Xantrex XDC 20-300, XDC 30-200, XDC 100-60, XDC 150-40, XDC 300-20 Operating Manual

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Instra

XDC 6000 Watt and 12000 Watt Series Digital Programmable DC Power Supply

XDC 10-600 XDC 20-300 XDC 30-200 XDC 40-150 XDC 60-100 XDC 80-75 XDC 100-60 XDC 150-40 XDC 300-20 XDC 600-10

XDC 10-1200 XDC 20-600 XDC 30-400 XDC 40-300 XDC 60-200 XDC 80-150 XDC 100-120 XDC 150-80 XDC 300-40 XDC 600-20

Operating Manual

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Operating Manual for

XDC 6000 Watt and 12000 Watt Series Digital Programmable DC Power Supply

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Limited

Warranty

What does this warranty cover and how long does it last?

This Limited Warranty is provided by Xantrex Technology, Inc. (“Xantrex”) and covers defects in workmanship and materials in your XDC 6000 Watt or 12000 Watt Series Digital DC Power Supply. This warranty lasts for a Warranty Period of 5 years from the date of purchase at point of sale to you, the original end user customer.

What will Xantrex do?

Xantrex will, at its option, repair or replace the defective product free of charge, provided that you notify Xantrex of the product defect within the Warranty Period, and provided that Xantrex through inspection establishes the existence of such a defect and that it is covered by this Limited Warranty.

Xantrex will, at its option, use new and/or reconditioned parts in performing warranty repair and building replacement products. Xantrex reserves the right to use parts or products of original or improved design in the repair or replacement. If Xantrex repairs or replaces a product, its warranty continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer, whichever is greater. All replaced products and all parts removed from repaired products become the property of Xantrex.

Xantrex covers both parts and labor necessary to repair the product, and return shipment to the customer via a Xantrex-selected non-expedited surface freight within the contiguous United States and Canada. Alaska and Hawaii are excluded. Contact Xantrex Customer Service for details on freight policy for return shipments outside of the contiguous United States and Canada.

How do you get service?

If your product requires troubleshooting or warranty service, contact your merchant. If you are unable to contact your merchant, or the merchant is unable to provide service, contact Xantrex directly at:

Phone: 604 422 8595

Toll Free North America: 1 800 667 8422

Fax: 604 421 3056

Email: info@xantrex.com

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Direct returns may be performed according to the Xantrex Return Material Authorization Policy described in your product manual. For some products, Xantrex maintains a network of regional Authorized Service Centers. Call Xantrex or check our website to see if your product can be repaired at one of these facilities.

In any warranty claim, dated proof of purchase must accompany the product and the product must not have been disassembled or modified without prior written authorization by Xantrex.

Proof of purchase may be in any one of the following forms:

• The dated purchase receipt from the original purchase of the product at point of

sale to the end user, or

• The dated dealer invoice or purchase receipt showing original equipment

manufacturer (OEM) status, or

• The dated invoice or purchase receipt showing the product exchanged under

warranty

What does this warranty not cover?

This Limited Warranty does not cover normal wear and tear of the product or costs related to the removal, installation, or troubleshooting of the customer’s electrical systems. This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to:

a. the product if it has been misused, neglected, improperly installed, physically

damaged or altered, either internally or externally, or damaged from improper use or use in an unsuitable environment;

b. the product if it has been subjected to fire, water, generalized corrosion,

biological infestations, and high input voltage from lightning strikes;

c. the product if repairs have been done to it other than by Xantrex or its authorized

service centers (hereafter “ASCs”);

d. the product if it is used as a component part of a product expressly warranted by

another manufacturer;

e. the product if its original identification (trade-mark, serial number) markings

have been defaced, altered, or removed.

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Disclaimer Product

THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YOUR XANTREX PRODUCT AND IS, WHERE PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS, GUARANTEES, REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE IN CONNECTION WITH THE PRODUCT, HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE, PRINCIPLES OF MANUFACTURER’S LIABILITY, OPERATION OF LAW, CONDUCT, STATEMENT OR OTHERWISE), INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY.

IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSSES, COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND, ANY LOSS OR DAMAGE TO PROPERTY, ANY PERSONAL INJURY, ANY DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION, INTEGRATION OR OPERATION OF THE PRODUCT.

Exclusions If this product is a consumer product, federal law does not allow an exclusion of

implied warranties. To the extent you are entitled to implied warranties under federal law, to the extent permitted by applicable law they are limited to the duration of this Limited Warranty. Some states and provinces do not allow limitations or exclusions on implied warranties or on the duration of an implied warranty or on the limitation or exclusion of incidental or consequential damages, so the above limitation(s) or exclusion(s) may not apply to you. This Limited Warranty gives you specific legal rights. You may have other rights which may vary from state to state or province to province.

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Information WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, UNLESS

SPECIFICALLY AGREED TO BY IT IN WRITING, XANTREX a. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY

OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN MANUALS OR OTHER DOCUMENTATION PROVIDED BY IT IN CONNECTION WITH THE PRODUCT; AND

b. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES,

COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT, CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION.

THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.

WARNING:

Limitations

on Use

Please refer to your product user manual for limitations on uses of the product. Specifically, please note that this power supply is not intended for use in connection with life support systems and Xantrex makes no warranty or representation in connection with any use of the product for such purposes.

Xantrex Technology, Inc. 8999 Nelson Way Burnaby, British Columbia Canada V5A 4B5

Information

About Your

Power

Supply

Please record the following information when you first open your Power Supply package:

Model Number ______________________________________________

Serial Number ______________________________________________

Purchased From ______________________________________________

Purchase Date ______________________________________________

Release Release 3.0 (2002-06)

Printed in Canada

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Warnings

and

Cautions

Power

Supply

Safety

Warnings and cautions are defined and formatted in this manual as shown below.

WARNING

Describes a potential hazard which could result in injury or death, or, a procedure which, if not performed correctly, could result in injury or death.

CAUTION

Describes a procedure which, if not performed correctly, could result in damage to data, equipment, or systems.

WARNING—High Energy and High Voltage

Exercise caution when using and calibrating a power supply. High energy levels can be stored at the output voltage terminals on a power supply in normal operation. In addition, potentially lethal voltages exist in the power circuit and on the output and sense connectors of a power supply with a rated output greater than 40 V. Filter capacitors store potentially dangerous energy for some time after power is removed.

CAUTION

Operate the power supply in an environment free of flammable gases or fumes. To ensure that the power supply’s safety features are not compromised, use the power supply as specified in this manual and do not substitute parts or make any unauthorized modifications. Contact the service technician for service and repair help. Repairs must be made by experienced service technicians only.

CAUTION

For Use as a Battery Charger When you are using any of these power supplies for battery charging applications, it is essential to provide an appropriately sized fuse or circuit breaker in series between the power supply output and the battery. Installation of a protector (fuse or DC circuit breaker) rated for about 115% of the maximum current rating of the power supply and designed specifically to interrupt the DC voltage of the battery, will provide adequate reverse polarity current protection. Where several power supplies are in parallel, it is best to fuse each one, rather than one large fuse for all.

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IEC

Symbols

Used in This

Manual

Earth (Ground) Terminal

Protective Conductor Terminal

On (Supply)

Off (Supply)

Warning (Shock Hazard)

Caution (Check manual for specific information.)

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Approvals CE Mark

CE-marked units meet the following standards:

• IEC 1010-1-92 including Amendments 1 and 2:

• Overvoltage Category II

• Permanently Connected Equipment

• EN50081-2-1996 Electromagnetic Generic Emission - Industrial Equivalent

• EN50082-2-1995 Electromagnetic Compatibility Generic Immunity - Industrial

Environment

CSA Certified

CSA C22.2 No. 1010.1-92

UL Listed (pending)

Meets UL3101-1 Electrical Equipment for Laboratory Use; Part 1: General Requirements

General safety requirements for electrical equipment intended for professional, industrial process, and educational use, including equipment and computing devices for: measurement and test; control; laboratory use; and accessories intended for use with the above.

FCC Compliance

FCC Part 15 - Radio Frequency Devices - Class A Limits

Canadian EMC Requirements

The unit complies with Canadian EMC requirements of ICES-001.

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About This Manual

Who Should Use This Manual

This manual is designed for users who understand basic electrical theory, especially as applied to the operation of power supplies. This implies a recognition of constant voltage and constant current operating modes and the control of input and output power, as well as the observance of safe techniques while making connections to the supply and any changes in settings.

Navigation

Sections

To help you locate information easily, this manual has the following:

• A Table of Contents

• A List of Figures

• A List of Tables

• An Index

Section 1: About the XDC Power Supply describes the power supply features,

front panel controls, front panel display, and rear panel connectors. It also gives an overview of operation.

Section 2: Installation describes how to mount the power supply, how to

connect it, and how to run initial self-tests.

Section 3: Operation describes basic operation and functions carried out from

the front panel using the function keys and menu options.

Section 4: Remote Operation explains how to hook up remote interfaces and

how to send commands to the power supply through the SCPI programming language.

Section 5: Current Sharing (6000 Watt only) explains how to configure the

power supply for current sharing among units connected in parallel.

Appendix A: Calibration describes calibration parameters and procedures.

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About This Manual

Revisions

Appendix B: SCPI Command Reference describes the Standard Commands

for Programmable Instruments (SCPI) commands supported by this model.

Appendix C: Error Messages describes the error messages that could appear

during operation.

Appendix D: GPIB describes the General Purpose Interface Bus (GPIB)

commands and lines supported by this model.

Appendix E: Specifications and Characteristics provides electrical and

mechanical specifications.

The current release of this manual is listed below. Updates may be issued as an addendum.

Release 3.0 (2002-06)

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Contents

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix

List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

List of Figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix

Section 1. About The XDC Power Supply

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Status Annunciators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Overview of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Power ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Section 2. Installation

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Basic Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Inspection, Cleaning, and Packaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Initial Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Returning Power Supplies to the Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Return Material Authorization Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Packaging for Shipping or Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Location, Mounting, and Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Rack Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

AC Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

AC Input Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

AC Input Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

AC Wire Input Connection for 6000 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

AC Wire Input Connection for 12000 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Basic Checks or Self-Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Display Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Power ON Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Voltage Mode Operation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Current Mode Operation Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Load Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Current Carrying Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Load Wiring Length for Operation with Sense Lines . . . . . . . . . . . . . . . . . . . . . 49

Noise and Impedance Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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Contents

Load Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Remote Sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Section 3. Operation

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Power Supply Operating States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Power Supply Regulation Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Remote Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Power Supply Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Wire Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Single Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Multiple Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Output Strain Relief/Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Powering ON the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Powering OFF the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Power-On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Output Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Soft Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Constant Voltage (CV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Constant Current (CC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Constant Power (CP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Automatic Mode Crossover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Function Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Menu Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Top Level Menu Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Control Knobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Set Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Set Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Set Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Turn Output On or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Set Output Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Set Shutdown Recovery for AC Off and OTP . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Respond to Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Set Up Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Toggle Local/Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Select Remote Control Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Configure Remote Control Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Store User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Change Stored Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Recall Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Read Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Configure User Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Configure Power ON Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

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Program Auto Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Programming a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Deleting a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Editing a Sequence Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

Inserting a Sequence Step. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Deleting a Sequence Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Editing Repeat Times of a Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Editing Trigger Source of a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

Using Auto Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Configure Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Lock Out Control Knobs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Set V, I, and P Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

View Model Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Default Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

View Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Monitor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Section 4. Remote Operation

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Making Connections for Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Remote Analog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Analog Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Configure Analog Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Using Remote Analog Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Multichannel Operation (6000 Watt only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Multichannel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Using Multichannel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Multichannel Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Multichannel Broadcast Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

RS-232 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

RS-232 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

Using RS-232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

GPIB Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

GPIB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

Using GPIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

SCPI Commands for Digital Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Set Up Power ON Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Power On Output State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Store User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Change Remote/Local Control of Power Supply . . . . . . . . . . . . . . . . . . . . . . . 128

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Contents

Enable Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Program V,I,P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Configure V, I, P Protection Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Configure Other Protection Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Clear Protection Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

View Power Supply Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Configure Auxiliary Status Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Read Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Triggering Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Auto Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Programming Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Auto Sequence Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Identification Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Option Identification Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

SCPI Version Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Status Register Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Section 5. Current Sharing (6000 Watt only)

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Configure Current Share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Setup Current Sharing Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Appendix A. Calibration

