. Enable DataLog->Normal datalogging using the tick softkey
d. Go into the Normal submenus. Only the Log Interval time and File
Location should need adjusting (although the output defaults to internal
memory which is easily accessed by FTP)
e. Press the Data Dump key to start and stop the data log
The following DataLog submenus allow the user to customize the data logging
configuration
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 15
MENU SYSTEM
Normal
Default: OFF
Configures the data logging of numeric results based on the values displayed on
the front panel
When first enabled, a tick will be displayed beside ‘Normal’ on the menu, and the
data-logging configuration will be set to match the measurement configuration of
the instrument
Once enabled, the measurement configuration of groups included in the datalog
will be partially locked to avoid conflicts. Disable DataLog->Normal to make
remove locked menus
It is highly recommended to set up the channels, groups and parameters for the
measurements of interest and turn off the display of columns that are not required
using the Format – Display Columns menu. This will simplify data-logging
configuration
When configuring data logging, please consider the amount of data being
generated. With a larger number of channels, parameters and a short interval
time, very large files can be produced. In particular, ensure that unused channels
and harmonic results are removed from the datalog configuration to keep files
small
Whilst a data log is running, the data log configuration menus are locked and are
shown grayed out. The menus can still be navigated to view the configuration
Channels/Groups/Sum
Default: As Format-Display Columns menu
Select which display columns will become output rows in the datalog file. A
row will be added to the data log file every log point for each display column
selected
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MENU SYSTEM
Parameters
Default: Based on Measurements setup for all channels
Determines which parameters will form the columns of the datalog file.
Headings for the columns will be based on the selections in this menu.
Where channels are not configured to provide a measurement parameter
result, a blank field will be inserted in the data log file to ensure data is
aligned to the parameter header.
Enabling a parameter here will not enable the measurement on the
channels. To do this use the Measure menu and configure the group
measurements as required
Log Interval Time
Default: 0 (Continuous)
Whilst the data logging is running, the Log Interval Time determines the
time period between sets of results being written to the output file. If this
value is zero or below the actual measurement update rate, then results will
be written out as soon as available. The typical update rate is about a third
of a second.
The interval time unit is hours. However, minutes can easily be added by
entering “:” (colon) and then the number of minutes. For example, to log
results every six minutes, the following are both valid
0:6
or
0.1
The minimum interval, other than 0, is 2 seconds or 0.000556 Hours and
can be increased in 1 second intervals. 2 seconds can be entered as
either 0.000556 Hours or 0:0.033.
Trigger
Default: T1
The data logging will only start when a START trigger event is received.
This setting specifies which trigger is used to start and stop the data
logging. Only the START and STOP events apply to data logging; the other
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 17
MENU SYSTEM
trigger events (such as Reset, etc) are ignored. See 3.2.17 for more on
Triggers
File Location
Default: Memory
This menu determines the location of the output file. Select the media and
directory (if any) to create the data log file in. A tick will appear beside the
selected directory
The file will be named using a timestamp format to ensure uniqueness as
follows
YYYYMMDDhhmmss.CSV
Where YYYY is the year
MM is the month
DD is the day of month
hh is hours
mm is minutes
ss is seconds
The Memory option is available on all PM6000 instruments and provides
approximately 6Mbytes of non-volatile file storage. PM6000 instruments can
also fitted with an optional PC Compatible floppy disk drive with a formatted
capacity of 1.44Mbytes. This can be the simplest means of transferring files
to a PC. The optional internal hard disk drive provides large capacity
storage.
Once the data log file is completed, it can be moved around using the
[Data] menu, see 3.2.16 or by means of FTP transfer through a network
connection, see section 5.1 in the Remote Access section
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 18
MENU SYSTEM
3.2.10 Measurement
Select the results to display in the selected group
Use the up / down arrow soft-keys to highlight the choice and enable or disable the
measurement using the key.
Note that to remove a parameter row from the display, the parameter must be disabled
in all groups
For most parameters simply enable the parameter in the list. However some
parameters require further explanation or configuration and these are covered below
Sum
Default: OFF
Display sum quantities for the group of channels. This is only available for
groups with multiple channels. An additional column is displayed to the right of
the group showing the calculated multiphase sum results for relevant parameters
Harmonics
Default: OFF
Enables or disables the harmonic analysis parameters. The sub menus allow the
harmonic components of volts, amps or watts to be configured
Watts Harmonics
Default: ON (overridden by top level harmonic enable)
The magnitude of the Watts harmonics selected are displayed in new rows
for the selected group
Min
Default: 1
The lowest harmonic to display
Max
Default: 7
The highest harmonic to display
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MENU SYSTEM
ODD and EVEN
ODD Only
Default: ODD and EVEN
Determines which harmonics are calculated. Only one of these can
be selected as shown by the tick
Volts Harmonics
The magnitude and phase of the Volts harmonics selected are displayed in
new rows for the selected group. The second and higher harmonic
magnitudes are usually displayed as a percentage of the first harmonic.
Phase angles are referenced to the group phase reference
The sub menu is as for Watts Harmonics
Amps Harmonics
As Volts Harmonics
Phase
Default: 0 to 360
Choose the convention used to display the phase angle. Phase angles may
be displayed as 0 to 360 degrees or -180 to 180 degrees
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 20
MENU SYSTEM
Volts Distortion
Enables or disables the Volts Distortions measurement by using the select key.
NOTE: Harmonics must be enabled. See section above for information on enabling
harmonics. Also, harmonics must be displayed as absolute values, not percentages.
This setting can be changed in the format menu (3.2.11). Also, when change a
distortion measurement selected, you must fix remove the tick next to the current ly
selected measurement, and then select the distortion measurement you want. You will
then need to ensure that the voltage or current distortion is still selected in the
measurement menu.
Default: Volts Distortion Factor
By default, no distortion measurement is displayed. If no measurement is selected in
the sub menus, then it is not possible to select distortion factor at the top level.
Volts Distortion Factor
Default Reference: RMS
Formula:
%100
1
2
01
2
×=
VhVrms
V
Vdf
ref
The number of harmonics used in the calculations is taken from the Volts
Harmonics menu settings.
The Distortion Factor calculation (previously called the Difference Formula)
includes the effects of high frequency and noise. This equation only produces a
valid number if the RMS is not less than the fundamental. If the fundamental is
larger than the RMS the display shows ‘----‘.
Volts THD
THD (Total Harmonic Distortion) is a measure of the distortion of a waveform.
Default Reference: Fundamental
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 21
MENU SYSTEM
Formula:
( )
%100
1
max
min
2
×=
harm
harm
n
ref
Vh
V
Vthd
The maximum number of harmonics used in the calculations is taken from the
Volts Harmonics menu settings. The minimum is always 2.
The THD formula (previously called the Series Formula) will produce more
accurate measurement of distortion for harmonic noise when the THD is less than
5%. When selecting the THD formula, it is important to set the MAX HARMONICS
setting to an appropriately large number to get valid results. The higher the
harmonic count the more accurate the calculation.
Volts TIF
TIF stands for telephone influence factor and is a THD measurement weighted at
frequencies within the bandwidth of a normal telephone circuit. It is a measure of
the how the voltage or current distortion in electrical power circuits might interfere
with adjacent telephone circuits. TIF measurements are a requirement of
standards such as ANSI C50.13 "Rotating Electrical Machinery - Cylindrical-Rotor
Synchronous Generators" and are most often used on standby power generators
and UPS.
The harmonics included in a TIF measurement should be from 1 to 73 odd and
even.
Default Vref: Vrms
Formula:
( )
×=
harm
harm
nn
ref
Vhk
V
Vtif
max
min
2
1
The number of harmonics used in the calculations is taken from the Volts
Harmonics menu settings.
TIF Weighting Factors
Harm k
n
Harm k
n
Harm k
n
1 0.5 21 6050 41 10340 3 30 23 6370 43 10600
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 22
MENU SYSTEM
5 225 24 6650 47 10210
6 400 25 6680 49 9820 7 650 27 6970 50 9670
9 1320 29 7320 53 8740 11 2260 30 7570 55 8090
12 2760 31 7820 59 6730 13 3360 33 8830 61 6130
15 4350 35 8830 65 4400 17 5100 36 9080 67 3700
18 5400 37 9330 71 2750 19 5630 39 9840 73 2190
The weighting factor for harmonics over 73 and for harmonics not included
in the table shall be 0.
Amps Distortion
Enables or disables the Amps Distortions measurement by using the select key.
