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Argantix XDS 30-167 User And Programming Manual

Xds series dc power supply
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www.atecorp.com 800-404-ATEC (2832)
Revision L
February 2007
Copyright ©2002-2007
By California Instruments
All rights reserved.
P/N 5005-981
XDS Series
DC Power Supply
User and Programming
Manual
Series II
TEL: +1 (858) 677-9040
FAX: +1 (858) 677-0940
Email:
sales@argantix.com
Web Site:
http://www.argantix.com

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Summary of Contents for Argantix XDS 30-167

  • Page 1 800-404-ATEC (2832) Revision L February 2007 Copyright ©2002-2007 By California Instruments All rights reserved. P/N 5005-981 XDS Series DC Power Supply User and Programming Manual Series II TEL: +1 (858) 677-9040 FAX: +1 (858) 677-0940 Email: sales@argantix.com Web Site: http://www.argantix.com...
  • Page 2 User and Programming Manual User and Programming Manual P/N 5005-981 DC Power Supplies Argantix XDS Series II © Copyright 2002-2007, California Instruments, Rev L. Argantix™ is a registered trademark of California Instruments Corporation. Specifications subject to change without notice. XDS Series...

  • Page 3: Safety Summary

    User and Programming Manual SAFETY SUMMARY This power supply contains high voltage and current circuits that are potentially lethal. Because of its size and weight, electrical and mechanical stability must be ensured. The following safety guidelines must be followed when operating or servicing this equipment. These guidelines are not a substitute for vigilance and common sense.
  • Page 4 User and Programming Manual Electrical Safety Symbols Used in This Manual XDS Series...

  • Page 5: Warranty Information

    (Fax: 858 677 0940, Email: support@argantix.com). CALIFORNIA INSTRUMENTS will prepare an estimate of repair cost and repair the instrument when authorized by the claim agent. Please include model number and serial number when referring to the instrument.

  • Page 6: Table Of Contents

    User and Programming Manual Table of Contents Introduction ..........................10 General Description ..........................10 Bench Top use ............................ 11 Equipment Rack use ........................... 11 Specifications ..........................12 Electrical .............................. 12 Measurements ............................ 15 Environmental ............................. 17 Mechanical ............................17 Agency Approvals ..........................18 Remote Control Interfaces ........................
  • Page 7 User and Programming Manual Service ............................59 General ............................... 59 Basic Operation ........................... 59 Module Removal ..........................62 Controller Jumper Settings ........................65 Replaceable Parts ..........................67 Remote Control ..........................70 Introduction ............................70 XDSGUI Program Requirements ......................71 RS232C Interface ..........................71 Optional IEEE Interface ........................
  • Page 8 User and Programming Manual List of Figures Figure 1-1: XDS Series DC Power Supply ......................10 Figure 3-1: Location of rear panel connectors..................... 24 Figure 3-2: DC Output bus bar studs........................25 Figure 3-4: Toroid Installation, -400V input model....................26 Figure 3-5: Outline Drawing XDS DC Supply ......................
  • Page 9 User and Programming Manual List of Tables Table 3-1: Rear Panel Input and /Output Connectors ..................22 Table 3-2: Output Connection Description ......................22 Table 3-3: Input Connection Description ......................23 Table 3-4: RS232C Connector J20 ........................23 Table 3-5: Analog I/O Connector J22 ........................23 Table 3-6: Auxiliary I/O Connector (Isolated ) –...

  • Page 10: Introduction

    1.1 General Description Figure 1-1: XDS Series DC Power Supply The Argantix XDS Series of DC Programmable Power Supplies are designed specifically for laboratory test and systems applications requiring single output, variable DC voltage and current with good ripple and regulation characteristics. The XDS Series comes in a 3U chassis and can operate in constant current or constant voltage mode with auto crossover feature.

  • Page 11: Bench Top Use

    The rack ears are not designed to support the full weight of the XDS unit when installed in a cabinet but only to prevent it from sliding out. Contact Argantix customer support (support@argantix.com) for information on rack mount kits for specific cabinets depths.

  • Page 12: Specifications

    User and Programming Manual 2 Specifications All specifications at 23 ± 5°C unless noted otherwise. 2.1 Electrical 2.1.1 AC Line Input Standard: -208: 208 VAC L-L -10% to 230VAC L-L +10 % Options: -400: 400VAC L-L ± 10 % -480: 480VAC L-L ±...
  • Page 13 Output Model Power Volts Amps RMS Ripple Peak-Peak Max. Max. Max. Typical Ripple typ. XDS 30-167 15 mV 90 mV XDS 30-333 15 mV 90 mV XDS 30-500 15 mV 90 mV XDS 40-125 15 mV 90 mV XDS 40-250...
  • Page 14 Accuracy shown in last column as % of Full Scale (FS) from 100 % programmed to 0% programmed. Resolution: Shown in column 3 by model. Model Range Resolution Accuracy XDS 30-167 0 - 167 A 0.1 A XDS 30-333 0 - 333 A 0.1 A 0.5 % XDS 30-500 0 - 500 A 0.2 A...