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Entering Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

SCPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Security code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Setup and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Front Panel Calibration Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Analog Programming Interface 0-5V Range . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Analog Programming Interface 0-10V Range . . . . . . . . . . . . . . . . . . . . . . . . . 187

Remote Interface Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Analog Programming Interface 0-5V Range . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Analog Programming Interface 0-10V Range . . . . . . . . . . . . . . . . . . . . . . . . . 191

Exit calibration mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Restore Factory Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

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Appendix B. SCPI Command Reference

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Codes and Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

IEEE 488.2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

SCPI Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

IEEE-488.2/SCPI Syntax and Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

SCPI Command Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Using SCPI Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Using Minimum and Maximum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

Using Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196

Terminating Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

Common Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196

Parameter Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Boolean Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Discrete Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Numeric Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

String Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197

SCPI Command Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

Notations Used in the Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Contents

Appendix C. Error Messages

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Command Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Execution Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Device-Specific Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Query Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219

User Request Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Operation Complete Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Front Pane0l Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

CPU Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220

Analog Programming Interface Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220

Auto Sequencing Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

CANbus Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Multichannel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Current Share Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

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Appendix D. GPIB

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Message Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Address Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Primary Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Secondary Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Service Request and Polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Protocol Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Multiline Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Interface Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Driver Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Appendix E. Specifications and Characteristics

Electrical Specifications—Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228

AC Line Input Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

AC Line Input Voltage Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

Output Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237

Environmental Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Thermal Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Humidity Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

International Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Mechanical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Index

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Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

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List of Tables

Table 1.1 Front Panel Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Table 2.1 Basic Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 2.2 AC Wire Specification for 6000 Watt units. . . . . . . . . . . . . . . . . . . . . .41

Table 2.3 AC Wire Specification for 12000 Watt units. . . . . . . . . . . . . . . . . . . . .41

Table 2.4 Current Carrying Capacity for Load Wiring . . . . . . . . . . . . . . . . . . . . . 48

Table 3.1 Settings Affected by Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Table 4.1 User Line Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Table 4.2 Analog Programming Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Table 4.3 Analog Pin Connections for Power Loop Back . . . . . . . . . . . . . . . . . 110

Table 4.4 Analog Pin Connections with a Contact Closure . . . . . . . . . . . . . . . . 110

Table 4.5 CANbus Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Table 4.6 RS-232 Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Table 4.7 GPIB Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Table 4.8 Features Affected by Reset (*RST) Command . . . . . . . . . . . . . . . . . 126

Table 4.9 OPERation Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Table 4.10 REGulating Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Table 4.11 SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Table 4.12 Protection SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . 147

Table 4.13 Remote CONtrol Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Table 4.14 Current SHare Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Table 4.15 QUEStionable Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

Table 4.16 VOLTage Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Table 4.17 CURRent Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Table 4.18 POWer Sub-Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Table 4.19 TEMPerature Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Table 4.20 Standard Event Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Table 4.21 Status Byte Summary Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155

Table 4.22 Preset Values of User Configurable Registers . . . . . . . . . . . . . . . . . 157

Table B.1 IEEE 488.2 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Table B.2 Readback Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Table B.3 Commands for Output Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Table B.4 Commands for Current Share (6000 W only) . . . . . . . . . . . . . . . . . . 202

Table B.5 Commands for Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203

Table B.6 Command to Clear all Protection Mechanisms . . . . . . . . . . . . . . . . . 203

Table B.7 Commands for Fold Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Table B.8 Commands for Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Table B.9 System Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

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List of Tables

Table B.10 Status Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Table B.11 Protection Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Table B.12 User Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Table B.13 Output State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Table B.14 Auto Sequence Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Table B.15 Legacy Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

Table B.16 Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Table C.1 Command Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Table C.2 Execution Error List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Table C.3 Device-Specific Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Table C.4 Query Error List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Table C.5 User Request Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Table C.6 Operation Complete Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Table C.7 Front Panel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table C.8 CPU Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table C.9 Analog Programming Interface Error code . . . . . . . . . . . . . . . . . . . . 220

Table C.10 Auto Sequencing Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table C.11 CANbus Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Table C.12 Multichannel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Table C.13 Current Share Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

Table D.1 Multiline Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Table D.2 Interface Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Table D.3 Driver Types for Interface Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Table E.1 Specifications for 6000 Watt units (10V to 60V Models). . . . . . . . . . 228

Table E.2 Drift Specifications for 6000 Watt units (10V to 60V Models) . . . . . . 229

Table E.3 Specifications for 6000 Watt units (80V to 600V Models). . . . . . . . . 230

Table E.4 Drift Specifications for 6000 Watt units (80V to 600V Models) . . . . . 231

Table E.5 Specifications for 12000 Watt units (10V to 60V Models). . . . . . . . . 232

Table E.6 Drift Specifications for 12000 Watt units (10V to 60V Models) . . . . . 233

Table E.7 Specifications for 12000 Watt units (80V to 600V Models) . . . . . . . . 234

Table E.8 Drift Specifications for 12000 Watt units (80V to 600V Models) . . . . 235

Table E.9 AC Line Input Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

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Operating Manual for XDC Series Power Supply

List of Figures

Figure 1.1 Front Panel (6000 Watt) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 1.2 Front Panel (12000 Watt) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 1.3 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 1.4 Front Panel Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 1.5 Front Panel Display, Status Annunciators . . . . . . . . . . . . . . . . . . . . . . 28

Figure 1.6 Rear Panel (6000 Watt low and medium output shown) . . . . . . . . . . . 30

Figure 2.1 Typical Box Label for Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 2.2 Unpacking the Power Supply (6000 Watt shown) . . . . . . . . . . . . . . . . 38

Figure 2.3 Mounting the Power Supply in the Rack With Support Rails . . . . . . . . 39

Figure 2.4 AC Input Connector for 6000 Watt units . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 2.5 Attaching the AC Input Wires for 6000 Watt units . . . . . . . . . . . . . . . . 42

Figure 2.6 Attaching the AC Input Wires for 12000 Watt units . . . . . . . . . . . . . . . 44

Figure 2.7 Fastening the Output Wires (6000 Watt) . . . . . . . . . . . . . . . . . . . . . . . 52

Figure 2.8 Output Bus Bar Cover for 6000 Watt units . . . . . . . . . . . . . . . . . . . . . 53

Figure 2.9 Output for 12000 Watt units (Low and Medium Voltage). . . . . . . . . . . 53

Figure 2.10 Output Cover with Strain Relief for 6000 Watt units . . . . . . . . . . . . . . 54

Figure 2.11 Output for 12000 Watt units (High Voltage 300–600V) . . . . . . . . . . . . 55

Figure 4.1 View of Remote Interface Connections . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 4.2 Schematic For User Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Figure 4.3 Connections for Multichannel Operation . . . . . . . . . . . . . . . . . . . . . . 115

Figure 4.4 Operation Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Figure 4.5 Questionable Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Figure 4.6 IEEE 488.2 Status Register and Status Byte. . . . . . . . . . . . . . . . . . .153

Figure 5.1 Connections for Current Share Operation . . . . . . . . . . . . . . . . . . . . . 173

Figure E.1 Power Supply Dimensions (6000 Watt unit) . . . . . . . . . . . . . . . . . . . 243

Figure E.2 Power Supply Dimensions (12000 Watt unit) . . . . . . . . . . . . . . . . . . 244

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List of Figures

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Operating Manual for XDC Series Power Supply

Section 1. About The XDC Power Supply

Overview

The XDC Series of digital, programmable DC power supplies is designed for use in OEM, ATE, burn-in, magnet charging, and other high power systems for a broad range of applications. The XDC uses our newly developed digital technology which, combined with “Soft Switching,” provides superior performance and a high level of user control through both front panel and remote interfaces.

Features

• Digital processing for highly accurate control

• Ten, 99-step auto sequences for easy bench-top programming of complex test

routines

• Ten stored settings

• Zero voltage (soft) switching for low noise output, improved efficiency and

higher reliability

• Active Power Factor Correction (PFC) for lower input current draw and lower

current harmonic generation

• Remote voltage sense with 5V line drop compensation

• Automatic Voltage/Current mode crossover

• Constant power mode

• Seven load protection mechanisms

• Alarms and messages for over- and under-programmed trip points

• Auxiliary status lines for monitoring power supply conditions

• Remote interlock and trigger ports

• Selectable standby, last setting, programmed sequence and other power-on

defaults

• Active current sharing with parallel connected units for higher power

requirements*

• Standard RS-232 remote control interface and optional GPIB (IEEE 488.2) port

• CANbus communications link for multichannel addressing, and master/slave

current sharing*

• Extensive SCPI command set

• Keypad, knobs, and arrow keys for fast and tactile front panel operation

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About The XDC Power Supply

Front Panel

• Bright vacuum fluorescent display with annunciators to indicate complete

supply status at a glance

• Front panel, software-based calibration

• Fully isolated analog programming and readback capabilities

• CE Mark, CSA Certified, FCC Compliance, UL (pending)

*These features are available on 6000 Watt units when the power supply is equipped with the optional GPIB/CANbus interface card.

Front Panel

Figure 1.1 Front Panel (6000 Watt)

3 4

6 7 8 1

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About The XDC Power Supply

Front Panel

3 4 5 6 7 8 1

Figure 1.2 Front Panel (12000 Watt)

1. Rack mount brackets

2. Handles

3. On/Off switch

4. Air intake vents

5. Front panel display (vacuum fluorescent display). See Figure 1.4 for details.

6. Voltage knob

7. Current knob

8. Keypad. (See Figure 1.3 for details.)

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About The XDC Power Supply

Front Panel

Figure 1.3 Keypad

1. Vo l tage k nob: Turn knob to increase or decrease output voltage. (This is a velocity- sensitive rotary encoder.)

2. Current knob: Turn knob to increase or decrease output current limit. (This is a velocity-sensitive rotary encoder.)

Note The secondary functions for keys 3 to 5 listed below operate when the power supply

is in Auto Sequence mode.

3. VOLTAGE set key: View and set voltage output setpoint. RUN/PAUSE Auto Sequence Program: Start a selected program or pause the

program.

4. CURRENT set key: View and set current output setpoint. TRIGGER for Auto Sequence Program: Apply a trigger when requested. This key may also be used to advance to the next step in the program by pressing and holding.

5. STORE settings key: Save power supply output settings to one of ten locations. END Auto Sequence Programming: Stop the program. The program will start from the beginning when RUN is pressed.

6. OUT ON/OFF key: Toggle between Output ON and Output OFF.

7. LCL/RMT key: Toggle between local mode and remote mode (or Go to Local for GPIB operation) except during calibration.

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About The XDC Power Supply

Front Panel

8. PROTECTION SET key: View and set protection setpoints.

ALARM response: Read and clear alarm messages. ALARM annunciator indicates if there are any alarm messages.

9. RECALL settings key: Apply stored power supply settings.

10. EXIT key: Cancel operation, exit menu or get out of Calibration mode or Auto

Sequence mode. Automatic timeout will also cancel operation except calibration and auto sequence operation.

11. Numeric keypad: Numbers 0 to 9, used for data entry.

12. Decimal key: Enter a decimal. Used for data entry.

13. CE key: Clear the entire data field. Used for data entry. In Store User Setting

mode, used to delete selected setting or program.

14. Up arrow key: Scroll through menus and lists, or, in data entry mode, increase

the displayed value. In default operating mode, use this key to view the output power. In Auto Sequence Operating mode, use this key to view present sequence number, step numbers, and sequence loop count.

15. Down arrow key: Scroll through menus and lists, or, in data entry mode,

decrease the displayed value.

16. ENTER key: Select a menu item or accept data.

17. MENU key: Access all menu functions.

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About The XDC Power Supply

Front Panel

Table 1 .1 Front Panel Functions

Key Functions

Voltage Setpoint Enter voltage Current Setpoint Enter current Output ON/OFF Toggle Local/Remote Mode Toggle Protection Set OVP level

UVP level OCP level UCP level OPP level UPP level Fold Mode

Enter OV level Enter UV level Enter OC level Enter UC level Enter OP level Enter UP level Select fold mode

S/D if tripped? S/D if tripped? S/D if tripped? S/D if tripped? S/D if tripped?