Default: Amps Distortion Factor
By default, no distortion measurement is displayed. If no measurement is selected of
the sub menus, then it is not possible to select distortion factor at the top level.
Amps Distortion Factor
Default Reference: RMS
Formula:
%100
1
2
01
2
×=
AhArms
A
Adf
ref
The Distortion Factor formula (previously called the Difference Formula)
includes the effects of high frequency and noise. This equation only
produces a valid number if the RMS is not less than the fundamental. If the
fundamental is larger than the RMS the display shows ‘----‘
Amps THD
THD (Total Harmonic Distortion) is a measure of the distortion of a
waveform.
Default Reference: Fundamental
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MENU SYSTEM
Formula:
( )
%100
1
max
min
2
×=
harm
harm
n
ref
Ah
A
Athd
The maximum number of harmonics used in the calculations is taken from
the Amps Harmonics menu settings. The minimum is always 2.
The Total Harmonic Distortion formula (previously called the series formula)
will produce more accurate results for harmonic noise when the THD is less
than 5%. When selecting the THD formula, it is important to set the MAX
HARMONICS setting to an appropriately large number to get valid results.
The higher the harmonic count the more accurate the calculation.
Amps TIF
TIF stands for telephone influence factor and is a THD measurement
weighted at frequencies within the bandwidth of a normal telephone circuit.
It is a measure of the how the voltage or current distortion in electrical
power circuits might interfere with adjacent telephone circuits. TIF
measurements are a requirement of standards such as ANSI C50.13
"Rotating Electrical Machinery - Cylindrical-Rotor Synchronous Generators"
and are most often used on standby power generators and UPS.
The harmonics included in a TIF measurement should be from 1 to 73 odd
and even.
Default Aref: Arms
Formula:
( )
×=
harm
harm
nn
ref
Ahk
A
Atif
max
min
2
1
The number of harmonics used in the calculations is taken from the Amps
Harmonics menu settings.
TIF Weighting Factors
Harm k
n
Harm k
n
Harm k
n
1 0.5 21 6050 41 10340
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 24
MENU SYSTEM
3 30 23 6370 43 10600 5 225 24 6650 47 10210
6 400 25 6680 49 9820 7 650 27 6970 50 9670
9 1320 29 7320 53 8740 11 2260 30 7570 55 8090
12 2760 31 7820 59 6730 13 3360 33 8830 61 6130
15 4350 35 8830 65 4400 17 5100 36 9080 67 3700
18 5400 37 9330 71 2750 19 5630 39 9840 73 2190
The weighting factor for harmonics over 73 and for harmonics not included in
the table shall be 0.
Volts Peak and Amps Peak
(Updated on version 1.12.05 of the firmware)
On previous products, the Volts peak and the Amps peak readings return the
absolute maximum reading due the measurement period. This reading can be
either positive or negative. In most applications, this is still the value required.
In applications where there is n AC signal superimposed on a DC level, it can be
useful to know the positive or high peak and the negative or low peak. The
positive peak is the most positive value recorded, while the negative peak is the
most negative value recorded.
For example, if there is a 1VDC signal with a 4Vp-p AC waveform on top of it,
then the positive peak would be +3V and the negative peak would be -1V. The
absolute peak would be +3V. However, if the DC level was changed to +4V, then
the positive peak would be +6V and the negative peak would be +2V.
For both voltage and current, the absolute, the positive and the negative peaks
can be displayed.
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MENU SYSTEM
MAX / MIN Hold
Select MAX Hold and / or MIN Hold as required. The maximum and / or minimum
measurement is displayed in a new column adjacent to the relevant results
column. Any averaging is applied to the channel results prior to comparing with
the MIN/MAX Hold values, so the Averaging Depth should be considered when
configuring a measurement. To detect fast or transient values set the averaging
depth to 1.
The [RESET / CLEAR] key is pressed to reset the held measurements.
For harmonic results the MIN/MAX result is determined by the magnitude
component of the complex harmonic result. The reported MIN/MAX angle is the
angle of the complex harmonic result that set the MIN/MAX magnitude, and as
such it will not necessarily be the MIN/MAX angle.
For example, to measure the inrush current (the current drawn at switch-on) of a
power supply
Select Apk, MIN HOLD and MAX HOLD from the measurement list
Then, in the [RANGE] menu, select ‘Auto Up Only’
Set the averaging to 1. (See the [Format] > [Averaging] menu below).
Now switch on the supply to the load and the peak inrush current will be
displayed
Repeat the measurement to capture the worst case current, since the peak
current will vary with the point in the voltage cycle at which the supply is
connected
See also
Voltech PS1000 Inrush Switch data sheet. (This accessory greatly
simplifies inrush testing).
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 26
MENU SYSTEM
3.2.11 Format
This menu is used to set the general display features
Zoom
Zoom may be 1, 2 or 3 columns. Zoom 1 displays one column only. The display
fonts are scaled automatically. 1 = largest font.
Averaging
This menu configures how the instrument averages results. Results are returned
from the measurement channels typically every 300ms unless in a low frequency
mode. For an averaging depth of 16, it will take approximately 5 seconds to report
a fully averaged result. Increasing the averaging depth will reduce noise on the
result, at the cost of time.
Auto
Default: ON
Auto averaging means that the analyzer will automatically reset the
averaging queue if a significant change of signal is detected. This produces
the fastest response to changes for measurements of the steady state
value
Fixed
Default: OFF
The fixed mode stops the averaging queue from being automatically reset.
Use this to average a signal that will significantly change.
Depth
Default: 16
The averaging depth is the number of readings used to return the displayed
result. It may be set to any value from 1 to 64.
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MENU SYSTEM
Display Columns
This menu may be used to enable and disable the display of columns. This is
most useful when for example, it is important to view sum columns side by side.
This setting is also used to determine the printed columns (see Print section
3.2.27) and the columns used for data logging (see DataLog section 3.2.9)
Math
This menu provides access to the formula editor of the PM6000.
Any combination of parameters may be used and manipulated to provide a new
measurement. An example of this the calculation of efficiency based on different
watts measurements. The new math measurements are shown in a new 'math'
column on the display.
Before starting to enter equations, ensure all relevant parameters are selected
using the Measurements menu. If you use a parameter that is not selected, then
an error message will appear, and you will be prompted as to whether you would
like to enable the unselected parameters that you have used in the formula.
Conversely, if you deselect a parameter in the Measurements Menu, then a
warning will be displayed says that that the parameter you are deselecting is
used in a math function. At this point you will be able to cancel the deselection.
If you do not cancel the deselection, then the rows in which that parameter is
used will display "----".
To enter and display a math measurement, choose a function (e.g. Math Fn1)
and then press the Down Menu soft-key ( ).
To change the name of the Math function as it appears on the screen, select the
Edit Name option. Up to 4 characters may be entered. Those characters may be
numeric, operators, or measurements that are currently available on the display.
Numeric characters are the numbers 0 to 9 plus the decimal point with up to 6
significant figures.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 28
MENU SYSTEM
To enter a formula, select the Edit Function option. A dialog entry box will appear
into which you enter a formula. The formula entered must be consistent with the
following rules:
1. Valid character are A-Z, a-z, 0-9, (, ), [, ], +, -, *, /, ^, :, and _.
2. No more than 255 characters can be used.
3. The number format is [+/-]<decimal digits] [E[+/-]exponent]
4. The valid channel parameters are CH<1-6> followed by ":" and then one of the
following parameters:
VRMS Volts RMS ARMS Amps RMS
W Watts FREQ Frequency
VA Volt-Amps VAR Volt-Amps Reactive
VDC Volts DC ADC Amps DC
VRMN Rectified Mean Volts ARMN Rectified Mean Amps
PF Power Factor VPK Volts Peak (absolute)
VPKP Volts Peak (positive) VPKN Volts Peak (negative)
APK Amps Peak (absolute) APKP Amps Peak (positive)
APKN Amps Peak (negative) VCF Volts Crest Factor
ACF Amps Crest Factor Z Impedance
WF Fundamental Watts VARF Fundamental Volt-Amps
Reactive
VF Fundamental Volts AF Fundamental Amps
PFF Fundamental Power Factor R Resistance
X Reactance VDF Voltage Distortion Factor
VTHD Voltage Total Harmonic
Distortion
VTIF Voltage Telephone Influence
Factor
ADF Current Distortion Factor ATHD Current Total Harmonic
Distortion
ATIF Current Telephone Influence
Factor
VHM<1-99> Voltage Harmonic Magnitude
(1-99)
VHA<1-99> Voltage Harmonic Angle (1-
99)
AHM<1-99> Current Harmonic Magnitude
(1-99)
AHA<1-99> Current Harmonic Angle (1-
99)
WHM<1-99> Watts Harmonic Magnitude
(1-99)
VRNG Voltage Range ARNG Current Range
AHR Ampere Hours WHR Watt Hours
VAHR VA Hours VARH VAr Hours
WAV Watts Average PFAV PF average
TINT Integration Time
5. The valid group parameters are GRP<A-F> followed by ":SUM:" and then one of the
following parameters:
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 29
MENU SYSTEM
VRMS Volts RMS ARMS Amps RMS
W Watts VA Volt-Amps
VAR Volt-Amps Reactive PF Power Factor
AHR Ampere Hours WHR Watt Hours
VAHR VA Hours VARH VAr Hours
WAV Watts Average PFAV PF average
TINT Integration Time WF Fundamental Watts
VF Fundamental Volts AF Fundamental Amps
VARF Fundamental Volt-Amps
Reactive
PFF Fundamental Power Factor
6. Operators available from the front panel keyboard are:
+ - x / ( ) [ ]
X2 {shown as ^2 and will square the preceding number}
10x {shown as x10^ and will multiply the preceding number by 10 to the
power of the following number)
Xy {shown as ^ and will take the preceding number to the power of the
following number}
Ex {shown as *e^ and will multiply the preceding number by e to the power
of the following number)
{shown as SQRT() and will take the square root of the number between
the brackets}
7. Operators that may be typed:
SIN(), COS(), TAN() {which take an angle in degrees which is between the
brackets and return its sine, cosine or tangent)
ASIN(), ACOS() {which take a number between -1 and 1 which is between
the brackets and return an angle in degrees}
ATAN() {which takes a number that is between the brackets and return an
angle in degrees}
LN(), LOG() {which returns the logarithm of the number between the
brackets. LN is log to the base e, LOG is log to the base 10}
8.Constants that may be typed:
PI() (3.14159)
Some examples are:
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 30
MENU SYSTEM
1. CH1:VRMS (returns the channel 1 RMS volts)
2. CH1:VRMS * SQRT(3) (returns the channel 1 RMS volts * root 3)olts
3. CH1:VRMS * CH1:ARMS (returns the channel rms V * rms A)
4. GRPA:SUM:VRMS (returns the group A sum rms Voltage)
The formula will be checked for validity only when OK is selected. If there is an
error, then an error message will be displayed. If there are no errors then a
dialog box will be displayed showing the calculated value.
If the math result is invalid (e.g. infinity because of a divide by zero) the display
will show 4 dashes.
Blanking
Default: ON
When blanking is enabled the analyzer displays '0' when the measurement is less
than 5% of range. When disabled results will be displayed down to the displayed
resolution, which may be measurement noise
Grid
Default: ON
Toggles the display of the grid for measurements
Harmonic Results as Percent
Default: ON
When enabled magnitude results for all harmonics other than the fundamental will
be displayed as a percentage of the fundamental.
When disabled each harmonic magnitude will be displayed in the normal units of
V, A or W
3.2.12 Graph
This menu is used to control the display of waveforms and other graphics.
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 31
MENU SYSTEM
View
Default: Split
The view of the graph may be split screen (half screen), full screen or removed
from the display
Format
Waveform
Items
Default: CH1:V and CH1:A
Choose the items to display as a waveform.
The graph time base will be determined by the frequency of the first
item displayed
Up to 6 may be shown at one time.
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3.2.13 Config
Load
This menu provides the functionality that enables users to load a previously saved
configuration. For information on how to save the configuration, please see Save
below.
Ten quick access configurations are listed on this menu. Users can load the
configuration from any of the ten positions if there is a configuration exists. When one
of the items selected, the system settings will be restored to the configuration selected.
The File Location menu shows the configuration files that exist on the file systems
(Memory, Floppy Drive (if fitted) and Hard Drive (optional)). After selecting one of the
files, the configuration in that file will be loaded into system, all the system settings will
be updated.
A tick will appear besides the current system configuration item or file and the
directories where the file locates in, to indicate the location of the current system
settings.
Save
The PM6000 provides two ways of storing user configurations; 10 user configurations
and File Location. The Save menu provides the functionality that enables users to save
how they have set up the PM6000. The ten quick access configurations are listed on
this menu as well as the File Location option.
10 user configurations
Users can save their current system configuration in any of the ten positions.
When one of the item is selected, a dialog window will pop up ask for a user-
friendly name for the configuration. The last used configuration name displays in
the edit box as a default text. All settings will be stored when a configuration is
saved. These ten positions can be reused to save different configurations.
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File Location
Alternatively, the File Location option allows the user to save the configuration
into files on any of the three media (Memory, Floppy Drive (if fitted) and Hard
Drive (optional)). Select the media and directory (if any) to save the
configuration files in. Select ‘Add a new file…’ in any of the directories and a
dialog window will pop up ask for a meaningful name for the configuration to be
saved. After pressing the OK soft key, a file name will be produced
automatically, which will be the configuration name with the ‘.p6c’ extension and
all the space character will be replaced with ‘_’ character.
Once the configuration file is saved, it can be moved around using the [Data]
menu (see section 3.2.16) or by means of FTP transfer through a network
connection (see section 5.2).
Reset Default
Returns the PM6000 to default settings, with the exception of interface configuration
View Settings
Displays the settings for each group of the PM6000
View Hardware
Displays the type, serial numbers and calibration status of the PM6000's hardware. The
firmware version of the PM6000 is also shown. It is important to provide the information
displayed here when reporting application queries
Config Clock
Set the date and time for the PM6000's internal clock that is displayed in the bottom
right corner of the screen.
When prompted to enter dates or times, the keypad will be put into character mode to
allow entry of letters and numbers.
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Note that to avoid confusion of date format, the month should be entered as the first
three letters of the month. E.G. AUG for August
A colon ‘:’ is used between time and date elements, and this is on the [PRINT] key
beside the [SHIFT] key.
Date format: dd:mmm:yy (mmm are letters)
Time format: hh:mm (24h clock)
Config Zero
This menu may be used to cancel the effects of small amounts of DC offset in the
measuring circuits
Auto Zero
Default: ON
The PM6000 will automatically measure internal zero offsets and cancel them.
This process is repeated automatically every minute to ensure the best possible
measuring performance. It will however cause a short pause in measurements
whilst the zeroing process is performed. If this interruption causes a problem,
select OFF for the duration of the measurement.
Config Beeper
The internal beeper of the PM6000 may be used to emphasize important key actions
and warnings. If operator safety or damage to the analyzer is possible, the ON / OF
setting of the beeper is ignore
On/Off
Default: ON
Switch the beeper on or off
Volume
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Default: 3
Adjust the beeper volume. 1= Min. 4 = Max.
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System Upgrade
The ‘System Upgrade’ menu function restarts the PM6000 in a special
maintenance mode needed to allow the upgrade application to install the new
files.
See section 9.4 for further information on upgrading the firmware in a PM6000.
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3.2.14 Interface
This menu is used to configure the control interfaces of the PM6000
Serial
RS232
The RS232 port is a standard PC type 9 way male D-type located on the rear of
the instrument and may be used for remote control of the PM6000. A null modem
cable should be used.
The RS232 port uses 8 bit, no parity, one stop bit and hardware flow control.
Baud Rate
Default: 9600
The baud rate must be matched to the host controller baud rate. An
instrument reset does NOT affect this setting. However, the firmware
upgrade may return this to the default.
Options
Echo
Default: ON
This setting determines if the PM6000 should echo all received characters
back to the host. This is the most useful setting for simple remote
commands through a terminal emulator. For more complex remote
programming, it is advisable to disable this. This can be done via the
remote command CFG 275.
Ethernet
The PM6000 may be connected to a network for transferring data files and for
maintenance activities such as firmware upgrade.
In order to transfer files with the PM6000, the network connection must be established
using the settings described below. Once a valid IP address is obtained or set, an FTP
(File Transfer Protocol) connection can be made to the PM6000, giving access to the
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user data areas of the PM6000 file system. See Section 5.2 for more information on
using FTP.
Set IP using DHCP
Default: ON
Dynamic Host Configuration Protocol (DHCP) is a standard TCP/IP protocol
designed to reduce the complexity of administering address configurations by
using a server computer to centrally manage Internet Protocol (IP) addresses and
other related configuration details on a network
When the PM6000 is connected to a network with a DHCP server then the
PM6000 can determine its network settings automatically. It does this during the
power up sequence or when this menu item is selected. If no IP address is shown
in the View Settings dialog then repeat the selection of Set IP using DHCP soft
key to repeat the attempt to acquire network settings.