  • Page 15: Measurements

    XDS 600-XXX 0 - 600 V 0.2 V ± 1.0 V Current Model Range Resolution Accuracy XDS 30-167 0 - 167 A 0.1 A ± 0.3 A XDS 30-333 0 - 333 A 0.1 A ± 0.5 A XDS 30-500 0 - 500 A 0.2 A...
  • Page 16 User and Programming Manual XDS 600-17 0 - 17 A 0.005 A ± 0.025 A XDS 600-25 0 - 25 A 0.01 A ± 0.05 A Power Model Range Resolution Accuracy 0 - 5 KW 0 -10 KW ± 0.3 % FS 0 - 15 KW Peak Current Model...

  • Page 17: Environmental

    User and Programming Manual 2.3 Environmental Temperature Coefficient Voltage Set Point: 0.02%/C of V Range Current Set Point: 0.03%/C of I Range Ambient Temperature Operating: 0° to 40° C / 32° to 104° F Storage: -40° to 75° C /-40° to 167° F Humidity: 0 to 80 % RH, non condensing Cooling:...

  • Page 18: Agency Approvals

    User and Programming Manual 2.5 Agency Approvals GENERAL: IEC 61326-1, 1998 CE Mark: SAFETY: IEC 61010-1, 2001 EMC: EN55011, Class A, Group 1 IEC 61000-4-2, 1995 IEC 61000-4-4, 1995 IEC 61000-4-5, 1995 IEC 61000-4-6, 1996 IEC61000-4-8, IEC 61000-4-11, 1994 2.6 Remote Control Interfaces Standard: RS232C Interface: Digital...

  • Page 19: Protection

    User and Programming Manual 2.7 Protection • Over temperature shut down • Short circuit protection • Overload protection • Over voltage • Voltage sense lines open. 2.8 Controls and Indicators Controls: Voltage Setting: Digitally encoded rotary knob Current Setting: Digitally encoded rotary knob Measurement Push button Select...

  • Page 20: Factory Configuration Options

    User and Programming Manual 2.10 Factory Configuration Options All XDS models can be factory configured with the options shown below. Configuration changes can be made in the field if needed. Refer to Chapter 5 for details on changing configuration settings. Option Configuration none...

  • Page 21: Installation And Functional Test

    User and Programming Manual 3 Installation and Functional Test 3.1 Inspection Inspect the shipping carton for possible damage before unpacking the unit. Carefully unpack the equipment. Save all packing materials until inspection is complete. Verify that all items listed on the packing slips have been received.

  • Page 22: Input / Output Connectors

    User and Programming Manual 3.3 Input / Output Connectors Table 3-1 lists all external connections for the XDS Series. Table 3-2 and Table 3-3 provide input and output connector descriptions. NOTE: DO NOT REVERSE THE EXT. SENSE CONNECTION POLARITY OR DAMAGE TO THE XDS SUPPLY WILL RESULT.

  • Page 23: Table 3-3: Input Connection Description

    User and Programming Manual Table 3-3: Input Connection Description AC In. Designator Dir. Connection Description ØA Input 10-32 Threaded Stud ØB Input 10-32 Threaded Stud ØC Input 10-32 Threaded Stud 10-32 Threaded Stud Table 3-4: RS232C Connector J20 J20, Pin Designator Dir.

  • Page 24: Figure 3-1: Location Of Rear Panel Connectors

    User and Programming Manual J22, Pin Designator Dir. Description Not used Not used Not used ISO COM Isolated Return path to be used with pins V/I PROG 5V and V/I PROG 10V. Internally connected to pin 10. Not used Table 3-6: Auxiliary I/O Connector (Isolated ) – J21 J21, Pin Designator Dir.

  • Page 25: Wire Sizing And Lug Size

    User and Programming Manual 3.4 Wire Sizing and Lug Size The DC output is available from a set of copper bus bars, one for the positive terminal, out for the negative terminal. Each bus bar has two screw studs, (Penn Engineering, HFHB-0518-24, see www.pennfast.com ) to which a set of two nuts and lock washers are attached.

  • Page 26: Ac Input Wiring

    User and Programming Manual 3.5 AC Input Wiring All XDS models require 3 phase AC input. A neutral connection is not available, as the XDS only requires a delta input. If only three-phase Wye AC power is available, verify the correct Line-to-Line voltage and connect only the phase wires.

  • Page 27: Figure 3-5: Outline Drawing Xds Dc Supply

    User and Programming Manual Figure 3-5: Outline Drawing XDS DC Supply XDS Series...

  • Page 28: Front Panel Operation

    User and Programming Manual 4 Front Panel Operation 4.1 Functional Controls The front panel can be divided in a small number of functional areas: • Status Indicator lights • Shuttle knobs • LED displays • Button controls Figure 4-1: Front Panel View 4.1.1 Status Indicator Lights Seven green LED status indicators are located on the front panel.