Select fold delay

Read Alarms Read alarm msgs Store User Setting Select 1 to 10 Recall Factory default

Last setting User setting Auto sequence

Select 1 to 10 Select 1 to 10

Auto Sequence Operation (Run/Pause, Trigger, Stop) MENU Access menu functions ENTER Make a selection UP/DOWN Scroll to view selections, increment numerical entries CE Clear entry Numeric keypad Enter data EXIT Cancel operation

Special Key Functions

UP View power readback (from default window) CE Deletes a selected user setting from memory (Hold for 2 seconds) EXIT Exit auto sequence

Select Y or N Select Y or N Select Y or N Select Y or N Select Y or N

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Menu Function

ERROR MSGS Read error msgs USER LINES Aux line A

Aux line B

PON CONFIG Factory default

Last setting User setting Auto sequence

S/D RECOVERY Select OTP

recovery

REMOTE SELECT

REMOTE CONFIG

AUTO SEQ PGM Select

CURRENT SHARE

POWER SETPOINT

DISPLAY CONFIG

KNOB LOCKOUT Lock voltage knob? Lock current knob? SETPOINT LIMIT Voltage limit

SLEW RATE Voltage slew Enter voltage step

CALIBRATION Calibrate voltage

Select remote interface

RS-232 GPIB Analog Multichannel

Sequence

No sharing Master Slave

Set power

Set display config

Current limit Power limit

Voltage slew default

Calibrate current Calibrate analog 5V voltage programming Calibrate analog 5V voltage readback Calibrate analog 5V current programming Calibrate analog 5V current readback Calibrate analog 10V voltage programming Calibrate analog 10V voltage readback Calibrate analog 10V current programming Calibrate analog 10V current readback Restore factory calibration Change calibration security code

Configure aux line A Configure aux line A

Set output on/off Set output on/off Select 1 to 10 Select 1 to 10

Select AC Off recovery

Select baud rate Select address Select input voltage range Select address

Edit Sequence Select Step Edit Step Enter Value/Duration To Next Step

Set Repeat #Select repetitions for sequence Trig Source Select trigger source Delete Sequence Confirm delete

Display summed current?

Enter max limit Enter max limit Enter max limit

Select flow control

Select PON SRQ

About The XDC Power Supply

Front Panel

Set aux line A polarity Set aux line B polarity

Set output on/off Set output on/off

Insert Step or EXIT to finish Delete Step

Select Y or N

Enter min limit Enter min limit Enter min limit

Enter time interval

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About The XDC Power Supply

Display

MODEL INFO View info

Display

Figure 1.4 Front Panel Display

1. Main Display: Shows setpoints, readback, and menus. There are 14 characters. Each character is 5 pixels wide by 7 pixels high.

2. Status Annunciators: See “Status Annunciators” on page 28 and Figure 1.5 for detailed information.

3. Voltage, Current, and Power Bar Graphs: Show present voltage, current limit, and power output in graphical format. Also indicates regulation mode.

Status Annunciators

3 5 7 11 13 15 17

2 4 6 8

10 12 14 16 18

Figure 1.5 Front Panel Display, Status Annunciators

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About The XDC Power Supply

Status Annunciators

1. AUX A: Condition selected for auxiliary line A is TRUE.

2. Master: Power supply is selected to be the master in current share

configurations.

3. AUX B: Condition selected for auxiliary line B is TRUE.

4. Slave: Power supply is selected to act as a slave in current share configurations.

5. AUTO: Power supply is in auto sequence operation.

6. Pause: Auto sequence program is paused. (Output is still on.) Press

RUN/PAUSE key to continue.

7. SEQ: Power supply is in auto sequence setup mode (if Set is also turned on) or

in auto sequence operation.

8. Trigger?: Auto sequence program is waiting for a trigger signal to continue

execution.

9. ERR: An error has occurred.

10. Set: Setting or setpoint is to be entered.

11. ADR: Power supply is being addressed (receiving data). (All remote digital

interfaces.)

12. LCL: Power supply is under local (front panel) control.

13. SRQ: Service request. GPIB only.

14. RMT: Power supply is under remote control.

15. ALARM: Power supply is operating outside the parameters the user set by using

PROT SET, or the power supply’s internal temperature has exceeded an internally set trip point (OTP).

16. OUT OFF: Power supply output is disabled; all other circuits are active; unit is

in standby mode.

17. OVP: Power supply has exceeded an over-voltage trip point.

18. Interlock: Signals that the external shutdown line (the safety interlock line) has

been activated, disabling the supply output.

19. OTP: Power supply has exceeded an over-temperature trip point, disabling the

supply output.

20. OUT ON: Output is on.

21. Bar graphs: Graphical representation of output voltage, current, and power.

22. CV, CC, CP: Power supply is in constant voltage mode, constant current mode,

or constant power mode.

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About The XDC Power Supply

Rear Panel

1 3

Figure 1.6 Rear Panel (6000 Watt low and medium output shown)

1 1

4 5 6 7

1. Fan Exhaust Vents: Do not obstruct.

2. Remote Sensing Ports: From the rear point of view, left is negative; right is positive.

3. DC Output: Bus bars are shown. Terminal blocks are used for higher voltages (300 and 600 Vdc only).

4. Auxiliary Status Lines, External Interlock, and Trigger Input

5. Analog Program and Readback

6. CANbus Port: For current sharing or multichannel operation (optional for 6000 Watt units)

7. RS-232 Connector

8. GPIB (optional)

9. Protective Conductor Ground Screw

10. AC Input

11. Chassis ground stud

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About The XDC Power Supply

Overview of Operation

Power ON Power ON describes the period between the time the AC power is turned ON and the

time the power supply is ready for normal operation. Each supply comes with a series of factory default settings that may be in effect at the conclusion of the Power ON period. These include:

• Output OFF: No current is sent to the DC output connections. You must press

Out ON/OFF to activate the supply output.

• Voltage 0V: The Voltage setpoint is zero.

• Current 0A: The Current setpoint is zero.

• Local mode operation

The output state depends on the Power ON output setting. You can customize the Power ON settings to suit your needs. See “Configure Power ON Settings” on page 84 for more information.

Control

Modes

One local method and 4 remote methods are available for controlling the power supply:

• Local Mode: Where the user operates the menu keypad and knobs

• RS-232: Where the user operates the supply remotely through a serial port

connection (standard feature).

• GPIB: Where the user operates the supply remotely through the faster General

Purpose Interface Bus. The GPIB bus follows the IEEE 488.2 standard and is an optional feature of this power supply.

• Multichannel: Where the user operates the supply remotely through the

optional multichannel link between 2 or more (up to 50) power supplies (optional feature).

• Analog: Where the user operates the supply remotely through the isolated

analog programming and readback port (standard feature). Three options are available:

• Analog V and I

• Analog V

• Analog I

Each of these methods is referred to as a control mode.

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About The XDC Power Supply

Overview of Operation

32 Operating Manual for XDC Series Power Supply

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Section 2. Installation

Overview

Section 2 provides recommendations and procedures for inspecting, installing, and testing the power supply. For more information about controls and connectors, refer to the front panel diagrams (Figure 1.1 to Figure 1.5) as well as the rear panel diagram (Figure 1.6) in Section 1.

Basic Setup Procedure

Table 2.1 provides a summary of the setup procedure and an overview of the subsections in this chapter. Use this table as a quick reference if you are familiar with the installation requirements for the power supply. If you require more information, each step in the table refers to a subsequent section which contains more details. Complete each step in the sequence given.

Table 2.1 Basic Setup Procedure

Step # Description Action Reference

1 Inspection Visually inspect the power supply.

2 Installation Install the power supply, ensuring

adequate ventilation.

3 Input Power Connect AC input power. “AC Input Power” on page 40

4 Test Perform functional tests for voltage

mode operation, current mode operation, and front panel controls.

5 Select Wires Select wires that can tolerate the DC

current output.

6 Connect Load Connect the load wires to the DC output. “Load Connections” on page 50

7 Connect Remote

Sensing (if required)

Connect remote sensing connectors on power supply to load.

“Inspection, Cleaning, and Packaging” on page 34

“Location, Mounting, and Ventilation” on page 37

“Basic Checks or Self-Tests” on page 45

“Load Wiring” on page 48

“Remote Sensing” on page 56

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Installation

Inspection, Cleaning, and Packaging

Initial

Inspection

When you receive your power supply, do a quick visual check.

1. Ensure that the box contains the power supply, the operating manual, the AC input cover and strain relief, and the output cover.

2. Inspect the unit for scratches and cracks as well as broken switches, connectors, or displays.

If the unit is damaged, save all packaging materials and notify the carrier immediately.

Maintenance Routine servicing of the power supply is not required except for periodic cleaning.

Whenever a unit is removed from operation, clean the metal surfaces with naphtha or an equivalent mild solvent, and clean the front panel with a damp cloth using a weak solution of soap and water. Use low-pressure compressed air to blow dust from in and around vent openings and components on the printed circuit boards.

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Returning Power Supplies to the Manufacturer

Installation

Returning Power Supplies to the Manufacturer

Return

Material

Authorization

Policy

Before returning a product directly to Xantrex you must obtain a Return Material Authorization (RMA) number and the correct factory “Ship To” address. Products must also be shipped prepaid. Product shipments will be refused and returned at your expense if they are unauthorized, returned without an RMA number clearly marked on the outside of the shipping box, if they are shipped collect, or if they are shipped to the wrong location.

When you contact Xantrex to obtain service, please have your operating manual ready for reference and be prepared to supply:

• The serial number of your product

• Information about the installation and use of the unit

• Information about the failure and/or reason for the return

• A copy of your dated proof of purchase

When you ship:

1. Package the unit safely following the procedures on page 36, preferably using

the original box and packing materials. Please ensure that your product is shipped fully insured in the original packaging or equivalent. This warranty will not apply where the product is damaged due to improper packaging.

2. Include the following:

• The RMA number supplied by Xantrex Technology Inc clearly marked on

the outside of the box.

• A return address where the unit can be shipped. Post office boxes are not

acceptable.

• A contact telephone number where you can be reached during work hours

• A brief description of the problem

Ship the unit prepaid to the address provided by your Xantrex customer service representative.

If you are returning a product from outside of the USA or Canada:

In addition to the above, you MUST include return freight funds and are fully responsible for all documents, duties, tariffs, and deposits.

If you are returning a product to a Xantrex Authorized Service Center (ASC):

A Xantrex return material authorization (RMA) number is not required. However, you must contact the ASC prior to returning the product or presenting the unit to verify any return procedures that may apply to that particular facility.

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Installation

Returning Power Supplies to the Manufacturer

Packaging for

Shipping or

Storage

Follow these instructions to prepare the power supply for shipping or storage.

1. When returning the unit or sending it to the service center, attach a tag to the unit stating its model number (located on the front panel label) and serial number (located on the rear panel label). Give the date of purchase and an invoice number, if you have it, as well as a brief description of the problem.

2. For storage and shipping, repack the power supply in its original container. If the original container is not available, seal the unit in a plastic bag and then pack it into a wooden or sturdy cardboard box large enough to allow 2 in. (5cm) of cushioning material to surround the unit. For cushioning, use material such as foam slabs that are capable of supporting the unit.

3. Label the box as shown below in Figure 2.1.

4. If shipping, mark the service center address and your return address on the carton.

5. If storing, stack no more than 5 boxes high. Check the storage temperature range specification in Appendix E.

POWER SUPPLY

Model Number:

Serial Number:

___________________________ ___________________________

FRAGILE – ELECTRONIC EQUIPMENT

Figure 2.1 Typical Box Label for Storage

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Location, Mounting, and Ventilation

Use the power supply in rack-mounted applications only. The power supply is designed to fit in a standard 19 in. (483mm) equipment rack.

Rack

Mounting

WARNING- High Energy and High Voltage

Ensure that the 8-32 rack mounting screws do not extend more than 1/8 in. (3.0mm) into the sides of the power supply.

To install the power supply in an equipment rack:

1. Open the box containing the unit. See Figure 2.2.

2. With the help of at least one other person, lift the unit out of its package and slide

it into an empty space in a mounting rack equipped with rails that are rated to support the unit’s weight. See Figure 2.3. On 12000 Watt units, remove the temporary lifting handles before installing the unit in a rack.

Installation

Location, Mounting, and Ventilation

CAUTION

The power supply is too heavy for one person to safely lift and mount. To avoid injury, ask a co-worker for assistance.

3. While your assistant(s) holds the unit steady, fasten it to the rack by inserting

bolts through the mounting brackets on either side of the front panel and securing them with a washer and nut.