This is the recommended setting for simplest use of an Ethernet network
Fix IP Address
If unable to configure the network settings by DHCP, then these menus provide a
way to enter an IP address, Subnet Mask and Default Gateway address. Contact
your network administrator for the appropriate settings
View Settings
Displays the network settings. This provides confirmation of the current settings
Parallel
This is a standard Centronics interface dedicated to printing and has no user
configuration.
PCMCIA
See section 6.2 (PCMCIA Cards) for more information on using this interface.
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3.2.15 Printing
There are currently no user specified parameters for printing. See the [Print] key
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3.2.16 Data
This menu provides access to the user file system on the PM6000
It displays the available storage media and allows the user to organize files including
creating and moving between directories. It also allows moving files between media
such as floppy drive (if fitted) and hard drive (grayed out if not fitted). A PC keyboard
may be attached to allow simpler entry of file or folder names
The soft keys are used to navigate and manage the file systems. In addition to the
standard soft keys, the following will be seen
More
Changes the soft keys to show other functions. Press again to cycle through
options
Delete
Deletes the currently selected file or directory
Rename
Changes the name of the selected file or directory
Copy
Starts the process of copying the selected file or directory. After pressing the
key, navigate to the destination directory and press Paste
Paste
Completes the copy process. The user is prompted for the new file or folder
name. A prompt will be shown confirming to copy process is complete
New Dir
Creates a new directory/folder in the current directory
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Configure
Format Floppy Disk
If the floppy drive is fitted and a disk is present, this provides the facility to format
a floppy disk. This will destroy all contents of the disk. The format is PC
compatible allowing easy transfer between PM6000 and PC
3.2.17 Trigger
Six trigger configurations (T1 to T6) are available which may be set up in separate
ways such that different events trigger different actions. Trigger events may be front
panel keys, time based or remote controlled
This menu is used to configure triggers. Use the ‘cycle’ soft key to select the trigger to
configure. To associate a trigger with a particular function, select the trigger in the
relevant function menu
The default trigger configurations will be suitable for most measurements. For example
the Trigger T2 is primarily for use with the Integrator function and is defined as follows:-
Trigger T2
Start – [Integ Run]
Stop – [Integ Run]
Pause – [Hold] (Not used by the Integrator function)
Reset – [Reset / Clear]
Trigger T1 to T6
Each trigger action may be allocated to an event, such as a key press or time.
To set up the trigger T1 to T6, first select the action (e.g. start or stop) that you want the
trigger to perform, and then allocate the event (e.g. key press) that will cause the
trigger to act
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Trigger actions are
Start
Stop
Pause
Reset
Timed
Keys that can be allocated are:
[Data Dump]
[Integ Run]
[Print]
[Enter]
[Reset / Clear]
[Hold]
Trigger T1 to T6 Timed
The triggers can be set up to start and stop at a particular date and time, and to trigger
at a particular interval. When prompted to enter dates or times, the keypad will be put
into character mode to allow entry of letters and numbers.
A start time and date as well as an end time and date need to be entered. Each value
is entered separately. The end time and date must be after the start time and date for
the trigger to run, but the PM6000 will let you enter an end date and time that are
before the start date and time in order allow for one date being entered before another.
Note that to avoid confusion of date format, the month should be entered as the first
three letters of the month. E.g. AUG for August.
A colon ‘:’ is used between time and date elements, and this is on the [PRINT] key
beside the [SHIFT] key. Interval time can be entered in several formats and will be
converted to a decimal number of hours (Interval used only for DataLog functions)
Date format: dd:mmm:yy
Time format: hh:mm (24h clock)
Interval format: hh:mm:ss or decimal hours
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The minimum interval is 2 seconds or 0.000556 Hours and can be increased in 1
second intervals. 2 seconds can be entered as either 0.000556 Hours or 0:0.033.
3.2.18 Self Test
It is not normally necessary for the user to perform any self-tests on the PM6000.
However, you may be asked to perform some of them in response to an application or
service enquiry. Several of the tests require specific external equipment and so tests
should not be attempted unless instructed to do so. However none of the self-tests will
damage or adversely affect the instrument.
Instructions for carrying out each test are displayed whenever that test is selected.
Should any of the tests fail, please ensure that the instructions displayed have been
carried out carefully before contacting your supplier for advice.
3.2.19 Menu
If no menu displayed, then the [MENU] key displays the top-level menu providing an
alternative access to all the menu items in this section.
The [MENU] key also acts as a way to remove the menus from the display
3.2.20 Help
This is the home page of the help system.
To switch the display of help ON or OFF, press the [HELP] key
3.2.21 User
This is for future development
3.2.22 Menu 1, 2, 3
The [Menu 1], [Menu 2] and [Menu 3] keys may be used to store and recall your own
menu short cuts.
If there is a particular menu that you wish to return to frequently, navigate to that menu
and then press and hold the Menu 1, 2, or 3 key for more than 1 second.
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Next time that you press the Menu 1, 2, or 3 key for less than 1 second you will be
taken directly to the stored menu short cut.
3.2.23 HOLD
This programmable key may be used to initiate a trigger. (See the trigger overview)
Press this key to freeze the display. This is useful when you wish to examine different
measurements that were taken at exactly the same time. When the [HOLD] key is
pressed ‘HOLD’ is displayed in the top right corner of the screen, all measurements are
frozen and the screen can be scrolled to view all the measurements that were taken at
the time the [HOLD] key was pressed.
Press the [HOLD] key again to update the display
3.2.24 RESET / CLEAR
This programmable key may be used to initiate a trigger. (See the trigger overview)
By default, [RESET / CLEAR] will clear stored MAX / MIN values and integrator
measurements.
This key will always cause the measurement sample to be restarted. This can be useful
when making low frequency (<10Hz) measurements with long sample times.
There can be a short delay of several seconds whilst the instrument functions are
restarted
3.2.25 INTEG RUN
This programmable key may be used to initiate a trigger. (See the trigger overview)
By default, the [INTEG RUN] key is used to start and stop the integrator.
3.2.26 DATA DUMP
This programmable key may be used to initiate a trigger. This is typically assigned to
the Data Log function, but may be used by any triggered process. (See the trigger
overview)
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3.2.27 PRINT
This programmable key may be used to initiate a trigger. (See the trigger overview)
By default, the [PRINT] key is used to start printing. When pressed, the LED will briefly
flash as the data is formatted and sent to the printer driver for printing.
The PM6000 supports ASCII/ MSDOS compatible printers connected to the parallel
port using a standard PC Parallel printer cable. The printout is formatted for 80-
character page width, and so a printer with at least 80 character width will produce best
results
Results for all currently enabled parameters and channels will be printed, along with
instrument information, time and date.
Columns can be disabled or enabled for printing using the Display Columns menu (see
Format section 3.2.11)
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4. REMOTE OPERATION
4.1. OVERVIEW
Using the remote commands the PM6000 can be used to perform high speed, complex
or repetitive measurements. Many of the PM3000 commands are supported although
the increased flexibility of the 6-channel PM6000 design brings the new concept of
multiple groups of channels.
Many of the functions apply to the currently selected group of channels. By default,
each measurement card is grouped individually. Read the section on Wiring for further
discussion on groups.
4.2. INTERFACING WITH GPIB SYSTEMS
The PM6000 remote commands are compatible with IEEE488.2. However a hardware
GPIB interface is not provided. Commercially available GPIB to RS232 converters can
be used to provide connection to GPIB control systems. One example is the National
Instruments GPIB-232CV-A that has been reliably used with the PM6000 at 38400
baud. Refer to the National Instruments documentation for more details.
4.3. INTERFACING WITH RS232 SYSTEMS
The RS232 port is a standard PC type 9 way male D-type located on the rear of the
instrument and may be used for remote control of the PM6000. A null modem cable
should be used.
The RS232 port uses 8 bit, no parity, one stop bit and hardware flow control.
See section 8.4.1 for a detailed pin description of the RS232 connector.
See section 3.2.14 for details on the interface menus.
NOTE: To avoid any communications problems, a delay of 250mS should be included between each command sent to the PM6000.
4.4. INTERFACING WITH ETHERNET SYSTEMS
You can remote control your PM6000 through Ethernet port by using the Microsoft
Telnet Client.