  • Page 29: Figure 4-2: Shuttle Knob

    User and Programming Manual REMOTE The REMOTE LED indicates that the unit is in remote control mode. If the RS232C interface is used, the REMOTE state can be enabled by the controller using the SYST:REM command. Any time the REMOTE LED is lit, the front panel of the XDS Series unit is disabled.
  • Page 30 User and Programming Manual 4.1.4 LED Segment Displays Settings and measurements are shown on two 4 digit, 7 segment LED displays. The voltage display shows the programmed voltage as the user turns the left knob. After releasing the knob for about 3 seconds, this display reverts back to displaying the measured output voltage. The right hand LED display is a multi purpose display.

  • Page 31: How To Examples

    User and Programming Manual 4.2 How to examples... This section covers some common tasks that are often performed with an DC power supply. These examples are written in a How to... format and provide step by step instructions on how to set up the DC supply for a specific task.
  • Page 32 User and Programming Manual 4.2.3 Display Measurement Data Measurements are always active and can be displayed as follows: 1. For voltage, the left display always displays the measured output voltage unless the knob is turned. As the knob is turned, the programmed voltage will be displayed instead. After releasing the knob for about 3 seconds, the display reverts back to the measured voltage.

  • Page 33: Setting The Power On Initialization Values

    User and Programming Manual 4.3 Setting the Power on Initialization Values The power supply is shipped with default factory settings when the unit is powered up. The factory settings are: Parameter Factory default setting Voltage 0.0 Volt Current limit Maximum available current. Display mode Voltage and Current measurement Output state...

  • Page 34: Operating Modes

    User and Programming Manual 4.4 Operating Modes The XDS Series can operate in one of two modes of operation, voltage mode or current mode with automatic cross over. Voltage Mode (CV) mode In this mode of operation, the output voltage of the DC supply is regulated as long as the current limit set is not exceeded.

  • Page 35: Special Features

    User and Programming Manual 4.5 Special Features The XDS Series offers some special features, which are explained in this section 4.5.1 Remote Inhibit / Remote Shutdown The output of the DC supply can be controlled using a discrete input. This input is available on connecter J22 at the rear panel of the XDS unit.
  • Page 36 User and Programming Manual as a percentage of voltage range. Allowable range is 0 to 110%. Bus operation also allows the OVP mode to be turned on (enabled) or off (disabled). If the output voltage exceeds the set trip level and the OVP mode is enabled, the power supply will generate a -300, Device specific error and turn off the output.

  • Page 37: Model Configurations

    User and Programming Manual 5 Model Configurations 5.1 Available Configurations The XDS controller can be reconfigured for various modes of operation. Generally, the mode of operation is factory set at the time of shipment and is indicated on the model number tag by a configuration option suffix.

  • Page 38: Changing Configurations

    If a unit has to be redeployed for a different application than originally purchased for, the XDS unit can be reconfigured in the field. To do so requires removal of the top cover. This voids the warranty seal and Argantix should be notified to ensure your warranty period remains in effect. Contact support@argantix.com...

  • Page 39: Figure 5-2: Xds Controller Jumper Locations - Front View, Far Side Of Pwb

    User and Programming Manual TP10 W657 8 15 TP11 R107 R103 R60 R62 R40 R87 R54 W6578 15 TP10 TP7 TP9 TP11 R40 R87 R54 R60 R62 R107 R103 Figure 5-2: XDS Controller Jumper Locations – Front view, far side of PWB. XDS Series...

  • Page 40: Stand Alone Configuration

    IMon from the master unit to all analog inputs on the auxiliary units is required. Refer to Figure 5-3 for an interconnect cable diagram. A suitable interconnect cable for a two unit parallel system can be order through Argantix customer service department (support@argantix.com). Specify CI P/N 5005-051-1.

  • Page 41: Figure 5-4: Parallel Cable Interconnect Accessory

    User and Programming Manual Figure 5-4: Parallel Cable Interconnect Accessory XDS Series...

  • Page 42: Figure 5-5: Xds 30Kw System Connections

    User and Programming Manual XDS 100-150 XDS 100-150-AUX EQUIPMENT UNDER TEST L1 L2 L3 AC INPUT Figure 5-5: XDS 30KW System Connections 5.4.2 Multi box front panel control The auxiliary unit(s) (-AUX) cannot be controlled from their respective front panel(s). Instead, they are controlled indirectly through the master XDS unit.

  • Page 43: Rpv Mode

    User and Programming Manual 5.4.3 Multi box remote control Programming of voltage or current limit on auxiliary unit(s) (-AUX) cannot be done. Any attempt to send an output programming command will result in a –200,”Exection Error”. All other commands remain active however, including output on/off and measurement queries. If the output is controlled remotely, the control program should always enable the output of the auxiliary units before enabling the master’s output.