4. The front panel mounting brackets are designed to prevent the unit from sliding

out of the rack, not to support its full weight. Provide adequate support for the rear of the unit without obstructing the ventilation inlets. Use slide rails as illustrated in Figure 2.3 or slide brackets attached to the 8-32 mounting holes on each side of the unit. Follow the manufacturer’s instructions to install rails or slides.

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Installation

Location, Mounting, and Ventilation

Figure 2.2 Unpacking the Power Supply (6000 Watt shown)

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Installation

Location, Mounting, and Ventilation

Figure 2.3 Mounting the Power Supply in the Rack With Support Rails

(6000 W shown)

Ventilation Allow cooling air to reach the ventilation inlets on the front of the unit and allow 4 in.

(10 cm) of unrestricted air space at the rear of the unit for the fan exhaust. Ventilation inlets are located on the top and sides; they are not required, however, and may be blocked, if required.

See “Specifications and Characteristics” on page 227 for the operating ambient temperature range.

1. Available from rack or cabinet vendors (e.g. Schroff, part number 30150-094).

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Installation

AC Input Power

WARNING

Disconnect AC power from the unit before removing the connector cover. Live line voltages may be exposed when the cover is removed.

WARNING

A safety ground wire must be connected to the unit as shown in Figure 2.4 and Figure 2.6 to ensure operator safety.

CAUTION

When the power switch is turned on, output voltage or current previously set may be applied to loads, depending on the supply configuration.

AC Input

Connector

The AC input connector is a standard wire clamp terminal block with 3-phase connectors and a chassis ground connector. The safety ground wire, alternatively, may be connected to the chassis using a ring tongue on the ground stud as shown in Figure 2.4 and Figure 2.6.

Ground Connection 3-Phase Terminal Block Connectors

Figure 2.4 AC Input Connector for 6000 Watt units

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Installation

AC Input Power

AC Input Wire The manufacturer recommends the AC input wire specified in Table 2.2 and

Table 2.3. This must be permanently connected to an approved AC distribution box with suitably rated over-current protection. If you require a special cord, contact the manufacturer.

Table 2.2 AC Wire Specification for 6000 Watt units

AC Input Voltage Range Wire

190–242Vac, 47–63Hz, 3-phase, 4 wire (standard)

342–500Vac, 47–63Hz, 3-phase, 4 wire (HV-Input)

Table 2.3 AC Wire Specification for 12000 Watt units

AC Input Voltage Range Wire

190–242Vac, 47–63Hz, 3-phase, 4 wire (standard)

342–500Vac, 47–63Hz, 3-phase, 4 wire (HV-Input)

4 x 10 AWG (3 wire plus safety ground), stranded copper, 60 cable diameter, rated for 25A.

4 x 14 AWG (3 wire plus safety ground), stranded copper, 60 cable diameter, rated for 13A.

4 x 6 AWG (3 wire plus safety ground), stranded copper, 60 (OD) of cable is ≤ 1in., rated for 50 A.

4 x 10 AWG (3 wire plus safety ground), stranded copper, 60 (OD) of cable is ≤ 1in., rated for 25 A.

°C minimum, 300V, 0.800 in. maximum

°C minimum, 600V, 0.800 in. maximum

°C minimum, 300V, outside diameter

°C minimum, 600V, outside diameter

AC Wire Input

See Figure 2.5, on page 42.

Connection

for 6000 W

To connect the 6000 W AC input wires:

1. Ensure that the AC input cord is de-energized, and that the power switch on the

front of the power supply is OFF.

2. Strip approximately 4 in. (10 cm) from the jacket of the AC wire. Strip 0.55 in.

(14 mm) at the end of each wire.

3. Undo the 2 screws for the AC wiring strain relief/cover on the rear panel.

Remove the cover.

4. Undo the strain relief screws. Insert the AC input cable through the strain relief

until the outer cable jacket is flush with the inside of the strain relief. Tighten the strain relief cable clamp screws.

5. Insert the ground wire (green) 0.55 in. (14 mm) into the left-most terminal

location, and tighten securely. (The safety ground wire may alternatively be connected to the chassis ground stud next to the terminal block, using a suitably sized ring terminal).

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Installation

AC Input Power

6. Route the AC wires to the input terminal block by connecting the red, black, and white wires to the remaining 3 cable clamp connectors. There is no set order for connecting the wires. Any of the 3-phase wires can be connected to any of the 3 line input connectors. To connect each wire, loosen the terminal screw, insert the stripped wire 0.55 in. (14mm) into the terminal, and tighten the screw securely.

7. Reinstall the AC input strain relief/cover, routing wires inside the cover to prevent pinching.

8. Connect the free end of the cable to the AC source, checking that the voltage is within the approved input range for the supply.

9. Energize the AC input.

It is now safe to turn the power supply on.

Figure 2.5 Attaching the AC Input Wires for 6000 Watt units

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Installation

AC Input Power

AC Wire Input

Connection

for 12000 W

See Figure 2.6, on page 44.

To connect the 12000 W AC input wires:

1. Ensure that the AC input cord is de-energized, and that the power switch on the

front of the power supply is OFF.

2. Strip approximately 2.75 in. (70 mm) from the jacket of the AC wire. Strip

0.55 in. (14 mm) at the end of each wire.

3. Remove the square AC input cover plate from the AC input bracket on the rear

panel, and a round knock-out from either the rear or right side of the bracket.

4. Insert the AC input cable through the knock-out and through the removable nut

from the strain relief until there is enough cord to attach the AC wires to the terminal block (the nut must be inside the AC input bracket). Tighten the cable clamp screws and the strain relief nut inside the AC input bracket until the AC input wire is firmly held between the nut and the cable clamp screws.

5. Insert the ground wire (green) 0.55 in. (14 mm) into the left-most terminal

location, and tighten securely.

6. Route the AC wires to the input terminal block by connecting the red, black, and

white wires to the remaining 3 cable clamp connectors. There is no set order for connecting the wires. Any of the 3-phase wires can be connected to any of the 3 line input connectors. To connect each wire, loosen the terminal screw, insert the stripped wire 0.55 in. (14mm) into the terminal, and tighten the screw securely.

7. Reinstall the AC input cover plate.

8. Connect the free end of the cable to the AC source, checking that the voltage is

within the approved input range for the supply.

9. Energize the AC input.

It is now safe to turn the power supply on.

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Installation

AC Input Power

left terminal: Ground Connection

3 right terminals: 3-Phase Terminal Block Connectors

AC input cover plate

Figure 2.6 Attaching the AC Input Wires for 12000 Watt units

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Basic Checks or Self-Tests

WARNING

The factory setting for Power ON is 0V and 0A with the output OFF. These settings can be customized by end users. If you suspect that the power supply has been used by someone else since it was received from the factory, be prepared for the unit to power ON with a live DC output.

The functional test procedures described in this section include power-on and front panel function checks as well as voltage and current mode operation checks.

Installation

Basic Checks or Self-Tests

Equipment

Required

• Digital Voltmeter (DVM) rated better than 0.05% accuracy.

• DC shunt 1mV/A (±0.25%) with connecting wire. The recommended current

ratings for the DC shunt and the wire must be at least 10% more than the output current of the power supply.

Display Test To ensure that the display is working properly:

1. Turn the power switch ON.

2. Observe the display panel.

Every pixel should illuminate for 2 seconds as part of the power-on self-test.

If you need to rerun the test:

1. Turn the power switch OFF.

2. Wait until the pixels fade to black.

Some residual charge may remain in the capacitors after the power is OFF. Waiting for the display to fade ensures that the capacitors have sufficiently discharged their power to reset the power supply.

3. Turn the power switch ON.

4. Observe the display panel.

If you observe or suspect that one or more of the display pixels is malfunctioning, contact the manufacturer.

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Installation

Basic Checks or Self-Tests

Power ON

Check

To complete the power on check:

1. Ensure that the AC power switch is OFF.

2. Connect the unit to an AC outlet.

3. Turn the front panel AC power switch to ON.

After a short power-on delay, the front panel digital meters and the CV annunciator illuminate. Both voltmeter and ammeter displays should read zero.

Check the front panel annunciators. If OUT ON is illuminated, press OUT ON/OFF to disable the output. The OUT OFF annunciator should now be illuminated. For an illustration of the annunciators and their locations, see “Status Annunciators” on page 28.

If the ERR indicator is lit, see “Read Error Messages” on page 82 or page 135 on how to read an error message, and consult Appendix C to determine the meaning of the error. If an unexpected error persists after the power has been cycled, contact the manufacturer for assistance.

Voltage Mode Operation Check

WARNING

On units rated higher than 40V, ensure that the electrical connections are protected to prevent accidental contact.

CAUTION

When making connections to the bus bars, ensure that each terminal’s mounting hardware and wiring assembly are placed so they don’t touch the other terminal and short the power supply outlet. Heavy connecting cables must have some form of strain relief so the connections aren’t loosened and the bus bars aren’t bent.

To complete the voltage mode operation check:

1. Ensure that the OUT OFF annunciator is illuminated. If OUT ON is illuminated, press OUT ON/OFF.

2. Connect a Digital Voltmeter (DVM) to the output terminals on the rear panel, observing correct polarity.

3. Press OUT ON/OFF to turn the DC output ON.

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Current Mode

Operation

Check

Installation

Basic Checks or Self-Tests

4. Slowly turn the Current knob clockwise 1 or 2 turns. Slowly turn the Voltage

knob clockwise and observe both the front panel voltmeter and the DVM. Do not exceed 10V.

5. Compare the DVM reading with the front panel voltmeter reading to verify the

accuracy of the internal voltmeter. Both readings should be the same within the accuracy of the meters. The minimum control range is from zero to the maximum rated output for the power supply model. Check that the Constant Voltage (CV) annunciator is illuminated.

6. Press OUT ON/OFF to turn the DC output OFF.

WARNING- High Temperature Hazard

Ensure that the current output does not exceed the rating of the shunt or load wiring during this test.

To complete the current mode operation check:

1. Ensure that the OUT OFF annunciator is illuminated. If OUT ON is illuminated,

press OUT ON/OFF.

2. Connect the DC shunt across the output terminals on the rear panel.

3. Connect the DVM across the DC shunt.

4. Press OUT ON/OFF to turn the DC output ON.

5. Slowly turn the Voltage knob clockwise to a maximum reading of 10V.

6. Slowly turn the Current knob clockwise to a maximum reading of 10A.

7. Compare the DVM reading with the front panel ammeter reading using I=V/R

where I is the current, V is the DVM reading, and R is the DC shunt resistance. The minimum control range is from zero to the maximum rated output for the power supply model. Check that the Constant Current (CC) annunciator is illuminated.

8. Press OUT ON/OFF to turn the DC output OFF.

9. Disconnect the DVM and the shunt.

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Installation

Load Wiring

When connecting load wiring to the power supply, consider the following factors:

• Current carrying capacity of the wire

• Maximum load wiring length for operation with sense lines

• Noise and impedance effects of the load lines

Current Carrying Capacity

As a minimum, load wiring must have a constant capacity greater than the output current rating of the power supply. This ensures that the wiring will not be damaged even if the load is shorted. Table 2.4. shows the maximum current rating, based on 450A per square centimeter, for various gauges of wire rated for 105°C operation. Operating at the maximum current rating results in a temperature rise of approximately 30°C for a wire operating in free air. Where load wiring must operate in areas with elevated ambient temperatures or bundled with other wiring, use larger gauges or higher temperature-rated wiring. For high current applications, custom-designed bus bars are typically used. To increase the current carrying capability, use parallel cables.

Table 2.4 Current Carrying Capacity for Load Wiring

Wire Size (AWG)

20 2.5 4 97

18 4 2 155

16 6 1 192

14 10 1/0 247

12 16 2/0 303

10 21 3/0 350

8 36 4/0 405

6 61 250MCM 455

Maximum Current (A)

Wire Size (AWG)

Maximum Current (A)

1. Single insulated conductors in free air, 30°C

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Installation

Load Wiring

Length for

Operation

with Sense

Lines

Noise and

Impedance

Effects

For applications using remote sensing, or for improved voltage regulation at the load, you must limit the voltage drop across each load line. We recommend that you use the larger load wiring to ensure a smaller voltage drop (1V maximum), although units will compensate for up to 5V drop in each line with the remote sense lines connected.

