402Kb - Sorensen
Contents
1. full scale is 120 of max output voltage Programming Accuracy Voltage 0 1 0 3 of maximum output voltage Current 0 396 0 396 of maximum output current Overvoltage Protection 0 5 0 5 of max output voltage Readback Resolution Voltage and Current 0 3 of full scale Readback Accuracy Voltage Current 0 1 0 3 of full scale 0 396 0 3 of full scale After 30 minutes operation with fixed line load and temperature Chapter 2 CONFIGURATION The SCPI option is installed in the supply at the factory Use the Setup Procedure described below to configure the installed SCPI for your system and application 2 1 Setup Procedure STEP DESCRIPTION Press the MENU key until the Control Source selection is reached Use the UP ARROW or DOWN ARROW key to select SCPI Press the ENTER key Press the MENU key until the S CPI Control Options selection is reached see Figure 2 1 Press the ENTER Key Use the UP ARROW or DOWN ARROW key to select either GPIB IEEE 488 interface or SERIAL RS 232 interface On supplies without GPIB IEEE 488 installed this option will not appear Press the ENTER key If SERIAL RS 232 was selected skip to step 14 Use the UP ARROW or DOWN ARROW key to select the primary address this address may be in the range of 0 to 30 10 Press the ENTER key 11 Use the UP ARROW or DOWN ARROW key to select the secondary address this address may be in the2. Data corrupt or stale 231 Data questionable 240 Hardware error 241 Hardware missing 250 Mass storage error 251 Missing mass storage 252 Missing media 253 Corrupt media 254 Media full 255 Directory full 256 File name not found 257 File name error 258 Media protected 260 Expression Error 261 Math error in expression 270 Macro error 271 Macro syntax error 272 Macro execution error 273 Illegal macro label 274 Macro parameter error 275 Macro definition too long 276 Macro recursion error 277 Macro redefinition not allowed 278 Macro header not found 280 Program error 281 Cannot create program 282 Illegal program name 283 Illegal variable name 284 Program currently running 285 Program syntax error 286 Program runtime error 300 Device specific error 310 System error 311 Memory error 312 PUD memory lost 313 Calibration memory lost 314 Save recall memory lost 315 Configuration memory lost 330 Self test failed 350 Queue overflow 400 Query error 410 Query INTERRUPTED 420 Query UNTERMINATED 430 Query DEADLOCKED 440 Query UNTERMINATED after indefinite response 201 Query only 202 No query allowed 203 Parameter s not expected 204 Constant not allowed in STATUS subsystem 207 Enumeric value not in union 208 Illegal number of parameters 210 Run out of memory handle 211 Unit not matched 212 Unit not required
3. MAXimum Queries maximum ambient temperature recorded ME G y CALibrate Queries time since last calibration NENNEN SHE uos WwOLTage le y O OMAN LI y O MAXimum Queries maximum AC input voltage recorded IMMediate Queries current AC input voltage N 3 11 ABORT SCPI Command Subsystem 3 11 1 ABORT SCPI Command Summary ABORt Table 3 14 Abort Command SCPI ABORt About a triggered command sequence 3 12 INITIATE SCPI Command Subsystem 3 12 1 INITIATE SCPI Command Summary INITiate Table 3 15 Initiate Command Command Description SCPI INITiate Trigger command for voltage current and Y power triggered commands IMMediate Trigger command for voltage current and Y power triggered commands 3 13 Legacy Compatibility Commands The following commands are included for compatibility with older software only and should not be used for new software These commands are not part of the SCPI protocol Table 3 16 Legacy Commands SRVT Set current limit Set voltage limit 3 14 Examples of Using the SCPI Commands The following examples demonstrate programming a power supply to control and to readback the output using the SCPI commands The maximum voltage and current output is dependent on the particular model The examples list only the SCPI commands the code required to send the commands is dependent on the type of language you are using e g C or BASIC and GPIB hardware e g Nat