  • Page 44: Principle Of Operation

    User and Programming Manual 6 Principle of Operation 6.1 General An explanation of the circuits in the DC supply is given in this section. Refer to block diagram in Figure 6-1. 6.2 Overall Description Referring to block diagram in Figure 6-1 and Figure 6-2, the XDS DC power source consists of one to three high power DC modules, a controller, and a power supply board.

  • Page 45: Figure 6-1: Dc Power Supply Block Diagram - -If Option Shown

    User and Programming Manual Figure 6-1: DC Power Supply Block Diagram - -IF option shown XDS Series...

  • Page 46: Figure 6-2: Xds Dc Supply Simplified Block Diagram

    User and Programming Manual 3 Phase AC Power Bus Supply/Control Bus FILTER, 3 PHASE AC INPUT DC MODULE DC MODULE DC MODULE SENSE VOUT + POWER SUPPLY VOUT - SELV Supply STANDARD RS232 OPTIONAL DC CONTROLLER GPIB GPIB OPTIONAL ANLG I/O Figure 6-2: XDS DC Supply Simplified Block Diagram XDS Series...

  • Page 47: Bias Power Supply (A7)

    User and Programming Manual 6.3 Bias Power Supply (A7) The power supply board (A7) uses the three phase AC mains to generate the various low voltage supplies required by the internal control circuits. Three phase AC mains from the chassis EMI filter feeds the power supply board through one amp fuses.

  • Page 48: Power Module (A9 Through A11)

    User and Programming Manual 6.4 Power Module (A9 through A11) Refer to Figure 6-3 for a block diagram of the DC module. The DC module rectifies and filters the AC mains voltage, switches the voltage with a phase modulated full bridge converter, passes the switched voltage through a voltage scaling isolation power transformer, rectifies and filters the output voltage, and directs the voltage to the output via bus bars.
  • Page 49 User and Programming Manual The secondary arrangement of the power transformer depends on the output voltage. High voltage output models used a full-bridge arrangement. Low voltage output models use a center-tapped circuit. The latter is shown in Figure 6-3. The snubber board (A5) holds RC snubbers to control voltage spikes on the rectifiers.

  • Page 50: Controller Module (A3)

    See section 2.10. To change jumper settings, the top cover has to be removed to gain access. Contact Argantix (support@argantix.com) prior to doing so to ensure the warranty is not voided. The jumper locations on the back of the controller board are shown in Table 8-6, Table 8-7 and Table 8-8.
  • Page 51 User and Programming Manual CAUTION VOLTAGES UP TO 524 V AND 600 V MAY BE PRESENT IN CERTAIN SECTIONS OF THIS POWER SUPPLY. THIS EQUIPMENT GENERATES POTENTIALLY LETHAL VOLTAGES. DEATH ON CONTACT MAY RESULT IF PERSONNEL FAIL TO OBSERVE SAFETY PRECAUTIONS. DO NOT TOUCH ELECTRONIC CIRCUITS WHEN POWER IS APPLIED.

  • Page 52: Calibration

    0.1%, 1 miliohm Current Shunt: Isotek Model RUG-Z-R001-0.1 or equivalent Load Bank: Various power load resistors will be needed Table 7-1: Calibration Equipment Model Voltage Range Current Load Resistor XDS 30-167 167 A 0.18 XDS 30-333 333 A 0.09 XDS 30-500 500 A 0.06...

  • Page 53: Routine Calibration

    User and Programming Manual 7.2 Routine Calibration Equipment Setup: Connect the required test equipment to the power supply as shown in Figure 7-1. The DMM can be connected to the common output bus bar at the rear of the unit. Never connect the load wire to the SENSE terminal at the Rear Panel terminal strip.

  • Page 54: Figure 7-2: Calibration Adjustments

    User and Programming Manual Adjustment Locations: All adjustments are made manually on the XDS series using pots. The adjustment pots can be accessed through opening at the front of the top cover. Figure 7-2: Calibration Adjustments The following tables provide a reference of the adjustment pots accessible without removing the top cover.

  • Page 55: Table 7-3: Calibration Adjustment Reference By Number

    User and Programming Manual Table 7-3: Calibration Adjustment Reference by number The adjustment pots are located from left to right (R44 R81 R40 R87 R54 R60 R62 R64 R63, R107, R103) standing in front of the XDS unit as shown in Table 7-4. L to R Parameter Type...

  • Page 56: Non-Routine Calibration

    User and Programming Manual Current Measurement Full Scale Calibration a) Set programmed load current to 90 % of full load b) Adjust R62 until output current measurement on front panel equal shunt output current reading. Peak Current Measurement Full Scale Calibration a) Set programmed output current to full load b) Adjust R64 until unit peak current measurement on front panel equals output current reading.
  • Page 57 User and Programming Manual 7.3.3 Current Sharing Calibration on Multi-box Systems Systems consisting of multiple XDS units in parallel may require periodic checking and adjustment of the current sharing. If a system was shipped configured from the factory, the current sharing was set at the time of shipment.