On Windows XP, click Start > Run and type telnet xxx.xxx.xxx.xxx where
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xxx.xxx.xxx.xxx is the IP address of the PM6000. (see section 3.2.14 on how to
obtain the Ethernet IP address).
At the login: prompt type:
pm6coms
You should see a response from the instrument, such as:
Welcome to Voltech PM6000 Power Analyzer
PM6000>
Enter commands for the PM6000 after the 'PM6000>' prompt.
To finish the remote control by enter command:
Exit
Note: During Ethernet connectivity all write commands have a return string sent back containing a space. Therefore during programming a receive buffer flush is required
after every write command.
4.5. REMOTE COMMAND SYNTAX AND CONVENTIONS
The following conventions are used for command syntax
Square brackets indicate optional parameters or keywords [ ]
Triangle brackets indicate values to be specified < >
Vertical bar indicates the choice of parameters |
Commands and responses are sent as ASCII strings terminated with a carriage return
(ASCII 13). The PM6000 is not case sensitive and white space characters are ignored
except where required between command and parameter.
Multiple commands can be sent in a single string where a ‘;’ character is used at the
end of each command.
The PM6000 will respond to invalid commands by adding an error message to the error
queue. It is recommended that the error queue is checked after issuing command
sequences by using the SYST:ERROR queries to ensure successful configuration
PM6000 will always replys at least one char to the clinet socket.
During Ethernet connectivity all write commands have a return string sent. If the
command that the client socket sent to the PM6000 was a asking command (e.g.
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:BRF?), then the return string is the results were asked. If the command is a configure
command (e.g. :SEL:VLT) that no result was asked, PM6000 will send a " " (a space)
as the reply. Thus in your program, writing a configure command must followed by a
read (i.e. during programming a receive buffer flush is required after every write
command), otherwise all the " " chars will prefixed the next real result, that will cause
error in the results process methods.
4.6. STATUS REPORTING
The PM3000 had four status bytes used to determine the overall status of the
instrument. These have also been included in the PM6000, although the background
status register and display data status register are effectively the same because in the
PM6000 there are not separate averaging buffers for both remote commands and the
display.
4.6.1 Status Byte Register
This register is read using the “*STB?” command. A value is returned representing a bit
pattern. Each bit represents a condition
Bit Condition Description 0 DAS Summary bit for data status 1 BAS Summary bit for data status. This condition is exactly the
same as DAS on the PM6000, but is preserved for
backwards compatibility
2 3 4 MAV Always 0 for RS232 5 ESB Summary bit for data status 6 MSS Master summary status, set if any of the other bytes in the
register have been set and their corresponding bit in the
service request enable register is also set
7
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4.6.2 Background and Display Status Register
In the PM3000 these were separate status registers. In the PM6000 the same register
is used. Both the “:BSR?” and “:DSR?” commands read from this register.
Bit Condition Description 0 DVL Set when data is available 1 NDV Set when data is available 2 AVF Set to when the averaging buffer is full to the specified
depth
3 OVV Set when a voltage over range has occurred 4 OVA Set when a current over range has occurred 5 6 7
4.6.3 Standard Event Status Register
This register is read using the “ESR?” command.
Bit Condition Description 0 OPC Set after a *OPC command has been received, once all
messages sent have been processed
1 2 QRE Un-terminated query error 3 4 EXE Execution error. A command parameter was invalid or out
of range
5 CME Command error. The command was not recognized 6 7
4.7. IEEE488.2 COMMON COMMANDS
4.7.1 *CLS Clear event status
Format:
*CLS
Return
format:
None
Description: Clears the standard event status register to 0
4.7.2 *ESE Set standard event status enable register
Format:
*ESE <flags>
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flags = value for enable register as a
decimal 0 – 255
Default: 255 Description: Sets the bits that are enabled in the standard event status
register. The status enable register uses the same bit
definitions as the standard event status register
4.7.3 *ESE? Read standard event status enable register
Format:
*ESE?
Return
format:
0 - 255
Description: Returns the value in the standard event status enable
register
4.7.4 *ESR? Read event status register
Format:
*ESR?
Return
format:
0 - 255
Description: Returns the value in the standard event status register,
AND’ed with the value in the standard event status enable
register. The event status register is cleared once it has
been read
4.7.5 *IDN? Unit Identity
Format:
*IDN?
Return
format:
VOLTECH, PM6000, Serial Number, Firmware Version
Description: The serial number returned is the chassis unit serial
number
4.7.6 *OPC Initialize Operation Complete Function
Format:
*OPC
Return
format:
None
Description: Enables OPC bit to be reported in the standard event
status register
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4.7.7 *OPC? Flag when Operation Complete
Format:
*OPC?
Return
format:
1
Description: Returns once the OPC bit is set in the standard event
status register, indicating that the PM6000 has finished
processing commands
4.7.8 *RST Reset Device
Format:
*RST
Return
format:
None
Description: Resets the unit configuration to default values (performs
the same action as Reset Defaults menu option on the
front panel)
4.7.9 *SRE Set Service Request Enable Register
Format:
*SRE <flags>
flags = value for enable register as a
decimal 0 – 255.
Return
format:
None
Description: Sets the bits that are enabled in the status byte register.
The service request enable register uses the same bit
definitions as the status byte register with the exception of
the MSS bit.
4.7.10 *SRE? Read Service Request Enable Register
Format:
*SRE?
Return
format:
0 – 255
Description: Returns the value in the service request enable register.
4.7.11 *STB? Read Status Byte
Format:
*STB?
Return 0 - 255
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format: Description: Returns the value in the status byte, masked by the service
request enable register. Once read, the status byte is
cleared to 0.
4.7.12 *TRG Trigger
Format:
*TRG
Return
format:
None
Description: Used to trigger a measurement when in single
measurement mode.
4.7.13 *TST? Report Self Test
Format:
*TST?
Return
format:
None
Description: Always returns 0 for the PM6000.
4.7.14 *WAI Wait for Operation
Format:
*WAI
Return
format:
None
Description: Waits for the operation complete bit in the standard event
status register to be set.
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4.8. FORMAT COMMANDS
4.8.1 :AVG Set Averaging
Format:
:AVG:FIX <depth>
:AVG:AUT <depth>
:FIX – set fixed averaging
:AVG – set auto averaging
depth – averaging buffer depth
(integer between 1 – 64)
Return
format:
None
Description: Sets up the averaging buffer for the measurements made
by the PM6000. The sample period is approximately a third
of a second so for an averaging buffer depth of 16, the
buffer will fill in around five seconds. When in ‘auto’ mode,
the buffer will be cleared if a significant change in value is
detected. This has the effect of minimizing the drift
between values. It will however affect the use of the
Average Buffer Full status bit, as this will only be set when
the buffer has valid values to its full depth. If this status bit
is being polled, it is recommended to use fixed averaging
mode.
The averaging buffer can be cleared using the RAV
command
When the averaging buffer is full, bit 2 of the display status
register becomes true
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4.8.2 :BAL AM/Ballast Mode
Format:
:BAL:ENB
:BAL:DIS
Description: Enable AM/Ballast mode for the currently selected group.
When this mode is enabled, the filter is automatically set to
2MHz, and set for 50/60Hz modulation
Format:
:BAL:50H
:BAL:60H
Description: Configure the mode for 50/60Hz modulation
Format:
:BAL:FIX <freq>
Where <freq> is 5.0 to 10000 Hz
Description: Set to a fixed modulation frequency. The frequency is a
decimal frequency
Format:
:BAL:SRC <ch>
Where <ch> is 1 to 6
Description: Set to use the detected frequency from the specified
channel. The specified channel must be in normal mode
Format:
:BAL?
Return
format:
5060Hz or FIX,<freq> or SRC,<ch>
Description: Returns the Ballast frequency source of the currently
selected group. Only responds if Ballast mode enabled
4.8.3 :BRD? Read Background Data
Format:
:BRD?
:BRD:CH<ch>?
:BRD:GRP<group>?
:BRD:SUM?
:BRD:GRP<group>:SUM?
:BRD:ALL?
Where <ch> is a channel number 1 to 6
Where <group> is a group number 1 to 6
Return A number floating point values depending upon selection.
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format: By default, a newline is sent after every 8 comma
separated values. Continuous comma separated values
can be specified by issuing a :CFG 276,1 command
Description: The BRD command actually reads from the same results
buffer as the FRD command. It differs from FRD in that
BRD returns all the enabled harmonic results, whereas
FRD returns results only for the currently selected
harmonic (see :HRM command)
If no secondary command is sent, results for all selected
channels are returned.