To minimize noise pickup or radiation, use the shortest possible length of shielded-twisted pair wiring for load lines. Connect the shield to the chassis via a rear panel mounting screw. Where shielding is not possible or is impractical, twisting the wires together offers some noise immunity. When using local sense connections, use the largest practical wire size to minimize the effects of load line impedance on the regulation of the supply.

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Installation

Load Connections

WARNING

Exercise caution when operating the power supply. High energy levels can be stored at the output terminals on a power supply in normal operation. In addition, potentially lethal voltages exist in the power circuit and on the output and sense connectors of a power supply with a rated output greater than 40V. Filter capacitors store potentially dangerous energy for some time after power is removed.

CAUTION

When making connections to the bus bars, ensure that each terminal’s mounting hardware and wiring assembly are placed to avoid touching the other terminal and shorting the power supply outlet. Heavy connecting cables must have some form of strain relief so they don’t loosen the connections or bend the bus bars.

Make load connections at the rear of the power supply at the positive and negative output bus bars or to the 4-terminal wire clamp connector, depending on the model. (See Figure 2.7.)

Wire Size The wire should be one size larger than necessary to accommodate the required

output current. Normally, the next largest commonly used gauge is used. For example, use 10AWG for 20A, and 8AWG for 30A.

Isolation The wire must have a suitable insulating coating that will prevent arcing between the

positive and negative output current, and must be rated for 105

50 Operating Manual for XDC Series Power Supply

°C operation.

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Load Connections

Single Load To connect a single load to the DC output bus bars (10–150V outputs):

1. Ensure that the power supply is powered OFF.

2. Place a bolt in the connecting hole of the negative bus bar, and fasten the negative wire or bus bar, a washer, and a nut to the bolt.

3. Using a wrench, turn the bolt until it is secure at approximately 25 foot-pounds (34Nm).

4. Fasten the positive wire or bus bar to the positive bus, using a bolt, washer, and nut.

5. Tighten the bolt to approximately 25 foot-pounds (34Nm).

6. Ensure that the positive and negative wires are arranged so bare wires do not come into contact with each other or the chassis.

To connect the DC output wire clamp connectors (300V, 600V outputs):

• Connect appropriately sized wires as described in steps 1 to 6 above, except strip

0.5 in. (14mm) of insulation off each load wire, and clamp in the output connector by securely tightening the vertical clamp screw for each output.

Installation

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Installation

Load Connections

Multiple

Loads

To connect multiple loads in parallel:

• Follow the “Single Load” procedure with the following exception:

• To minimize interaction between loads, bring the wiring for each load directly

back to the supply output. When each load to the power supply is wired separately, the loads will see only the precisely regulated output from the supply. If 2 loads share a single cable, the fluctuation in current to one load will cause the voltage to vary on the others. This is due to wire impedance drops.

Figure 2.7 Fastening the Output Wires (6000 Watt)

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(Low and Medium Voltage)

Installation

Load Connections

Output Strain

Relief/Cover

See Figure 2.8 and Figure 2.9 for installation of the output cover. Use this cover to protect users from accidental contact with the bus bars and to clamp output cables in place.

Figure 2.8 Output Bus Bar Cover for 6000 Watt units

(Low and Medium Voltage)

Figure 2.9 Output for 12000 Watt units (Low and Medium Voltage)

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Installation

Load Connections

Figure 2.10Output Cover with Strain Relief for 6000 Watt units

(High Voltage 300–600V)

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Installation

Load Connections

Figure 2.11Output for 12000 Watt units (High Voltage 300–600V)

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Installation

Remote Sensing

The power supply regulates the output voltage at the output connectors in its normal configuration without remote sense lines connected.

Remote sensing lets the power supply track and regulate the output voltage at the load, and thereby compensate for the voltage drop in the load lines. The power supply will only compensate within the limitations of its voltage rating, to a maximum of 5V per load line. Remote sensing is normally only required for critical loads which cannot tolerate the slight voltage drop in the load lines caused by their resistance. Remote sensing has no effect when the power supply is operating in Constant Current mode.

Two remote sensing connectors are located on the rear panel of the power supply. See “Rear Panel” on page 30 for location and polarity. Connect 2 wires from these ports to the load, where the power supply cables terminate for your connection. Carefully observe the correct polarity when making the connection. On 12000 Watt units, connect the sense wires to the connector on the top or master power module.

The remote sensing input is sensitive to electrical noise, so always use a shielded twisted pair, 22AWG or greater for the sense line cable. Terminate the shield to the supply chassis or the negative output of the power supply for best results.

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Section 3. Operation

Overview

Once you have installed the power supply and connected both the AC input power and the load as explained in Section 2, the power supply is in its default configuration and is ready to operate in local control mode.

Section 3 begins by explaining how to power on and power off the power supply. It then provides information about configuring the power supply, and also gives procedures for operating the supply via the front panel controls and menu functions.

In addition, brief descriptions are provided of Constant Voltage, Constant Current, and Constant Power modes. See “Power Supply Operation” on page 64.

Powering ON

the Power

Supply

WARNING- Shock Hazard

To power on the power supply:

1. Ensure that the AC power switch is OFF.

2. Connect the unit to an AC outlet.

3. Turn on the front panel AC power switch.

After a short power-on delay, the digital meters on the front panel and the CV annunciator illuminate. The voltmeter and ammeter displays should read zero.

Check the front panel annunciators. If OUT ON is illuminated, press OUT ON/OFF to disable it. The OUT OFF annunciator should now be illuminated. For an illustration of the annunciators and their locations, see Figure 1.5.

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Operation

Power Supply Operating States

Powering

OFF the

Power Supply

From the front panel, the safest method for shutting down the power supply is:

Step # Do This You Will See

OUT

ON OFF

illuminates; Ouput V and I are 0.

fades to black.

1 The OUT OFF annunciator

2 Switch the AC power to OFF. The AC OFF alarm, and then the unit

Power Supply Operating States

The power supply has 5 operating states:

• Power-On

• Output Shutdown

• Soft Start

• Normal Operation

• Calibration

Power-On This is the period between the time that AC power is applied to the supply (AC

breaker turned on) and the time that the power supply is ready for operation. During this period, the internal circuits are powering up and performing self-tests. At the end of the Power-On period, the supply is normally in its default Power-On mode with the output OFF, V

SET

=0 and I

SET

=0.

Output

Shutdown

In this state, the output is disabled and there is no output regardless of power settings. The power supply can be placed in the Output Shutdown state by a command (via the front panel or from the programming interface), via the Interlock signal, or from a protection mechanism. This is also called the Standby mode.

Soft Start In this state, the output power is ramping up gradually towards its target load. This

reduces equipment stress. This state occurs whenever the supply output is set to ON or a protection state is re-set, and is approximately 2 seconds in duration.

Normal

Operation

This is the normal operating state for the power supply. The power supply is ready to accept commands.

Calibration This is a service mode that is used to calibrate setpoints and readback levels for

accuracy. Calibration should only be performed by qualified service personnel. For detailed information, see Appendix A.

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Power Supply Regulation Modes

The power supply has 3 regulation modes while in the Normal Operation State:

• Constant Voltage (CV)

• Constant Current (CC)

• Constant Power (CP)

The CV, CC, and CP annunciators indicate the regulation mode.

Operation

Power Supply Regulation Modes

Constant

Voltage (CV)

Constant

Current (CC)

Constant

Power (CP)

In this mode, the supply’s output voltage is constant while the current and power vary with the load. The power supply will operate in constant voltage mode whenever the load current I (I

L=VSET/RL

). In constant voltage mode, the power supply maintains the output

is less than the current limit setting I

voltage at the selected value (V

) while the load current IL varies with the load

SET

, or: IL<I

SET

requirements.

In this mode, the supply’s output current is constant while the voltage and power vary with the load. The power supply will operate in constant current mode whenever the load resistance is low enough that the load current I current limit setting I maintains the output current at the selected value (I

SET

. (VL=I

). In constant current mode, the power supply

SETRL

) while the load voltage VL

SET

is equal to the

varies with the load requirements.

In this mode, the supply’s output power is constant while the voltage and current vary with the load resistance. The power supply will operate in Constant Power mode when the power drawn by the load is equal to the power setpoint and the product of the voltage and current setpoint (V limit point (P power at the selected value (P

). In Constant Power mode, the power supply maintains the output

SET

) while the load voltage VL and load current IL

SET

and I

) is greater than the power

SET

varies with the load requirements. The power limit is normally set to the maximum supply rating, so the Constant Voltage or Constant Current modes will always be in effect without entering into the Constant Power mode of operation.

Automatic

Mode

Crossover

This feature allows the power supply to automatically switch operating modes in response to changing load requirements. If, for example, the power supply was operating in Constant Voltage (CV) Mode (I load current (I supply would automatically switch into Constant Current (CC) Mode and the output voltage would vary in response to changes in load current. If the additional load was subsequently removed so the load current was again LESS THAN the current limit setting, the supply would automatically return to Constant Voltage (CV) Mode.

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< I

) became EQUAL TO the current limit setting (I

), and the load changed so the

SET

), the power

SET

Operation

Remote Control Modes

A number of control interfaces are available. You can control the power supply remotely using 0–5V or 0–10V signals via the remote analog programming interface or from a remote terminal using a remote digital interface. A remote digital interface following RS-232 protocol is standard. An optional remote digital interface following IEEE 488.2 (GPIB) protocol is also available. An optional CANbus port for 6000 Watt units is also available which enables multi-channel communication from a single GPIB address, and supports current sharing with parallel connected units. (For detailed information, see Section 4, “Remote Operation”.)

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Front Panel Controls

The power supply is shipped ready to operate in local mode. The factory default power-on setting is 0V, 0A with the DC output turned off.

This section describes the function keys, menu options, and control knobs that you use to operate the power supply. (Additional details about the front panel keys, control knobs, and display annunciators are provided in Section 1, “About The XDC Power Supply”.)

The next section (“Power Supply Operation” on page 64) provides details about configuring and operating the power supply.

Operation

Front Panel Controls

Function

Keys

Eight function keys are located on the front panel. Each is described below. For the purposes of simple front panel control, you should understand the function of the LCL/RMT, OUT ON/OFF, VOLTAGE, and CURRENT keys.

1. VOLTAGE: Lets you pre-set a setpoint before enabling it. To pre-set a voltage setpoint, press VOLTAGE, use the Voltage knob or the numeric keypad to enter a value, and then press ENTER to enable it. (See “Set Voltage” on page 64.)

This output can be changed while the output is OFF.

2. CURRENT: Lets you pre-set a setpoint before enabling it. To pre-set a current setpoint, press CURRENT, use the Current knob or the numeric keypad to enter a value, and then press ENTER to enable it. (See “Set Current” on page 64.)

This output can be changed while the output is OFF.

3. STORE: Lets you save power supply settings. (See “Store User Settings” on page 77.)

4. OUT ON/OFF: This is a toggle key that enables and disables the power supply output. Normally, you should leave the power supply in its Output Off state when no load is attached or there is no need for DC output. (See “Turn Output On or Off” on page 65.)

When the Out On annunciator is illuminated, the output is on. When the Out Off annunciator is illuminated, the output is off.

5. LCL/RMT: This key lets you toggle between local and remote control. If the RMT annunciator is illuminated, press LCL/RMT to return control to the front panel, if local mode has been enabled by the controller. (See “Toggle Local/Remote” on page 74.)

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Operation

Front Panel Controls

6. PROT SET: Lets you view and set protection setpoints. (See “Set Output Protection” on page 65.)

7. RECALL: Lets you apply stored power supply settings. (See “Recall Settings” on page 79.)

8. EXIT: Lets you cancel an operation or leave Calibration mode or Auto Sequence mode.

Navigation

Top Level

Menu Items

Four keys allow you to access many functions available on the menu. These keys are MENU, ENTER, and the Up and Down arrow keys.

To display the first menu item, press MENU. To display the other top level menu items in the order listed below, press MENU or the Down arrow repeatedly. To display the other items in reverse order, press the Up arrow repeatedly.