  • Page 58: User And Programming Manual

    User and Programming Manual Auxiliary sources will not precisely track the current of the Master (the Master current times the value of R) at the lower values of current. Increase the voltage until the total load current of the power system is equal to the maximum current of the Master power source. Use R103 in each Auxiliary source to adjust the load current contributed by the Auxiliary source equal to that of the Master source times the value of R for the individual Auxiliary power source.

  • Page 59: Service

    User and Programming Manual 8 Service 8.1 General This section describes suggested maintenance and troubleshooting procedures. The troubleshooting procedure is divided into two sections. The first section deals with basic operation and connection of the equipment. The second section requires opening the unit and using the LED indicators and a simple multi meter to troubleshoot the unit down to the module level.

  • Page 60: Table 8-4: No Output And No Lights On Front Panel

    User and Programming Manual 8.2.3 No Output and No Lights on Front Panel Table 8-4: No Output and No Lights on Front Panel CAUSE SOLUTION Front panel power switched off. Switch the breaker on. No input power to the input connector. Ensure correct input power.
  • Page 61 User and Programming Manual CAUSE SOLUTION AC input line outside operating limits Verify correct AC input voltage is applied. AC input phase missing Check the AC input line to make sure all three phases are present. Sense connection Fault Check for reversed polarity sense or shorted sense connections.

  • Page 62: Module Removal

    User and Programming Manual 8.3 Module Removal Figure 8-1 shows the location of the internal modules and assemblies. Figure 8-1: Assembly Location XDS Series...
  • Page 63 8.3.1 Controller Module Removal / Replacement The warranty seals on the power supply have to be broken for the following procedure. Contact Argantix customer service through email at support@argantix.com to obtain permissions to do so to avoid voiding the product warranty.
  • Page 64 8.3.2 Power Module Removal / Replacement The warranty seals on the power supply have to be broken for the following procedure. Contact Argantix customer service through email at support@argantix.com to obtain permissions to do so to avoid voiding the product warranty.

  • Page 65: Controller Jumper Settings

    This change should only be made by qualified personnel experienced with working on high power electronic test equipment. The warranty seals on the power supply have to be broken to remove the top cover. Contact Argantix customer service through email at support@argantix.com...

  • Page 66: Figure 8-2: Xds Controller Jumper Locations - Front View, Far Side Of Pwb

    User and Programming Manual TP10 W657 8 15 TP11 R107 R103 R60 R62 R40 R87 R54 W6578 15 TP10 TP7 TP9 TP11 R103 R40 R87 R54 R60 R62 R107 Figure 8-2: XDS Controller Jumper Locations – Front view, far side of PWB. XDS Series...

  • Page 67: Replaceable Parts

    All replaceable part orders should be addressed to: Argantix Attention: Customer Service 9689 Towne Centre Drive San Diego, California 92121-1964 United States of America Orders may also be placed using fax number: 1 858 677 0904 or email to support@argantix.com. REF # PART # DESCRIPTION VENDOR 5005-720-1...

  • Page 68: Table 8-9: Replaceable Parts

    User and Programming Manual REF # PART # DESCRIPTION VENDOR 480 V Input Models (-480) 250762 PC Assy, EMI Filter, 45 A, 480 V Tri-Mag SF1811 Fuse, Power Module, 600 V, 15A Bussman KTK15 3 / Mod LittleFuse KLK15 Table 8-9: Replaceable Parts Output filter board capacitor part numbers for a 5 KW DC power module.

  • Page 69: Figure 8-3: Replaceable Fuse Locations

    User and Programming Manual Figure 8-3: Replaceable Fuse Locations XDS Series...

  • Page 70: Remote Control

    IEEE-488 / GPIB interface at the time of purchase. The GPIB interface is part of the -IF option. Units are shipped with the Argantix Graphical User Interface program - XDSGUI. This Windows™ program provides a soft front panel to the instrument when connected to a PC through the RS232C or IEEE-488 interface.

  • Page 71: Xdsgui Program Requirements

    User and Programming Manual 9.2 XDSGUI Program Requirements To successfully install and operate the XDSGUI program, you will need the following equipment: Argantix XDS Series DC power supply. PC capable of running Windows 98™ , Windows 2000™ or Windows XP™ •...
  • Page 72 User and Programming Manual INPUT "Enter Command ('quit' to exit)--> ", cmd$ IF cmd$ <> "QUIT" AND cmd$ <> "quit" THEN IF cmd$ <> "" THEN PRINT #1, cmd$ + CHR$(10); END IF IF INSTR(cmd$, "?") THEN PRINT "Power supply query response = "; retstring$ END IF 'Check for Errors after each command is issued PRINT "Sending non-query syntax check *ESR?"...