:BRD:CH<ch>? Results for specific selected channel are
returned.
:BRD:GRP<group>? Results for all the channels of the
specific selected group are returned.
:BRD:ALL? Results for all channels are returned.
The results to be returned are selected using the :SEL
command.
Once results are available, they are returned in floating
point format with up to 8 values on each line. Results are
returned in the following order. If the result has not been
selected, it will just be skipped.
Watts, VA, VAr, Vrms, Arms, PF, Vpeak, Vpeak(positive),
Vpeak(negative),Apeak, Apeak(positive), Apeak(negative),
Vcf, Acf, Imp, Vdf, Adf, Freq, Vmean, Amean, Fund Watts,
Fund VA, Fund VAr, Fund V, Fund A, Fund PF, R, X, Fund
Vmean, Fund Amean, VDC, Voltage harmonics (magnitude
& phase), ADC, Current harmonics (magnitude & phase),
Watts harmonics (magnitude only), Sum results for
selected group, Vthd, Athd, Vtif, Atif.
When returning harmonics, the DC value (harm 0) is first
returned if AC+DC coupling is set. If odd and even
harmonics have been selected, all the harmonics up to the
maximum will be sent. If only odd is selected, all the odd
harmonics up to the maximum will be sent.
:BRD:SUM? The sum results returned are those for the
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group currently selected (see 4.11)
:BRD:GRP<group>:SUM return the sum results of the
specific group.
The sum results only can be return when was enabled by
the :SEL:SUM command and the group with more than one
channels
4.8.4 :BRF? Read Background Data Selected Fields
Format:
:BRF?
:BRF:CH<ch>?
:BRD:GRP<group>?
:BRF:SUM?
:BRD:GRP<group>:SUM?
:BRF:ALL?
Where <ch> is a channel number 1 to 6
Where <group> is a group number 1 to 6
Return
format:
A number of parameter names depending upon selection.
Up to 8 values on each line.
Description: The BRF command returns the field names that would be
returned by the BRD command. This can be used to
confirm the selected parameters.
4.8.5 :BSE Set Background Data Status Enable Register
Format:
:BSE <flags>
flags = value for enable register 0 -
255
Return
format:
None
Description: Sets the bits that are enabled in the background and
display status register. In the PM6000 there is only one set
of results, but the background results commands are
included for backwards compatibility. Command has
exactly the same functionality as :DSE
4.8.6 :BSE? Read background Data Status Enable Register
Format:
:BSE?
Return
format:
0 – 255
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Description: Returns the value in the data status enable register.
Command has exactly the same functionality as :DSE?
4.8.7 :BSR? Read background Data Status Register
Format:
:BSR?
Return
format:
0 – 255
Description: Returns the value in the data status register, AND’ed with
the value in the data status enable register. The data status
register is cleared once it has been read. Command has
exactly the same functionality as :DSR?
4.8.8 :CFG Configure
Format:
:CFG <prog>, <data>
Return
format:
None
Description: See the Configuration Commands section below for valid
prog and data settings.
4.8.9 :CFG? Read Configuration
Format:
:CFG? <prog>
Return
format:
Integer or floating point as appropriate.
Description: Returns the configuration of the PM6000. See the
Configuration Commands section below for valid prog
settings.
4.8.10 :CPL Set AC/DC Coupling
Format:
:CPL:+DC
:CPL:-DC
:+DC – sets AC+DC coupling
:-DC – sets AC only coupling
Return
format:
None
Description: Sets the coupling for the group currently selected.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 12
MENU SYSTEM
4.8.11 :DSE Set Data Status Enable Register
Format:
:DSE <flags>
Default: 255 Description: As for :BSE above.
4.8.12 :DSE? Read Data Status Enable Register
Format:
:DSE?
Return
format:
0 – 255
Description: As for :BSE? Above
4.8.13 :DSR? Read Data Status Register
Format:
:DSR?
Return
format:
0 – 255
Description: As for :BSR? Above.
4.8.14 :DVC Device Clear
Format:
:DVC
Return
format:
None
Description: Performs a soft reboot.
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MENU SYSTEM
4.8.15 :FNC? Read Result
Format:
:FNC:CH<ch>:<func>[:MIN|MAX]?
ch – 1 to 6
:FNC:SUM:<func>[:MIN|MAX]?
Func can be one of
WAT – Watts
VAS – VA
VAR – VAr
VLT – Vrms
AMP – Arms
PWF – Power factor
FRQ – Frequency
VPK – Volts peak (absolute)
VPKP - Volts peak (positive)
VPKN - Volts peak (negative)
APK – Amps peak (absolute)
APKP - Amps peak (positive)
APKN - Amps peak (negative)
VCF – Volts crest factor
ACF – Amps crest factor
IMP – Impedance
WHR – Watt-Hrs (Integrator result)
VAH – VA Hours (Integrator result)
VRH – VAr Hours (Integrator result)
AHR – Amp Hours (Integrator result)
APF – Average power factor
(Integrator result)
TIM – Integrator time elapsed in hours
(Integrator result)
VDF – Volts distortion factor
VTHD – Volts Total Harmonic Distortion
VTIF – Volts Telephone Infl. Factor
ADF – Amps distortion factor
ATHD – Amps Total Harmonic Distortion
ATIF – Amps Telephone Infl. Factor
VDC – Volts DC
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 14
MENU SYSTEM
ADC – Amps DC
VMN – Voltage rectified mean
AMN – Current rectified mean
Return
format:
Requested result (floating point)
Description: Returns the requested result for the requested channel.
The SUM results returned are those for the group currently
selected (see :INST:NSEL) and can only be read if SUM
has been configured for the group (:SEL:SUM)
Min/max hold must be enabled prior to reading min/max
results by using the :MIN and :MAX commands
4.8.16 :FND? Read Fundamental Result
Format:
:FND:CH<ch>:<func>[:MIN|MAX]?
ch – 1 to 6
:FND:SUM:<func>[:MIN|MAX]?
Func can be one of
WAT – Watts fundamental
VAS – VA fundamental
VAR – VAr fundamental
VLT – V fundamental
AMP – A fundamental
PWF – Fundamental Power factor
IMP – Fundamental Impedance
VHM – Voltage Harmonic
AHM – Current harmonic
WHM – Power harmonic
VHA – Voltage harm angle
AHA – Current harm angle
Return
format:
Requested result (floating point)
Description: Returns the requested result for the requested channel.
The SUM results returned are those for the group currently
selected (see :INST:NSEL) and can only be read if SUM
has been configured for the group (:SEL:SUM).
Min/max hold must be enabled prior to reading min/max
results by using the :MIN and :MAX commands
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MENU SYSTEM
Fundamental measurements must be enabled prior to
requesting fundamental results. This can be done with
:SEL:FUN or by specifying the number of harmonics to
analyze with the HRM or HMX commands
4.8.17 :FRD? Read Foreground Data
Format:
:FRD?
:FRD:CH<ch>?
:FRD:GRP<group>?
:FRD:SUM?
:FRD:GRP<group>:SUM?
:FRD:ALL?
Where <ch> is a channel number 1 to 6
Where <group> is a group number 1 to 6
Return
format:
A number of floating point values depending upon
selection. Up to 8 values on each line.
Description: If no secondary command is sent, results for all selected
channels are returned.
:FRD:CH<ch>? Results for specific selected channel are
returned.
:FRD:GRP<group>? Results for all the channels of the
specific selected group are returned.
:FRD:ALL? Results for all channels are returned.
The results to be returned are selected using the :SEL
command.
Once results are available, they are returned in floating
point format with up to 8 values on each line.
Results are returned in the following order. If the result has
not been selected, it will just be skipped.
Watts, VA, VAr, Vrms, Arms, PF, Vpeak, Vpeak(positive),
Vpeak(negative),Apeak, Apeak(positive), Apeak(negative),
Vcf, Acf, Imp, Vdf, Adf, Freq, Vmean, Amean, Fund Watts,
Fund VA, Fund VAr, Fund V, Fund A, Fund PF, R, X, Fund
Vmean, Fund Amean, VDC, Voltage harmonics (magnitude
& phase), ADC, Current harmonics (magnitude & phase),
Watts harmonics (magnitude only), Vthd, Athd, Vtif, Atif.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 16
MENU SYSTEM
When returning harmonics, only the harmonic selected with
:HRM command is returned. If the harmonic is H0 (DC),
only the magnitude is returned. For other harmonics, both
the magnitude and phase in degrees are returned.