The top level menu items are:

1. ERROR MSGS: Lists up to 50 queued errors. (See “Read Error Messages” on page 82.)

2. USER LINES: Configures auxiliary lines A and B. (See “Configure User Lines” on page 83.)

3. PON CONFIG: Configures the power-on settings. (See “Configure Power ON Settings” on page 84.)

4. S/D RECOVERY: Sets up shutdown recovery options for AC Off and Over-Temperature Protection. (See “Set Shutdown Recovery for AC Off and OTP” on page 71.)

5. REMOTE SELECT: Sets up the remote access option. (See “Select Remote Control Source” on page 75.)

6. REMOTE CONFIG: Configures the remote access option. (See “Configure Remote Control Source” on page 76.)

7. AUTO SEQ PGM: Programs automatic sequences. (See “Program Auto Sequence” on page 87.)

8. CURRENT SHARE: Sets up master/slave relationships for multiple-supply configurations. (See Section 5, “Current Sharing (6000 Watt only)”.)

9. POWER SETPT: Sets up the power output. (See “Set Power” on page 65.)

10. DISPLAY CFG: Sets up the display to show the desired combination of voltage, current, and power. (See “Configure Display” on page 98.)

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Operation

Front Panel Controls

11. KNOB LOCKOUT: Locks out either the Voltage or Current knob, or locks out

both. (See “Lock Out Control Knobs” on page 98.)

12. SETPT LIMIT: Sets up minimum and maximum voltage, current, and power

setpoints. (See “Set V, I, and P Limits” on page 100.)

13. SLEW RATE: Sets the programmable slew rate. (See “Slew Rate” on page

102.)

14. CALIBRATION: Displays the Calibration menu. This menu item can be

password protected. (See Appendix , “.”.)

15. MODEL INFO: Displays make, electrical ratings, ROM version, FPGA

version, and SCPI version. (See “View Model Information” on page 104.)

Control

Knobs

The Voltage and Current knobs are the simplest way to control the power supply.

The Voltage and Current knobs are digital encoders, and therefore, there are no start or end points to their rotation, and their rotation positions are meaningless when the power supply is powered OFF. The control knobs can be disabled through a menu command. See “Lock Out Control Knobs” on page 98 for more information.

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Operation

Power Supply Operation

This section describes how to configure and operate the power supply.

Set Voltage The VOLTAGE key allows you to set and view the DC voltage output setpoint.

Step # Do This You Will See

VOLTAGE

1 Set #####V

Use the numeric keypad, Voltage

knob, or arrow keys to enter a value (0–103% of rated voltage).

3 This saves the setting and enables

ENTER

the new voltage setpoint.

Set Current The CURRENT key allows you to set and view the DC current output setpoint.

Step # Do This You Will See

CURRENT

1 Set #####A

Use the numeric keypad, Current

knob, or arrow keys to enter a value (0–103% of rated current).

3 This saves the setting and enables

ENTER

the new current setpoint.

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Operation

Power Supply Operation

Set Power The POWER SETPOINT menu option lets you select the power output limit,

measured in watts. The following table shows how to access and work with the Power Setpoint option. The power setpoint is normally at the maximum rating of the power supply, in the factory default configuration and does not need to be re-set for typical use.

Step # Do This You Will See

Turn Output

On or Off

Set Output

Protection

1 ERROR MSGS

3 SET ##### W

5 This saves the value and enables the

Press 8 times.



ENTER

Use the numeric keypad or arrow keys to enter the value, which must be 3–103% of the unit’s rated power.

ENTER

POWER SETPOINT

new power setpoint.

Use the OUT ON/OFF toggle key to enable or disable the power supply’s output. When the output is disabled, the voltage and current at the output are zero regardless of the setpoints.

When the output is on and you press OUT ON/OFF, OUTPUT OFF is momentarily displayed. Then the readback is 0000V 0000A to indicate that output is zero, and the OUT OFF annunciator illuminates. This is also known as Standby mode.

When you press OUT ON/OFF again, the OUT ON annunciator illuminates and the power supply resumes normal operation, with the display showing a readback of the output.

Seven configurable protection mechanisms are available:

• OVP: Over-Voltage Protection. Factory default = 103% V

RATED

• UVP: Under-Voltage Protection. Factory default = 0V (disabled)

• OCP: Over-Current Protection. Factory default = 0A (disabled)

• UCP: Under-Current Protection. Factory default = 0A (disabled)

• OPP: Over-Power Protection. Factory default = 0W (disabled)

• UPP: Under-Power Protection. Factory default = 0W (disabled)

• Fold: Fold Protection. (See below.)

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Operation

Power Supply Operation

OVP shuts down the power supply if the protection limit is exceeded. The other options offer a choice: they shut down the power supply or issue a warning. When the protection level is set to zero, that mechanism is considered disabled. However, in the case of OVP, a hardware protection mechanism still exists.

The last protection mechanism is Fold Mode protection, when the unit will shut down if it enters the selected regulation mode for a specified period of time.

Other protection mechanisms designed to protect the power supply are:

• AC Off: AC Off protection will disable the output if the AC line drops below

• High Temperature Alarm: A High Temperature condition will queue an alarm

• Over Temperature Protection (OTP): An over temperature condition will

• Sense Protection: Sense Protection will disable the output when the internal

the acceptable range.

message when the temperature of critical internal components nears the maximum operating temperature.

disable the output.

sense circuit is tripped by either reversed polarity at the output of the supply or a high voltage present at the output.

Recovery options are available for AC Off and OTP.

Also, see “Status Registers” on page 142.

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To set the Over-Voltage Protection:

Step # Do This You Will See

PROT SET

1 OVP SHUTDOWN

ALARMS

Operation

Power Supply Operation

2 OVP SET 0V

ENTER

Use the Voltage knob, the numeric, keypad, or the arrow keys to enter a

OVP SET ####V

value. The value must be between 0–103% of the unit’s rated voltage.

4 This setting is saved and the display

ENTER

returns to its default operating mode.

The other protection options follow a similar procedure, but have 2 extra steps:

1. When you press PROT SET / ALARMS, the OVP prompt appears. Press

PROT SET/ ALARMS repeatedly to cycle through the other protection options.

2. Protection options, other than OVP, prompt you with S/D if trip? N

Use the arrow keys to select Ye s or No.

Ye s shuts down the power supply if the protection limit is reached. No issues a warning (a message in the Alarms menu) without shutting down the

supply.

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Operation

Power Supply Operation

These 2 extra steps are shown in the following example.

To set the Under-Voltage Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

ALARMS

2 Press repeatedly until the

PROT SET

ALARMS

3 UVP SET 0V

Use the Voltage knob, the numeric

keypad, or the arrow keys to enter a

desired setting appears.

ENTER

UVP SET 0V

UVP SET ####V

value (0–103% of the unit’s rated voltage).

5 S/D if trip? N

6 Use the arrow keys to select Yes or

ENTER

S/D if trip? Y

No. For this example, Yes is selected.

7 This setting is saved and the display

ENTER

returns to its default operating mode.

To set the Over-Current Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

2 Press repeatedly until the

ALARMS

PROT SET

ALARMS

OCP SET 0A

desired setting appears.

3 OCP SET 0A

ENTER

Use the Current knob, the numeric keypad, or the arrow keys to enter a value (0–103% of the unit’s rated current).

5 S/D if trip? N

ENTER

6 Use the arrow keys to select Yes or

No. For this example, Yes is selected.

7 This setting is saved and the display

ENTER

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OCP SET ####A

S/D if trip? Y

returns to its default operating mode.

To set the Under-Current Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

2 Press repeatedly until the

ALARMS

PROT SET

ALARMS

UCP SET 0A

desired setting appears.

Operation

Power Supply Operation

3 UCP SET 0A

ENTER

Use the Current knob, the numeric keypad, or the arrow keys to enter a

UCP SET ####A

value. The value must be between 0–103% of the unit’s rated current.

5 S/D if trip? N

7 This setting is saved and the display

ENTER

Use the arrow keys to select Yes or No.

For this example, Yes is selected.

ENTER

S/D if trip? Y

returns to its default operating mode.

To set the Over-Power Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

2 Press repeatedly until the

3 OPP SET 0W

ALARMS

PROT SET

ALARMS

desired setting appears.

ENTER

Use both the Current and Voltage knobs, or the numeric keypad, or the arrow keys to enter a value. The value must be between 0W and 103% of the unit’s rated power.

OPP SET 0W

OPP SET ####W

5 S/D if trip? N

6 Use the arrow keys to select Yes or

7 This setting is saved and the display

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ENTER

S/D if trip? Y

No. For this example, Yes is selected.

ENTER

returns to its default operating mode.

Operation

Power Supply Operation

To set the Under-Power Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

ALARMS

2 Press repeatedly until the

PROT SET

ALARMS

3 UPP SET 0W

Use both the Current and Voltage

knobs, or the numeric keypad, or the

desired setting appears.

ENTER

UPP SET 0W

UPP SET ####W

arrow keys to enter a value (must be between 0W and 103% of the unit’s rated power).

5 S/D if trip? N

7 This setting is saved and the display

ENTER

Use the arrow keys to select Yes or No. For this example, Yes is selected.

ENTER

S/D if trip? Y

returns to its default operating mode.

Fold Protection options are:

• None: Fold protection disabled

• CC: Shutdown on entering CC mode

• CV: Shutdown on entering CV mode

• CP: Shutdown on entering CP mode

A programmable delay time causes the supply to wait before shutting down the output.

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To set Fold Protection:

Step # Do This You Will See

PROT SET

1 OVP SET 0V

2 Press repeatedly. Fold SD Mode

ALARMS

PROT SET

ALARMS

Operation

Power Supply Operation

Set

Shutdown

Recovery for

AC Off and

OTP

ENTER

Use the arrow keys or the numeric keypad to select the value: None, CC,

Fold on ####

CV, CP

7 This setting is saved.

ENTER

Use the arrow keys or the numeric keypad to select the delay time.

ENTER

Delay 0s

The Shutdown Recovery menu offers 2 options for AC Off (ACO) and Over-Temperature protection (OTP):

• Auto-Recovery: With this method, the power supply returns to its normal

operating state once the alarm condition no longer exists. For example, if there was an over-temperature alarm and the protection was set to auto-recovery, the power supply would return to its normal operating state once the temperature was reduced below the alarm level.

• Latched: With this method, the power supply remains in Shutdown state until

the operator manually clears the protection level and manually turns the output back on.

You can set either or both the OTP and AC Off to Auto-Recovery or Latched.

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Operation

Power Supply Operation

To set both OTP and AC Off to Auto-Recovery:

Step # Do This You Will See

Respond to

Alarms

1 ERROR MSGS

2 3 times

3 OTP Latched

4 OTP AutoRecov

5 ACO AutoRecov

1. You can also press MENU 4 times to bring up the Shutdown Recovery option.

2. The default is Latched. You can leave it at Latched or change it to Auto-Recovery. Press

either arrow key repeatedly until the desired option appears.

3. The default is AutoRecov. You can leave it at Auto-Recovery or change it to Latched. Press

either arrow key repeatedly until the desired option appears.



ENTER



ENTER

S/D RECOVERY

OTP is set to Auto Recovery.

ACO remains set to Auto Recovery and the display returns to its default operating mode.

If there is a protection alarm, press the PROT SET/ALARMS key to read the message or messages. Once you have read a message, the system clears it from memory. To tell the system that a message has been read, press an arrow key. If a message has been read and the conditions that caused the alarm no longer exist, the display shows Alarms Cleared.

If the unit has shut down, resume operation by pressing the OUT ON/OFF key.

The following table shows what to do if there is an OC Alarm and an OP Alarm, and the conditions that caused the alarms no longer exist:

Step # Do This You Will See

PROT SET

1 OC Alarm

2 OP Alarm

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ALARMS

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Operation

Power Supply Operation

If the alarms are cleared, the system returns to its default operating state. If the alarms persist, the system prompts OVP SET #####V. The system has shifted to output protection mode. You can press ENTER to work with the OVP setting or press the arrow keys to view the other protection settings. See “Set Output Protection” on page 65 for more information.

WARNING- Fire Hazard

If an over-voltage, over-current, or over-power protection error persists without apparent cause, press OUT ON/OFF to disable the output, and turn the AC switch OFF. Inspect the load and power supply for evidence of an electrical fault. The power supply should not be brought back into operation if there is any evidence of an electrical fire or other safety hazards.