  • Page 73: Optional Ieee Interface

    User and Programming Manual 9.4 Optional IEEE Interface The XDS Series can optionally be equipped with an IEEE-488 interface in addition to the standard RS232C interface. Figure 9-2: Rear Panel View The IEEE address of the XDS DC Supply is set using the DIP-switch at the right side of the unit. (When facing power supply from the front).

  • Page 74: Xdsgui Installation

    User and Programming Manual 9.5 XDSGUI Installation This section covers installation of the XDSGUI from the distribution disk to the user’s PC. Make sure the PC is capable of running Windows. 9.5.1 Connecting to the PC Using RS232 Connect the power supply to the PC using an RS232C cable. The power supply RS232C port settings are set as follows: Baud rate: 19200 baud...

  • Page 75: Trouble Shooting - Rs232C

    User and Programming Manual 9.6 Trouble Shooting - RS232C This section provides guidelines for resolving communication problems that may occur when using the XDSGUI software under Windows™. You may encounter problems when using the serial interface with the XDSGUI program that is supplied with the interface option for this source.

  • Page 76: Figure 9-4: System Properties Dialog Box

    User and Programming Manual Procedure 1. Make sure the XDSGUI program is closed and no device is using the com port in use. 2. From the Windows™ desktop, right click on the “My Computer” icon which is located in the top left corner of the screen.
  • Page 77 User and Programming Manual Resolution for Symptom 2 Execute the suggested procedure to resolve symptom 1 first. If an occasional error continues to occur while slewing the voltage or frequency slider controls in the XDSGUI program, increase the command delay paramter located in the System, Interface dialog. The default value for the CmdDelay is set to 30 and is displayed below the command line of the Interface window.

  • Page 78: Trouble Shooting - Ieee-488 / Gpib

    User and Programming Manual 9.7 Trouble Shooting - IEEE-488 / GPIB This section provides guidelines for resolving communication problems that may occur when using the power supply with or without the XDSGUI software with a IEEE-488 / GPIB interface. Symptoms: 1.

  • Page 79: Software Registration

    User and Programming Manual 9.8 Software Registration Updates of this and other Argantix programs and drivers are posted on a regular basis on the Argantix web site. You can find available programs by selecting the Software, GUI's and Drivers menu. To gain access to these downloads, you will need to register as a user on our web site. For...

  • Page 80: Introduction To Scpi

    User and Programming Manual 10 Introduction to SCPI SCPI (Standard Commands for Programmable Instruments) is a programming language for controlling instrument functions over the RS232 or IEEE 488 bus. The same SCPI commands and parameters control the same functions in different classes of instruments. For example, you would use the same MEAS:VOLT? command to measure the Power supply output voltage or the output voltage of a SCPI-compatible Multimeter.

  • Page 81: Figure 10-1: Partial Command Tree

    User and Programming Manual The SCPI Command Tree As previously explained, the basic SCPI communication method involves sending one or more properly formatted commands from the SCPI command tree to the instrument as program messages. The following figure shows a portion of a subsystem command tree, from which you access the commands located along the various paths (you can see the complete tree in appendix A).
  • Page 82 User and Programming Manual Moving Among Subsystems In order to combine commands from different subsystems, you need to be able to restore the active path to the root. You do this with the root specifier (:). For example, you could set the output voltage to 60 V and set the display mode to power.

  • Page 83: Using Queries

    User and Programming Manual 10.3 Using Queries Observe the following precautions with queries: • Set up the proper number of variables for the returned data. • Read back all the results of a query before sending another command to the power supply . Otherwise a Query Error will occur and the non-returned data will be lost.
  • Page 84 User and Programming Manual Query Indicator The question mark in CURR? Message Terminator The <NL> (newline) indicator. Terminators are not part of the SCPI syntax Note: The use of compound messages such as the one shown in Figure 12-2 is not recommended as they typically exceed the available receive buffer length of the XDS Series interface.

  • Page 85: Scpi Data Formats

    User and Programming Manual Message Terminator A terminator informs SCPI that it has reached the end of a message. The only permitted message terminator is: • newline (<NL>), which is ASCII decimal 10 or hex 0A. In the examples of this manual, there is an assumed message terminator at the end of each message.

  • Page 86: Programming Tips

    User and Programming Manual 10.6 Programming Tips When developing custom application code, the following guidelines should be followed if possible: All commands should be terminated with <NL> (hex 0A) character. In "C", the \n character sequence will result in a <NL> character. This is the message terminator. The receive buffer of the XDS is limited to about 21 characters.

  • Page 87: Scpi Command Reference

    User and Programming Manual 11 SCPI Command Reference Where appropriate, related commands or queries are included. These are listed because they are either directly related by function, or because reading about them will clarify or enhance your understanding of the original command or query. This chapter is organized as follows: •...

