Power Supply Regulation Modes | Xantrex Technology GPIB-M-HPD

Operation

Power Supply Regulation Modes

Power Supply Regulation Modes

The power supply has 2 regulation modes while in the Normal Operation State:

•Constant Voltage (CV)

•Constant Current (CC)

The CV, CC LEDs on the front panel indicate the regulation mode.

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

whenever the load current IL is less than the current limit setting ISET, or: IL<ISET. (IL=VSET/RL). In constant voltage mode, the power supply maintains the output voltage at the selected value (VSET) while the load current IL varies with the load requirements.

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

whenever the load resistance is low enough that the load current IL is equal to the current limit setting ISET. (VL=ISETRL). In constant current mode, the power supply maintains the output current at the selected value (ISET) while the load voltage VL varies with the load requirements.

Automatic This feature allows the power supply to automatically switch operating modes in Mode response to changing load requirements. If, for example, the power supply was

Crossover operating in Constant Voltage (CV) Mode (IL < ISET), and the load changed so the load current (IL) became EQUAL TO the current limit setting (ISET), the power 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.

Release 2.1

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Xantrex Technology GPIB-M-HPD, GPIB-M-XHR, GPIB-M-XT, GPIB-M-XPD, GPIB-M-XFR3 manual Power Supply Regulation Modes

Contents

Operating Manual Page Operating Manual for Phone 604 422 Toll Free North America 800 667 Fax 604 421 How do you get service? What does this warranty not cover? Disclaimer Product Model Number Serial Number Purchased From Purchase Date Information About Your Power Supply Supply Safety Installation and Configuration Describes the power supply and listsIts features and specifications Gives basic setup procedures About This Manual Power Supply Safety MarkingsManual Revisions Table of Contents Status Registers Current Sharing Appendix B. Scpi Command Reference List of Tables List of Tables List of Figures List of Figures Description Features and Functions Readback Features and SpecificationsFunctions Models 15-20 30-10 60-5 Specifications Models 60-20 100-12 150-8 300-4 600-2 Models 140 12-100 20-60 35-35 40-30 Models 60-46 100-28 150-18 300-9 600-4 Models 300 12-220 20-130 33-85 40-70 Models 100-10 150-7 300-3.5 600-1.7 Models 130 20-50 33-33 40-25 60-18 Models 15-4 20-3 30-2 60-1 120-0.5 250-0.25 Models 18-30 33-16 60-9 120-4.5 Features and Specifications Initial Inspection Introduction XFR 1200 Watt model shown XT and HPD Power Supply Front Panel with Gpib Interface XFR 2800 Watt Power Supply Rear Panel with GPIB-M Interface XHR Power Supply Rear Panel with GPIB-M Interface XT/HPD Power Supply Rear Panel with GPIB-M Interface IEEE-488 Controller Connection Basic Setup ProcedureTo install the ferrite block Test Power on Power on the unit Configure Computer ControllerConfigure power supply Feature Factory Preset Value Change Remote Control Source Configure for Gpib Operation Example Configure for Multichannel Operation Interface CANbusCables CAN-only Multichannel UsingOperation Appendix B. Scpi Command Reference lists all commands Specifications Pin # Function Input/Output User Lines XT, HPD XPD User Lines Connection 13Schematic For User Line Interface Overview Powering on Supply Operation Power Supply Operating States Power Supply Regulation Modes Remote Control Modes Description Front Panel LEDs Changing the remote/local state Power Supply OperationTo query to remote mode Mode To query the state of the output enable To enable or disable the output MEASVOLT? MEASCURR? Configure Output Protection To set the fold delay To set the fold mode To query if OTP has tripped Set Shutdown Recovery for AC OffAdditional Protections To query if AC Off has tripped Clear Protection Event Shutdown vs Protection Alarm To save default settings To store save settingsTo recall settings To power on user setting #1 Feature Reset State *RST To change the power on at output stateTo reset the unit Auxiliary To read from the error queueConfigure To check the state of the line To set up Auxiliary line aTo set up Auxiliary line B Auto Sequencing PROGSTEPstepnumberEDIT voltage Current,OVPlevel,timeTRIG To delete any step from the sequence You can also use the following to delete all sequences To run, stop or pause a sequence, use the following command Triggered To set a triggered setpoint To set the voltage limitsTo set the current limits To program triggers Operation Identification Query Option Identification Query Register Status Registers Status Registers Operation Status Registers Bit Name Description Bit Bit Weight Bit Name DescriptionBit Protection SHUTdown Sub-Register Bit Bit Weight Bit Name Description Sub-Register CurrentSHare Questionable Status Registers Time Sub-Register Table Summarizes the standard Event Status Register Been lost. See Query Error List on QSR Request ServiceMaster Summary Register Filter/Enable Preset Value Status Register CommandsCommands Scpi equivalent for multichannel use Ieee Status Event Commands STB? Or the multichannel equivalent STATuschannelSBYTeEVENt? Sub-Register STATchannelOPERSHUTEVEN? Questionable STATchannelOPERCSHEVEN? Commands STATchannelQUESVOLTCOND? Current Sharing Current Sharing No sharing Operation Current Sharing Address Range Service Request and PollingCodes and Standards Message Terminators Function Mnemonic Description Functions Subset Protocol SpecificationsControl Functions Signal Driver Line Electrical SpecificationsMechanical Specifications Performance Specifications Performance Specifications Appendix B. Scpi Command Reference IEEE-488.2/SCPI Syntax and Style Scpi Command Reference Understanding Scpi Commands Is the same as typing Using Queries Boolean Parameters Used Scpi Command SummaryNotations Tables Table B.1IEEE 488.2 Commands Table B.2Readback Commands Table B.3Commands for Output Control Table B.4Commands for Current Share Table B.7Commands for Fold Protection Table B.10Status Commands STATuschannelOPERationREGulatingCONDition? 111 112 Table B.12User Lines Table B.14Auto Sequence Commands StepnumberDELete Expression Details Expressions Expressions Appendix C. Error Messages Errorcode Error Message Description Command Error ListExecution Error List Error Messages Execution Error List Error Error Message Description Code Device-Specific Error List Operation Complete Event Query Error ListUser Request Event Auto Sequencing Error Codes Front Panel Error CodesCPU Error Codes Analog Programming Interface Error codes Multichannel Error Codes CANbus Error Codes Current Share Error Codes Appendix D. Calibration Entering Calibration Mode Calibration Setup and Equipment Output Voltage Calibration Procedure Enter current data Restore Factory Calibration Exit calibration mode Restore Factory Calibration Page Xantrex Technology Inc