The possible alarms are:

• OVP Shutdown

• UVP Shutdown

• OCP Shutdown

• UCP Shutdown

• OPP Shutdown

• UPP Shutdown

• UVP Alarm

• OCP Alarm

• UCP Alarm

• OPP Alarm

• UPP Alarm

• Fold Shutdown

• SenseShutdown

• Hi Temp Alarm

• OTP Shutdown

• AC Off

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Operation

Power Supply Operation

Shutdown vs Protection Alarm

If a protection setpoint is exceeded, the system does the following:

1. If S/D if tripped? Y has been selected, the unit shuts down.

2. If S/D if tripped? N has been selected, and it is not an OVP alarm, the

3. If the unit is not shutting down, the system still sets the appropriate status bits in

If it is an OVP alarm, the unit shuts down.

unit does not shut down but does create an alarm message.

the questionable status register, which can be queried remotely. See “Status Registers” on page 142 for more information.

Set Up

Remote

Control

Toggle

Local/Remote

The power supply can be controlled locally with the front panel or remotely through several different interfaces. The remote interfaces are discussed in Section 4, “Remote Operation”, Appendix B. “SCPI Command Reference”, and Appendix D. “GPIB”.

The factory default remote control setting is RS-232. It has a default configuration of 9600 baud.

The LCL/RMT key allows you to shift between local and remote control.

To shift from local to remote control:

Do This You Will See

LCL/RMT

RS-232

In the case shown, the power supply has changed from local, front panel control to remote control through its RS-232 port. The remote control options are RS-232, Analog V and I, Analog V, Analog I, GPIB, and Linked. You can change the remote control source through the

REMOTE SELECT menu option. (See “Select Remote

Control Source” below.)

There are 2 exceptions to this function:

• If the power supply has Local Lockout (LLO) active, it will not let you shift from

remote to local control. Instead, the display will show LLO on, and the system will remain in remote control.

• If the system is using GPIB, it will shift to remote control only when the Remote

enable line, REN = 1 and a command is sent from the remote controller.

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Operation

Power Supply Operation

Select

Remote

Control

Source

The REMOTE SELECT menu option allows you to select an interface for remote control. Before selecting a remote control source, be sure to set up each interface using the Remote Configure menu. See “Configure Remote Control Source” on page 76

Remote control sources are listed here along with their respective programming interfaces:

• RS–232

• Analog V & I: Voltage and current programmed via the analog interface

• Analog V: Voltage programmed via the analog interface; current

programmed via front panel

• Analog I: Current programmed via the analog interface; voltage programmed

via front panel

• GPIB

• Multichnl: multichannel operation using the optional CANbus interface

between units (only available for 6000 Watt units)

To change the remote control source:

Step # Do This You Will See

1 ERROR MSGS

2 4 times REMOTE SELECT



3 RS-232

4 or

ENTER



Press repeatedly until the desired remote control source appears.

ENTER



The options are RS-232, Analog V & I, Analog V, Analog I, GPIB, and RMT linked.

The setting is saved and the display returns to its default operating mode.

If you change the remote setting to GPIB, the next time you shift from local to remote control, the unit will shift to GPIB control.

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Operation

Power Supply Operation

Configure

Remote

Control

Source

The REMOTE CONFIG menu option lets you set up the attributes of the remote control sources.

The following table shows how to access and work with the Remote Configuration option.

Step # Do This You Will See

1 ERROR MSGS

2 5 times

3 RS-232 Cfg

4 or

1. You can also press MENU 5 times.



ENTER



Press repeatedly until the desired remote control source appears.

ENTER



REMOTE CONFIG

RS-232 Cfg Analog Cfg GPIB Cfg Multichnl Cfg

See the tables that follow to see how to proceed.

After you have selected the remote control source you want to configure, configure that setting using appropriate values from the following table. Select values using the arrow keys or the numeric keypad. To save a value you have selected, press ENTER.

See Section 4, “Remote Operation” for detailed instructions on setting up remote interfaces.

Remote Control Source

RS-232 Baud ######

Analog Input #### V Select the operating range of the

GPIB GPIB Addr ##

Multichannel Slave Addr ##

1. This range depends on the user’s network configuration.

2. Hdwr = hardware handshake; XON = software flow control XON/XOFF characters used; None

= no flow control

76 Operating Manual for XDC Series Power Supply

Prompt Configuration Settings

1200, 2400, 4800, 9600, 19200,

38400

Flow Ctl ####

PON SRQ? Y

Connect?

Hdwr, XON, None

API: 0–5 0–10

1–30 Y, N

2-50 Y, N

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Operation

Power Supply Operation

Store User

Settings

If you have a frequent or constant need for a specific voltage and current output, you can save these setpoints in the power supply’s memory as a user setting. Once a setting is stored, it remains in the power supply’s memory after the unit is powered off.

Ten user setting memory locations are available, and each saves the following parameters:

• Voltage setpoint

• Current setpoint

• Power setpoint

• Over-voltage protection setpoint (OVP)

• Under-voltage protection setpoint and shutdown configuration (UVP)

• Over-current protection setpoint and shutdown configuration (OCP)

• Under-current protection setpoint and shutdown configuration (UCP)

• Over-power protection setpoint and shutdown configuration (OPP)

• Under-power protection setpoint and shutdown configuration (UPP)

• Foldback protection mode and delay settings

• Over-temperature protection auto recovery configuration (OTP)

• AC Off auto recovery configuration (ACO)

• Aux line configuration

• Front panel display configuration

• Front panel knob lockout

• Voltage, current, and power limits

• Triggered voltage, current and power setpoints

• Trigger source

Note All parameters are saved and used when the user setting is recalled. Therefore, you

should set parameters that you do not care about to the factory defaults.

To create and save a user setting:

1. Set up the power supply with all the parameters you require.

2. Press

3. Select a memory location, and press to save your settings.

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STORE

ENTER

Operation

Power Supply Operation

The following table demonstrates how to set and save current and voltage settings:

Step # Do This You Will See

VOLTAGE

1 Set #####V

Change

Stored

Settings

2 Turn the Voltage knob or use the

numeric keypad to enter a voltage setpoint.

4 Set #####A

ENTER

CURRENT

Turn the Current knob or use the numeric keypad to enter a current

Set #####V

Your voltage setting appears on the display.

Your voltage setting is saved.

Your current setting appears on the display.

setpoint.

STORE

ENTER

Set 1 (unused)

Set 1

Your voltage and current setting is now

saved as Set 1.

1. (unused) appears with Set 1 if there are no saved settings in the system. Press Enter to save

your setting as Set 1. If (unused) does not appear, then you can overwrite Set 1 with your new setting or use the numeric keypad or arrow keys to find the next unused set number. You can also press CE to clear an existing setting and then press ENTER to replace the cleared setting with your new setting.

To change a stored setting, overwrite it with a new setting, or select the setting, press CE and hold it for a few seconds to clear the setting from memory.

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Operation

Power Supply Operation

Recall

Settings

After you have saved one or more settings, you can press RECALL to retrieve them from the power supply’s non-volatile memory or to run an auto-sequence program. (You can also recall stored settings through your Power ON configuration. See “Configure Power ON Settings” on page 84.)

To retrieve a setting using RECALL:

Step # Do This You Will See

1 Last Setting

3 User Set 1

RECALL

ENTER

User Settings

This setting is retrieved from memory, the power supply’s output changes to match the setting, and the display returns to its default operating mode.

1. If you want a different setting besides Set 1, use the arrow keys or numeric keypad.

Four options are available from the Recall memory:

1. Last Setting: Returns the setpoints to values stored before power was turned off.

2. User Settings: Returns the setpoints to one of ten possible saved values.

3. Factory Preset: Returns the setpoints to the original out-of-the-box values.

4. Auto Sequence: Returns control of the setpoints to one of ten possible saved

programs. (For further information, see “Program Auto Sequence” on page 87.)

To access these options, press RECALL repeatedly until the correct option appears, or press the arrow keys. Pressing RECALL lets you scroll through the options in the direction listed above. Pressing the arrow keys lets you cycle through the options in either direction.

To restore the last setting:

Step # Do This You Will See

1 Press once. Last Settings

2 Press to restore last

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RECALL

ENTER

setting.

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Operation

Power Supply Operation

To select a stored user setting:

Step # Do This You Will See

1 Press twice. User Setting

2 Use the numeric keypad

RECALL

ENTER

User Set ##

or arrow keys to enter a value between 1 and 10.

3 Use the numeric keypad

ENTER

or arrow keys to enter a value between 1 and 10.

1. This prompt appears when there is at least one saved setting in memory. If there are no saved

settings, the display reads None Saved and then automatically returns to User Settings.

To select a factory setting:

Step # Do This You Will See

1 Press 3 times. Factory Preset

2 This restores the setpoints

RECALL

ENTER

to factory defaults.

To select Auto Sequence:

Step # Do This You Will See

RECALL

ENTER

Press 4 times.

Auto Sequence

User Set ##

Use the numeric keypad or arrow keys to enter a value between 1 and 10.

3 This runs the selected

ENTER

Auto Sequence program.

1. This prompt appears when there is at least one saved programs in memory. If there are no saved programs, the display reads None Saved and then automatically returns to Auto Sequence.

For operation of Auto Sequence mode, see “Using Auto Sequencing” on page 97.

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Power Supply Operation

Table 3.1 Settings Affected by Recall

Feature Factory Preset Value

Voltage setpoint 0.0V

Current setpoint 0.0A

Power setpoint 103% of power rating

Triggered voltage setpoint Disabled (DEF)

Triggered current setpoint Disabled (DEF)

Triggered power setpoint Disabled (DEF)

Trigger source None

Low voltage setpoint limit 0.0V

High voltage setpoint limit 103% of voltage rating

Low current setpoint limit 0.0A

High current setpoint limit 103% of current rating

Low power setpoint 0% of power rating

High power setpoint 103% of power rating

Over voltage protection Disabled (0.0V)

Under voltage protection Disabled (0.0V) and not shutdown when tripped

Over current protection Disabled (0.0A) and not shutdown when tripped

Under current protection Disabled (0.0A) and not shutdown when tripped

Over power protection Disabled (0.0W) and not shutdown when tripped

Under power protection Disabled (0.0W) and not shutdown when tripped

Fold shutdown protection None and delay 0.5s

AC off shutdown recovery Auto recover

Over temperature

Latched

shutdown recovery

Front panel display config Show V, I & P

Knob lockout None

Aux line configuration None and active low

Operation

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Operation

Power Supply Operation

Read Error

Messages

The ERROR MSGS menu option lets you display up to 50 queued messages. Once each message has been read, it is cleared from the system. Press either arrow key to clear the displayed message and bring up the next message. Once all messages have been read and cleared, the prompt reads No errors, and the power supply automatically returns to the default state.

To read and clear error messages:

Step # Do This You Will See

1 ERROR MSGS

2 Error -###

3 Press repeatedly until all

ENTER



messages have been read and cleared.

No errors

For a detailed description of all error messages, see Appendix C.

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Operation

Power Supply Operation

Configure

User Lines

The USER LINES menu option lets you configure the auxiliary status lines

The Auxiliary (Aux) lines are 2 open collector outputs that can be used to monitor the status of the power supply. The auxiliary lines are referred to as AUX A and AUX B. See “Making Connections for Remote Control” on page 107 for details. Each user line also has a corresponding annunciator on the front panel display to indicate when it is on. Aux lines can be set up to report the following status conditions:

• None

• Unregul: Output Unregulated

• OVP: Over-Voltage Condition

• UV: Under-Voltage Condition

• OC: Over-Current Condition

• UC: Under-Current Condition

• OP: Over-Power Condition

• UP: Under-Power Condition

• AC Off: Input power has failed or is out of range

• OTP: Over-Temperature Condition

• Hi Temp: High-Temperature Condition

• SenseProt: Sense Protection Tripped

• Fold Prot: Fold Protection Tripped

• CC: Constant Current Mode

• CV: Constant Voltage Mode

• CP: Constant Power Mode

• Out ON: Output On

• Out OFF: Output Off

To access and work with the USER LINES menu option:

Step # Do This You Will See

1 ERROR MSGS

3 Aux line A

4 or to select which

1. You can also press MENU again to bring up the AUX LINES option.

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

ENTER



line to configure.