  • Page 88: Measurement Subsystem

    User and Programming Manual 11.2 Measurement Subsystem This subsystem programs the measurement capability of the power supply. Subsystem Syntax MEASure :CURRent? [:LEVel] Returns the average DC value of current :AMPLitude :MAX? Returns peak current measurement reading :RESet Resets the peak current measurements :POWer Returns the DC power measurement reading.
  • Page 89 User and Programming Manual MEASure:POWer? This query returns the DC power delivered to the unit under test by the Power supply. Note that the output must be on to obtain current flow. Query Syntax MEASure:POWer? Parameters None Examples MEAS:POW? Returned Parameters <NR2>...

  • Page 90: Source Subsystem

    User and Programming Manual 11.3 Source Subsystem This subsystem programs all the output parameters of the power supply. Subsystem Syntax [SOURce:] CURRent: [LEVel] Set the current value in amps. HIGH Set the maximum current allowed Set the minimum current allowed LIMit: CURRent? Current range limt: Model specific...
  • Page 91 User and Programming Manual Command Syntax [SOURce:]CURRent:HIGH <NRf> Parameters 0 to LIM:CURR? value. Unit A (amperes) *RST Max. Current Examples CURR:HIGH 5 Query Syntax CURRent:HIGH? Returned Parameters <NR2> Related Commands CURR CURR:LOW [SOURce:]CURRent:LOW This command sets the minimum programmed current that will be accepted by the power supply. If a value below this limit value is programmed, a "-200 Execution Error"...

  • Page 92: Table 11-1: Mode Query Result Decoding

    User and Programming Manual [SOURce:]MODE This command is used to query the power supply's operating mode. The power supply can operate in either Constant Voltage or Constant Current mode. A numeric value is returned for a MODE? Query and is encoded as shown in the table below: Value Mode Undefined.
  • Page 93 User and Programming Manual [SOURce:]VOLTage:HIGH This command sets the maximum programmed voltage that will be accepted by the power supply. If a value above this limit value is programmed, a "-200 Execution Error" will be generated. The voltage limit may be set between zero and the model's capability (configuration limit) which can be queried with the LIM:VOLT? command.
  • Page 94 User and Programming Manual [SOURce:]VOLTage:PROTection[:LEVel] This command programs the OVP trip level of the power supply. The OVP trip level is set as a percentage of voltage range. Allowable range is 0 to 110%. If the output voltage exceeds the set trip level and the OVP mode is enabled, the power supply will generate a -300, Device specific error and turn off the output.

  • Page 95: Output Subsystem

    User and Programming Manual 11.4 Output Subsystem This subsystem controls the output of the power supply. Subsystem Syntax OUTPut [:RELay] Turns the output on or off. DROP [:TIME] Sets the output voltage for a specified amount of time or indefinitely to the voltage level set.
  • Page 96 User and Programming Manual Command Syntax OUTPut:DROP <NRf> Parameters <NRf> | none *RST Value none Examples OUTP:DROP 0.001 Query Syntax OUTP:DROP? Returned Parameters 0 | 1 Related Commands OUTP:DROP:LEV OUTPut:DROP:LEVel The output drop level command sets the voltage level used by the OUTP:DROP:TIME command. The level set must be between the VOLT:HIGH and VOLT:LOW limits or a "-200, Execution Error"...

  • Page 97: Display Subsystem

    User and Programming Manual 11.5 Display Subsystem DISPlay:MODE This command is used to control the right hand side Power supply LED display. The command will allow the multifunction LED display to switch between display of: 1. current setting or current measurement, 2.

  • Page 98: System Commands

    User and Programming Manual 11.6 System Commands The system commands control the system level functions of the Power supply. Subsystem Syntax SYSTem: CONFigure Sets the Remote Inhibit (RI) polarity mode ERRor? Returns the error number and error string KLOCk Keyboard Lock. Sets the power on REMOTE/LOCAL state. LOCal Go to local mode Define the power on register number...
  • Page 99 User and Programming Manual SYSTem:LOCal This command sets the interface in Local state, which enables the front panel controls. This command only applies to the RS232C interface. If IEEE 488 is used, the remote/local state is determined by the REN line on the IEEE 488 interface but the SYST:LOC and SYST:REM command will also be accepted and will toggle the remote state despite the status of the IEEE REN line.

  • Page 100: Common Commands

    User and Programming Manual 11.7 Common Commands Common commands begin with an * and consist of three letters (command) or three letters and a ? (query). Common commands are defined by the IEEE 488.2 standard to perform some common interface functions. The power supply responds to the required common commands that control status reporting, synchronization, and internal operations.

  • Page 101: Table 11-3: Bit Configuration Of Standard Event Status Enable Register

    User and Programming Manual 11.7.1 *CLS This command clears the following registers (see chapter 13 for descriptions of all status registers): • Standard Event Status • Status Byte • Error Queue Command Syntax *CLS Parameters None 11.7.2 *ESE This command programs the Standard Event Status Enable register bits. The programming determines which events of the Standard Event Status Event register (see *ESR?) are allowed to set the ESB (Event Summary Bit) of the Status Byte register.