:FRD:SUM? The sum results returned are those for the
group currently selected (see 4.11)
:FRD:GRP<group>:SUM return the sum results of the
specific group.
The sum results only can be return when was enabled by
the :SEL:SUM command and the group with more than one
channels
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MENU SYSTEM
4.8.18 :FRF? Read Foreground Data Selected Fields
Format:
:FRF?
:FRF:CH<ch>?
:FRF:GRP<group>?
:FRF:SUM?
:FRF:GRP<group>:SUM?
:FRF:ALL?
Where <ch> is a channel number 1 to 6
Where <group> is a group number 1 to 6
Return
format:
A number of parameter names depending upon selection.
Up to 8 values on each line.
Description: The FRF command returns the field names that would be
returned by the FRD command. This can be used to
confirm the selected parameters.
4.8.19 :FSR Set Frequency Source
Format:
:FSR:VLT|AMP|EXT|SLW
VLT – Set voltage frequency source
AMP – Set current frequency source
EXT – Set external frequency source
SLW – Same as EXT on PM6000
Description: Sets the frequency source for the group currently selected
Format:
:FSR:FIX <freq>
<freq> frequency in Hertz
Description: Sets the fundamental frequency to the fixed value specified
for the group currently selected
Format:
:FSR?
Return
format:
Text string
Description: Describes the frequency source configuration for the group
currently selected
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MENU SYSTEM
4.8.20 :HRM Set Single Harmonic
Format:
:HRM <harm>
harm - integer harmonic number 1 – 99
Description: Sets the harmonic to be returned by the FNC, FND and
FRD commands.
The harmonic number should be equal to or less than the
number of harmonics calculated, which can be set by
the :HMX command
Use CFG 18 to set the return format of harmonic results.
Harmonic magnitudes may be returned in percentage of
the fundamental or absolute value form.
Format:
:HRM?
Return
format:
Number
Description: Returned the currently selected value for HRM
4.8.21 :HMX Set Maximum Harmonic for Series
Format:
:HMX:ODD <harm>
:HMX:ALL <harm>
:ODD – Only odd harmonics
:ALL – All harmonics
harm – integer maximum harmonic 1 – 99
Description: Sets the number of harmonics (for all of volts, amps and
watts harmonics) to be calculated for the group currently
selected. Also sets whether odd or all harmonics in the
group are returned.
Format:
:HMX:AHM:ODD <harm>
:HMX:AHM:ALL <harm>
:ODD – Only odd harmonics
:ALL – All harmonics
harm – integer maximum harmonic 1 – 99
Description: Sets the number of amps harmonics to be calculated for
the group currently selected. Also sets whether odd or all
harmonics in the group are returned.
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MENU SYSTEM
Format:
:HMX:VHM:ODD <harm>
:HMX:VHM:ALL <harm>
:ODD – Only odd harmonics
:ALL – All harmonics
harm – integer maximum harmonic 1 – 99
Description: Sets the number of volts harmonics to be calculated for the
group currently selected. Also sets whether odd or all
harmonics in the group are returned.
Format:
:HMX:WHM:ODD <harm>
:HMX:WHM:ALL <harm>
:ODD – Only odd harmonics
:ALL – All harmonics
harm – integer maximum harmonic 1 – 99
Description: Sets the number of watts harmonics to be calculated for
the group currently selected. Also sets whether odd or all
harmonics in the group are returned.
Format:
:HMX?
Return : ODD, Number or
ALL, Number
Description: Returned the currently selected value for HMX
(for all of the volts, amps, and watts hamonics)
Format:
:HMX:AHM?
Return : AHM ODD, Number or
AHM ALL, Number
Description: Returned the currently selected value for amps
HMX
Format:
:HMX:VHM?
Return : VHM ODD, Number or
VHM ALL, Number
Description: Returned the currently selected value for volts
HMX
Format:
:HMX:WHM?
Return : WHM ODD, Number or
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 20
MENU SYSTEM
WHM ALL, Number
Description: Returned the currently selected value for watts
HMX
4.8.22 :INT Set up Integrator
Format:
:INT:ENB
:INT:DIS
Return
format:
None
Description: Enables or disables the integrator for the currently selected
group (see :INST:NSEL)
If an integrator is enabled with a trigger that is already
running, then the integrator on this group will start
immediately
Format:
:INT:TRG <trigger>
Where <trigger> is a number 1 to 6
Return
format:
None
Description: Specifies the trigger associated with the integrator on the
currently selected group (see :INST:NSEL)
This allows the user to configure a number of groups to use
the same RUN/STOP/RESET events or to run
independently
Format:
:INT:TRG?
Return
format:
Number 1 to 6
Description: Returns the trigger associated with the integrator on the
currently selected group (see :INST:NSEL)
Format:
:INT:RUN [<hours>]
hours – Run time in hours
Return
format:
None
Description: Starts the integrator on the currently selected group and
any other groups using the same trigger
:INT:RUN hours will start an integration over the specified
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 21
MENU SYSTEM
number of hours. If hours is omitted :INT:RUN will start/
resume the integration
Integration results can be read using the :FNC command
Format:
:INT:STOP
Return
format:
None
Description: Stops the integrator on the currently selected group and
any other groups using the same trigger
Integration results can be read using the :FNC command
Format:
:INT:RESET
Return
format:
None
Description: Resets the integrator on the currently selected group and
any other groups using the same trigger
The :INT:RESET commands clears the integration results
and Tint, but the does not stop the integration. So results
will be set to zero but integration will continue
Integration results can be read using the :FNC command
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 22
MENU SYSTEM
4.8.23 :MAX Enable Max store
Format:
:MAX ON|1|OFF|0
Return
format:
None
Description: The MAX store holds the maximum result for each
parameter until the store is reset either by the ‘:RES’
command or by the front panel [Reset/Clear] key.
Format:
:MAX?
Return
format:
0 or 1
Description: Returns a zero if MAX store off, and 1 if MAX store enabled
4.8.24 :MEA Set Measurement Mode
Format:
:MEA:CNT – Set continuous measurement mode
:MEA:SNG – Set single measurement mode.
Return
format:
None
Description: Sets the measurement mode in the PM6000. In continuous
mode, results are continually updated. In single mode,
measurements are stopped until a *TRG is received.
Measurements are made until the averaging buffer has
been filled. Once the averaging buffer has been filled
measurements are stopped until the next *TRG is received.
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MENU SYSTEM
4.8.25 :MIN Enable Min store
Format:
:MIN ON|1|OFF|0
Return
format:
None
Description: The MIN store holds the maximum result for each
parameter until the store is reset either by the ‘:RES’
command or by the front panel [Reset/Clear] key.
Format:
:MIN?
Return
format:
0 or 1
Description: Returns a zero if MIN store off, and 1 if MIN store enabled
4.8.26 :PWM PWM Mode
Format:
:PWM:OUT <lfmode>
Where lfmode is 1, 2 or 3
Return
format:
None
Description: Enable PWM Output mode for the currently selected group.
The minimum expected modulation (or motor) frequency is
determined by the lfmode parameter as follows
1 5Hz
2 1Hz
3 0.1Hz
The measurement update rate will be correspondingly
slower with lfmode of 2 or 3
Format:
:PWM:DIS
Return
format:
None
Description: Exits PWM mode and returns to Normal mode
4.8.27 :RAV Reset Averaging
Format:
:RAV
Return None
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 24
MENU SYSTEM
format: Description: Reset averaging on all groups.
4.8.28 :RES Reset Min/Max Store
Format:
:RES:CH<ch> MIN|MAX|ALL
:RES:SUM MIN|MAX|ALL
:RES:ALL MIN|MAX|ALL
CH<ch> – Reset stores for channel ch
SUM – Reset sum store for current group
ALL – Reset store for all groups
store – MAX Reset MAX store
- MIN Reset MIN store
- ALL Reset MIN and MAX stores
Return
format:
None
Description: Reset the specified MIN/MAX stores. Example: To reset all MIN and MAX results
:RES:ALL ALL
To reset the MAX store of channel 2
:RES:CH2 MAX
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MENU SYSTEM
4.8.29 :RNG Set Ranging
Format:
:RNG:VLT|AMP:FIX <range>
:RNG:VLT|AMP:AUT
:RNG:VLT|AMP:AUTUP
VLT – Set voltage ranging
AMP – Set current ranging
FIX – Fixed ranging
AUT – Auto ranging
AUTUP – Auto up ranging
range – integer range 1 – 9
Return
format:
None
Description: Sets the ranging for the group currently selected. Range 1
is the lowest range (i.e. 5V for voltage range).