ENTER



USER LINES

Aux line B

Cfg None

Operation

Power Supply Operation

Aux line B has been selected to be configured.

To configure Aux line B:

Step # Do This You Will See

Configure

Power ON

Settings

1 Press repeatedly until the

3 Press repeatedly until the



desired option appears. For this example, CV is selected.

ENTER



desired option appears. Select either “Act High” (Active high logic) or “Act Low” (Active low logic) for the auxiliary lines. In this example, Active Low is selected.

ENTER

Cfg CV

Pol Act High

Pol Act Low

This setting is saved and the display returns to its default operating mode.

The Power ON configuration can be set with 4 options:

• Factory Preset: Where the Power ON output is reset to the original factory

levels. These include: Output=OFF, V

=0, and I

SET

=0. (default configuration)

SET

• Last Setting: Where the Power ON output is set to the same level as when it was

last powered OFF. This is useful for automatic recovery from short power failures.

• User Settings: Where the Power ON output is set to a stored setting that is

recalled from memory. See “Store User Settings” on page 77.

• Auto Sequence: Where the Power ON output can be recalled from memory. See

“To edit the sequence’s trigger source:Using Auto Sequencing” on page 96.

The output state also depends on the Power ON Output setting. The values listed above are true only if the OUT ON? setting is Ye s. Otherwise Output is off (unit in Standby mode).

See “Recall Settings” on page 79 for settings affected by the Power ON feature.

Each of the 4 Power ON configuration options can be accessed from the Front Panel menus or remotely through a set of digital commands. The procedures that follow show how to use the Front Panel menus.

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Operation

Power Supply Operation

Factory Preset

Selecting Factory Preset lets you restore the factory defaults the next time the power supply is powered ON.

To select Factory Preset:

Step # Do This You Will See

1 ERROR MSGS

2 2 times

3 Last Setting

4 2 times

5 Out ON? Y

6 to select, or

ENTER

PON CONFIG

Factory Preset

The default display for the selected operating mode.

ENTER

and to change.



1. You can also press the Down arrow 2 times.

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Operation

Power Supply Operation

User Setting

User Setting lets you restore a custom setting the next time the unit is powered on. This assumes at least one user setting has been stored in memory. See “Store User Settings” on page 77.

To select User Setting:

Step # Do This You Will See

1 ERROR MSGS

2 2 times

3 Last Setting

4 User Settings

5 Enter a value from 1 to 10. User Set ##

6 or to scroll,

7 to select, or

1. You can also press the Down arrow 2 times.

ENTER



ENTER

to select.

ENTER

and to change.





ENTER

PON CONFIG

Out ON? Y

The default display for the selected operating mode.

Last Setting

Selecting Last Setting lets you restore the settings that are in use when the power supply is powered off, the next time it is powered on.

To select Last Setting:

Step # Do This You Will See

1 ERROR MSGS

2 2 times

3 Last Setting

4 Out ON? Y

5 to select, or

ENTER



1. You can also press the Down arrow 2 times.

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ENTER

and to change.

PON CONFIG

The default display for the selected operating mode.

Operation

Power Supply Operation

Auto-Sequence

Auto Sequence lets you recall a stored program next time the unit is powered on. (Assumes at least one program has been saved in memory. See “To edit the sequence’s trigger source:Using Auto Sequencing” on page 96.)

To select Auto Sequence:

Step # Do This You Will See

Program

Auto

Sequence

1 ERROR MSGS

2 2 times

3 Last Setting

4 3 times

5 Auto Seq 1

6 or to scroll

1. You can also press the Down arrow 2 times.

2. You can also press the Down arrow 3 times.

3. You can scroll through up to 10 stored programs.

ENTER



ENTER



to select.

PON CONFIG

Auto Sequence

The default display for the selected operating mode.

The AUTO SEQ PGM menu option is used to set up command programs for automated operation. There are 10 programmable sequences with up to 99 steps per sequence.

Each sequence can be repeated a programmable number of times or forever. If the sequence contains steps that advance by a trigger event, a single trigger source can be selected to advance those steps.

Each step can be programmed to set the voltage setpoint, current setpoint, power setoint, and OVP level automatically. Each step can also be programmed to advance by a delayed time or a trigger event. The duration of each step may range from 10 ms to 99 hours.

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Operation

Power Supply Operation

Programming

a Sequence

This option allows you to set up command programs for automated operation.

To program a sequence:

Note In the following procedure, only change the default setpoints if required. Otherwise simply press ENTER to accept.

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

5 Edit Sequence

7 Edit Step

or 6 times



ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



Edit mode is selected

Enter the step voltage setpoint

Enter the step current setpoint.

Enter the step power.

AUTO SEQ PGM

Sequence #

Step 1

S01 ####V

S01 ####A

S01 ####W

12 Set Step Time

ENTER



keys to select how you want to advance to the next step:

• Set Step Time waits for a certain

period. See the “Setting step advance by time:” table below.

• Wait for Trig waits for a trigger event.

See the “Setting step advance by trigger:” table below.

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Enter the step OVP level.

or . Use the scroll



S01 ####V

Step # Do This You Will See

14 Set the step advance method. To Next Step

Operation

Power Supply Operation

15 To go to the next step in

ENTER

the sequence. This will

Step 2

return you to step 7 in this table. Repeat steps 7 to 14 for all remaining steps in the sequence.

EXIT

Press to exit auto

sequence programming

and return to the default screen.

Setting step advance by time:

This procedure is continued from step 13 in the “To program a sequence:” table. It describes how to program the sequence to advance a particular step by waiting for a certain time period.

Step # Do This You Will See

Set Step Time

ENTER

Use the decimal key to move to the right.

Enter the Step duration.

The format of the display

is hh:mm:ss.ss.

T=##:##:##.##

2 To Next Step

The completion of this procedure will bring you back to step 15 of the “To program a sequence:” table. Continue programming the current step.

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ENTER

Operation

Power Supply Operation

Setting step advance by trigger:

This procedure continues from step 13 in the “To program a sequence:” table. It explains how to program the sequence to advance a particular step by waiting for a certain trigger event. See “Editing Trigger Source of a Sequence” on page 96 for more information about trigger event.

Step # Do This You Will See

Set Step Time

keys to select the Wait for Trig option.

2 To Next Step

or . Use the scroll



ENTER



Wait for Trig

The completion of this procedure will bring you back to step 15 of the “To program a sequence:” table. Continue programming the current step.

Note The default value for a sequence’s repeat time and trigger source is repeat once and trigger from key. See

“Editing Repeat Times of a Sequence” on page 95 and “Editing

Trigger Source of a Sequence” on page 96 for an explanation of how to edit these

values.

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Operation

Power Supply Operation

Deleting a Sequence

This option allows you to delete an entire sequence.

To delete a sequence:

Step # Do This You Will See

3 Sequence 1

5 Edit Sequence

7 Delete Seq? N

ENTER



keys to select a sequence to delete.

ENTER



keys to select the Del Sequence option.

ENTER



keys to confirm deletion.



6 times or .

or . Use the scroll



or . Use the scroll



or . Use the scroll



ERROR MSGS

AUTO SEQ PGM

Sequence #

Del Sequence

Delete Seq? Y

9 Seq Erased

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ENTER

Wait. Sequence is now deleted.

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Operation

Power Supply Operation

Editing a

Sequence

Step

This option allows you to edit a particular step in a sequence that has already been programmed or to add steps to a new program.

To edit a step in a programmed sequence:

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

6 Step 1

8 Edit Step



6 times or .

ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



keys to select a sequence to edit.

ENTER



or . Use the scroll



AUTO SEQ PGM

Sequence #

Edit Sequence

Step #

keys to select the Edit Step option. Follow step 8 of the “To program a sequence:” table in the “Programming a Sequence” section to finish editing the step.

92 Operating Manual for XDC Series Power Supply

or . Use the scroll





Edit Step

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Operation

Power Supply Operation

Inserting a

Sequence

Step

This option allows you to insert a particular step in a sequence that has already been programmed.

To insert a step into a programmed sequence:

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

6 Step 1

8 Edit Step



6 times or .

ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



keys to select the step to insert in front of.

ENTER



or . Use the scroll



AUTO SEQ PGM

Sequence #

Edit Sequence

Step #

keys to select the Insert Step option. Follow step 8 of the “To program a sequence:” table in the “Programming a Sequence” section to finish inserting the step.

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or . Use the scroll





Insert Step

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Operation

Power Supply Operation

Deleting a

Sequence

Step

This option allows you to delete a particular step in a sequence that has already been programmed.

To delete a step in a programmed sequence:

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

6 Step 1

8 Edit Step



6 times or .

ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



keys to select the step to delete.

ENTER



or . Use the scroll



AUTO SEQ PGM

Sequence #

Edit Sequence

Step #

keys to select the Delete Step option.

10 Step ## Deleted

11 Step ##

Step has now been deleted. Select

another step to work with or escape by pressing .

94 Operating Manual for XDC Series Power Supply

or . Use the scroll



ENTER



EXIT

Delete Step

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Operation

Power Supply Operation

Editing

Repeat Times

of a

Sequence

This option allows you to edit the number of times the sequence will run before it goes into STOP mode.

To edit the sequence’s repeat times:

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

7 Run Once



6 times or .

ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



keys to select the Set Repeat # option.

ENTER



keys to select the number of times to run the sequence:



or . Use the scroll



or . Use the scroll



AUTO SEQ PGM

Sequence #

Edit Sequence

Set Repeat #

Run XXXX

• Once will run the sequence once.

• 2 to 9999 times will run the sequence

the specified number of times.

• Forever will run the sequence forever.

9 Edit Sequence

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ENTER

The sequence’s repeat times has now been changed. Select another sequence to work with or escape by

pressing

EXIT

Operation

Power Supply Operation

Editing Trigger

Source of a

Sequence

When steps are programmed to advance step by trigger, this option allows you to edit the source of those trigger events.

To edit the sequence’s trigger source:Using Auto Sequencing

Step # Do This You Will See

1 ERROR MSGS

3 Sequence 1

7 Trig From Man



6 times or .

ENTER

or . Use the scroll



keys to select a sequence to work with.

ENTER



keys to select the Trig Source option.

ENTER



keys to select the trigger source:



or . Use the scroll



or . Use the scroll



AUTO SEQ PGM

Sequence #

Edit Sequence

Trig Source

Trig from ###

• Man is triggered by pressing the

trigger key.

• Ext is triggered by the rear external

trigger line.

• Imm is triggered by receiving an

INIT:IMM command

• Bus is triggered by a GPIB GET

command or a *TRG command.

9 Edit Sequence

The sequence’s trigger source has

now been changed. Select another sequence to work with or escape by

pressing

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ENTER

EXIT

Operation

Power Supply Operation

Using Auto

Sequencing

Auto Sequence programs can be set to run as a Power ON default or recalled from memory by pressing the RECALL key. In Auto Sequence mode, 3 of the function keys operate as alternates:

• VOLTAGE operates as RUN/PAUSE.

• CURRENT operates as TRIGGER.

• STORE operates as END.

In the following discussion about running programs in Auto Sequence mode, each of the keys mentioned above is referred to as their alternate function.

When an Auto Sequence program is launched from Recall, the AUTO SEQ annunciator illuminates on the front panel. Press EXIT to return the unit to normal operating mode.

Auto sequence programs can operate 3 different ways:

• They can run automatically through a series of steps, repeating those steps a

pre-set number of times if necessary, and complete their operation without intervention from an operator.

• They can run automatically and be paused. If you need to stop the program

temporarily, you can press PAUSE to stop it, and then press RUN to resume the program’s operation when ready. When a sequence is manually paused, the Pause annunciator is illuminated. (The output remains on and voltage may be present at the output.)

• They can run automatically programmed to wait for a trigger at certain points in

the sequence. If you want the program to resume, you can press TRIGGER or supply a trigger signal to the rear panel Trigger input. When a sequence is paused by a trigger, the Trigger? annunciator is illuminated.

During operation, press the Up key to display information on the currently running sequence including sequence number, step number, step parameters (settings), the trigger source, as well as the loop count.

To run an auto sequence program:

Step # Do This You Will See

1 4 times Auto Sequence

2 Auto Seq 1

3 Seq 1 ready

4 #####V #####A

Release 3.0 97

RECALL

ENTER

RUN

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