  • Page 102: Table 11-4: Bit Configuration Of Standard Event Status Register

    User and Programming Manual 11.7.3 *ESR? This query reads the Standard Event Status register. Reading the register clears it. The bit configuration of this register is the same as the Standard Event Status Enable register (see *ESE). Query Syntax *ESR? Parameters None Returned Parameters...
  • Page 103 User and Programming Manual 11.7.4 *IDN? This query requests the power supply to identify itself. It returns the data in four fields separated by commas. Note that any installed options such as –IF are not reflected in the *IDN? query response. The presence of these options that may affect the power supply’s capabilities must be determined by using other queries.

  • Page 104: Table 11-5: *Rst Default Parameter Values

    User and Programming Manual 11.7.6 *RST This command resets the power supply to a setting defined by the values in the register defined by PON if valid or by the following factory-defined states: Note: When using the *RST command, allow a 100 msec delay in your program for the XDS supply to complete the reset procedure before sending subsequent bus commands.
  • Page 105 User and Programming Manual 11.7.7 *SAV This command stores the present state of the power supply to a specified location in memory. The XDS Series offers eight non-volatile memory locations for storing instrument setups. Note: Writing data to Flash memory as a result of receiving a *SAV command takes approximately 300 msec.

  • Page 106: Table 11-7: Bit Configuration Of Status Byte Register

    User and Programming Manual 11.7.9 *STB? This query reads the Status Byte register, which contains the status summary bits and the Output Queue MAV bit. Reading the Status Byte register does not clear it. The input summary bits are cleared when the appropriate event registers are read (see Section 13 for more information). Table 11-7: Bit Configuration of Status Byte Register Bit Position 2 - 0...

  • Page 107: Programming Examples

    User and Programming Manual 12 Programming Examples 12.1 Introduction This chapter contains examples on how to program the Power supply. Simple examples show you how to program: • Output functions such as voltage and current • Measurement functions The examples in this chapter use generic SCPI commands. See Section 10 for information about encoding the commands as language strings.

  • Page 108: Making Measurements

    User and Programming Manual where <n> is the current limit in amperes. If the load attempts to draw more current than the programmed limit, the power supply switches to a constant current mode and will reduce the output voltage as required. The maximum current that the Power supply can output is limited by model configuration and the user set current limits.

  • Page 109: Status Registers

    User and Programming Manual 13 Status Registers You can use status register programming to determine the operating condition of the power supply at any time. For example, you may program the Power supply to generate an MSS bit when an event such as a current limit occurs.

  • Page 110: Standard Event Status Group

    User and Programming Manual 13.2 Standard Event Status Group This group consists of an Event register and an Enable register that are programmed by Common commands. The Standard Event register latches events relating to interface communication status. It is a read-only register that is cleared when read. The Standard Event Enable register functions similarly to the enable registers of the Operation and Questionable status groups.

  • Page 111: Examples

    User and Programming Manual 13.4 Examples The following section contains examples of commonly used operations involving the status registers. You can determine the reason for an MSS bit set by the following actions: Step 1: Determine which summary bits are active. Use: *STB? Step 2: Read the corresponding Event register for each summary bit to determine which events caused the summary bit to be set.

  • Page 112: Appendix A: Scpi Command Tree

    User and Programming Manual Appendix A: SCPI Command tree Command Syntax Tree Root Level 1 Level 2 Level 3 Level 4 [SOURce] :CURRent [:LEVel] :HIGH :LOW :LIMit :VOLTage :CURRent :MODE? :VOLTage [:LEVel] :HIGH :LOW :PROTection [:LEVel] STATe OUTPut [:RELay] :DROP [:TIME] : LEVel MEASurement...

  • Page 113: Appendix B: Scpi Conformance Information

    User and Programming Manual Appendix B: SCPI Conformance Information SCPI Version The XDS Series DC power supplies conform to SCPI version 1990.0. XDS Series...

  • Page 114: Appendix C: Error Messages

    User and Programming Manual Appendix C: Error Messages Error Number Error Message String Error Causes "No error" -100 "Command error" Generally the result of sending a command that uses incorrect syntax. -200 "Execution error" Generally the result of sending a value that is out of range, i.e., a VOLT 200 command when the voltage range is only 150 V.

  • Page 115: Index

    User and Programming Manual Index Altitude ............17 GPIB ............... 73 address selection ........73 troubleshooting..........78 bleeder ............35 header optional ............84 Calibration ............52 CLS ............... 101 Header ............81 command separator ............. 84 subsystem ........... 87 Humidity ............
  • Page 116 User and Programming Manual MEASure:POWer? .......... 89 Separator ............84 MEASure:VOLTage? ........89 Setup Measurements ..........15 program ............74 mechanical ............17 shuttle ............. 29 MODE .............. 92 simulation mode ..........71 SOURce:CURRent:HIGH ....... 90 SOURce:CURRent:LOW ........ 91 SOURce:CURRent[:LEVel] ......90 Noise and Ripple ..........

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