Format:
:RNG:VLT|AMP?
Return
format:
One of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, AUT, AUTUP
Description: Returns the range configuration for the group currently
selected.
4.8.30 :SCL Set Scaling
Format:
:SCL:VLT|AMP <scale>
VLT – Set voltage scaling
AMP – Set current scaling
scale – floating point scale 0.00001 –
100000
Return
format:
None
Description: Sets the scaling for the group currently selected.
4.8.31 :SEL Select Function List
Format:
:SEL:CLR – Clear previous selection
:SEL:CH1 – Select Channel 1
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MENU SYSTEM
:SEL:CH2 – Select channel 2
:SEL:CH3 – Select channel 3
:SEL:CH4 – Select channel 4
:SEL:CH5 – Select channel 5
:SEL:CH6 – Select channel 6
:SEL:SUM – Enable sum results
:SEL:FUN – Enable fundamental parameters
:SEL:WAT – Select Watts
:SEL:VAS – Select VA
:SEL:VAR – Select VAr
:SEL:VLT – Select Vrms
:SEL:AMP – Select Arms
:SEL:PWF – Select power factor
:SEL:VPK – Select volts peak (absolute)
:SEL:VPKP – Select volts peak (positive)
:SEL:VPKN – Select volts peak (negative)
:SEL:APK – Select current peak (absolute)
:SEL:APKP – Select current peak (positive)
:SEL:APKN – Select current peak (negative)
:SEL:VCF – Select volts crest factor
:SEL:ACF – Select current crest factor
:SEL:IMP – Select impedance
:SEL:WHR – Select Watt-Hrs
:SEL:VAH – Select VA Hours
:SEL:VRH – Select VAr Hours
:SEL:AHR – Select Amp Hours
:SEL:APF – Select average power factor
:SEL:CVR – Select correction Vars
:SEL:VHM – Select voltage harmonic
:SEL:AHM – Select current harmonic
:SEL:WHM – Select Watts harmonic
:SEL:VDF – Select Volts distortion factor
:SEL:VTHD – Select Volts Total Harmonic
Distortion
:SEL:VTIF – Select Volts Telephone Infl.
Factor
:SEL:ADF – Select Amps distortion factor
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 27
MENU SYSTEM
:SEL:ATHD – Select Amps Total Harmonic
Distortion
:SEL:ATIF – Select Amps Telephone Infl.
Factor
:SEL:FRQ – Select frequency
:SEL:TIM – Select integrator time
:SEL:VDC – Select volts DC
:SEL:ADC – Select current DC
:SEL:VHA – Select voltage harm angle
:SEL:AHA – Select current harm angle
:SEL:VMN – Select voltage rectified mean
:SEL:AMN – Select current rectified mean
Return
format:
None
Description: Selects which results are to be returned for the BRD and
FRD commands. The selected parameter field names can
be read back using the FRF? and BRF? query commands
:SEL:FUN and :SEL:SUM setup the group for these
measurements and other related parameters. Use
:INST:NSEL to select the group to be configured.
Use :HMX to ensure required harmonics are configured
prior to requesting results
4.8.32 :WRG Set Wiring Configuration
Format:
:WRG:1P2 – Set 1 phase 2 wire
:WRG:1P3 – Set 1 phase 3 wire
:WRG:3P3 – Set 3 phase 3 wire
:WRG:3P4 – Set 3 phase 4 wire
:WRG:3P7 – Set 3 phase 7 wire
:WRG:ALL – Set 1 phase 2 wire in all groups
Return
format:
None
Description: Sets up the wiring configuration for the group currently
selected, with the exception of :ALL which sets 1 phase 2
wire in all groups.
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 28
MENU SYSTEM
4.9. CONFIGURATION COMMANDS (:CFG COMMAND)
The ’:CFG Prog,Value command takes as its parameter a numeric value. This
indicates the setting that is to be set or read. The table below lists the valid commands.
It also indicates the valid settings for each command
Prog Num
Function Value Notes
2 Target power factor Floating point number For group currently
selected
11 Disable acquisition 0 = run
1 = hold
Enables/disables
acquisition for remote only
12 Hold display 0 = run
1 = hold
13 Wiring configuration 0 = 1 phase 2 wire
1 = 1 phase 3 wire
2 = 3 phase 3 wire
3 = 3 phase 4 wire
7 = all groups 1ph 2w
0 – 3 are for group
currently selected.
16 THD Formula 0 = Distortion factor
1 = THD
For group currently
selected
17 Harmonic reference 0 = fundamental
1 = RMS
For group currently
selected
18 Harmonic display 0 = percentage
(Default)
1 = actual value V/A
Affects all groups
19 THD formula 0 = H0 (dc) excluded
1 = H0 (dc) included
For group currently
selected
21 Fixed frequency 0 = disable
1 = enable
For group currently
selected
22 Fixed frequency val Floating point freq For group currently
selected
26 Low level blanking 0 = disable
1 = enable
Affects all groups
30 Disable channel
(ch1)
0 = disable
1 = enable
Disables group containing
ch1
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MENU SYSTEM
32 AC/DC coupling
(ch1)
0 = AC coupled
1 = AC+DC coupled
Affects group containing
ch1
33 HF Ballast(AM)
(ch1)
0 = off
1 = 50Hz
2 = 60Hz
Affects group containing
ch1.
34 Phase reference
(ch1)
0 = voltage
1 = current
Affects group containing
ch1
39 Freq Source (ch1) 0 = voltage
1 = current
2 = external
3 = slow external
Affects group containing
ch1.
Setting 3 is exactly the
same as 2 on the PM6000.
40 Voltage range (ch1) 0 = 5V
1 = 10V
2 = 20V
3 = 50V
4 = 100V
5 = 200V
6 = 500V
7 = 1kV
8 = 2kV
Affects group containing
ch1.
41 Current range (ch1) 0 = 5mV
1 = 10mV
2 = 25mV
3 = 50mV
4 = 100mV
5 = 250mV
6 = 500mV
7 = 1V
8 = 2.5V
Affects group containing
ch1.
42 Voltage ranging
(ch1)
0 = auto ranging
1 = manual
Affects group containing
ch1.
43 Current ranging
(ch1)
0 = auto ranging
1 = manual
Affects group containing
ch1.
44 Voltage scaling Floating point scaling Affects group containing
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 30
MENU SYSTEM
(ch1) ch1.
45 Current scaling (ch1) Floating point scaling Affects group containing
ch1
49 PWM motor drive
(ch1)
0 = disabled
1 = input
2 = output
Affects group containing
ch1.
50–69 As 30–49 above for
ch2
70– 89As 30–49 above for
ch3
115 Integrator functions 0 = accumulated
(default)
1 = averaged
Affects results returned by
remote for all groups
119 PWM input window Floating point num of
seconds
Affects group currently
selected
120 PWM output range 1 = 5Hz
2 = 0.1Hz
3 = 0.1Hz
4 = 5Hz
Affects group currently
selected. On the PM6000,
determines the minimum
fundamental frequency.
127 Remote display 0 = disabled (Default)
1 = enabled
Determines if display is
visible when in remote
135 Harmonic series 0 = odd and even
1 = odd only
Affects group currently
selected
136 Maximum harmonic Integer 0 - 99 Affects group currently
selected
179 Integrator reset 0 = disabled
1 = enabled
Affects integrator for the
group currently selected
184 Selected harmonic Integer 0 - 99 Affects the harmonic
returned for FND and FNC
commands
190 Reversed PF sign 0 = disabled
1 = enabled
Just affects results sent by
remote
191 SUM A =
(A1+A2+A3)/3
0 = disabled
1 = enabled
Affects group currently
selected
192 SUM V =
(V1+V2+V3)/3
0 = disabled
1 = enabled
Affects group currently
selected
251 Auto zero 0 = disabled Affects all groups
VOLTECH PM6000 USER MANUAL ISSUE 21 PAGE 31
MENU SYSTEM
1 = enabled
275 RS232 verbose
Echo mode
0 = disabled
1 = enabled
276 Single reply string 0 = disabled (Default)
1 = enabled
Also affects FRD response
format. If 0 then 8 values
per line, if 1 then
continuous comma
separated values
279 Data return format 0 = 4.5 digit ASCII
1 = 5 digit ASCII
2 = 7 digit ASCII
VOLTECH PM6000 USER MANUAL ISSUE 20 PAGE 32
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