4. 213 Unit not valid 3 2 5 Serial Poll Operation Performing a serial poll will not modify the Status Byte other than to clear the RQS bit 6 for an SCPI requesting service Queries affecting the Status Registers and subsequent serial poll are described below e STB clears the Status Byte ESR clears the ESR and bit 5 of the Status Register e SYSTem ERRor clears bit 2 of the Status Register if the queue is empty 3 3 IEEE 488 2 and SCPI Conformance Information The SCPI conforms to all specifications for devices as defined in IEEE 488 2 and complies with SCPI command syntax version 1995 0 Confirmed Commands are those commands which are approved commands in the SCPI 1995 Specification Volume 2 Command Reference They are denoted by a C in the SCPI column Any commands that are not Confirmed Commands have been submitted to the SCPI Consortium and are labeled as Not Approved denoted by a N 3 3 1 Parameter Definitions Table 3 5 Parameter Definitions Valid arguments ON or 1 OFF or 0 lt NR1 gt The data format lt NR1 gt is defined in IEEE 488 2 for integers Zero E LAE positive and negative integer numeric values are valid data Negative integer numeric values lt NRf gt The data format lt NRf gt is defined in IEEE 488 2 for flexible Numeric Representation Zero positive and negative floating point numeric values are so
5. WRITING AMETEK PROGRAMMABLE POWER INC AMETEK a MAKES NO WARRANTY AS TO THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES DAMAGES COSTS OR EXPENSES WHETHER SPECIAL DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER S RISK AND REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATI ON THE ACCURACY CANNOT BE GUARANTEED APPROVED AMETEK CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT WWW PROGRAMMABLEPOWER COM b e Date and Revision December 2008 Revision C Part Number M550005 01 Contact I nformation Telephone 800 733 5427 toll free in North America 858 450 0085 direct Fax 858 458 0267 Email sales programmablepower com service programmablepower com Web www programmablepower com This page intentionally left blank Important Safety Instructions Before applying power to the system verify that your product is configured properly for your particular application Hazardous voltages may be present when covers are removed Qualified personnel must use extreme caution when servicing this equipment 5 Circuit boards test points and o
6. eo e Feet rte e GB 3 8 3 3 2 nl 3 8 CR NG EE EE AA PETS 3 8 3 4 IEEE 488 2 Common Command Subsystem esee 3 9 3 5 MEASURE SCPI Command Subsystem esee 3 11 3 5 1 MEASURE SCPI Command Summary sss 3 11 3 5 2 MEASURE SCPI Command Reference nene 3 11 3 6 OUTPUT SCPI Command Subsystem eene 3 11 3 6 1 OUTPUT SCPI Command Sumrmary rane ecrire 3 11 3 6 2 OUTPUT SCPI Command Reference seen 3 11 3 7 SOURCE SCPI Command Subsystem eene 3 12 3 7 1 SOURCE SCPI Command Summary sse 3 12 3 7 2 SOURCE SCPI Command Reference sese esse ee eee 3 13 3 8 STATUS SCPI Command Subsystem eene 3 14 3 8 1 STATUS SCPI Command Summary sese 3 14 3 8 2 STATUS SCPI Command Reference AAA 3 15 3 9 SYSTEM SCPI Command Subsystem eene 3 17 3 9 1 SYSTEM SCPI Command Gummanm sse eee eee eee eee eee 3 17 3 9 2 SYSTEM SCPI Command Heierence AAA 3 18 3 10 DIAGNOSTIC SCPI Command Subsystem esee 3 19 3 10 1 DIAGNOSTIC SCPI Command Summary sene 3 19 3 10 2 DIAGNOSTIC SCPI Command Reference sesseeoeesneeneeeenerrerrrerrrerrrerrrene 3 20 3 11 ABORT SCPI Command Subsystem eene 3 21 3 11 1 ABORT SCPI Command Summ
7. 1995 0 status reporting data structures These structures are comprised of status registers and status register enable mask pairs The following sections describe these pairs 3 2 1 Status Byte The Status Byte status register can be read by the STB command or by issuing a GPIB serial poll Either operation will clear the contents of the Status byte The Status Byte status register will also be cleared by the CLS command The SCPI can be configured to request service from the GPIB controller by setting the appropriate bits in the Service Request Enable Register SRE The SRE register has the same bit pattern as the Status Byte It is modified using the SRE lt mask gt command and read with the SRE command For example if the SRE register is set to 0x10 MAV when the SCPI unit has a message available the Status Byte register will contain 0x50 RQS and MAV and the SRQ line of the GPIB bus will be asserted to indicate a request for service Table 3 1 Status Byte Description Description O Error event queue message available Set when any error event is entered in the System Error Queue It is read using the SYSTem ERRor query Questionable Status flag Indicates the quality of the current data being acquired See questionable status register Message available MAV Indicates a message is available in the GPIB output queue Cleared after the GPIB output buffer is read Standard Event Status Reg
8. AMETEK PROGRAMMABLE POWER Sorensen DHP Series DC Power Supplies IEEE 488 2 RS 232 Options Programming Manual M550005 01 Rev C www programmablepower com About AMETEK AMETEK Programmable Power Inc a Division of AMETEK Inc is a global leader in the design and manufacture of precision programmable power supplies for RAD test and measurement process control power bus simulation and power conditioning applications across diverse industrial segments From bench top supplies to rack mounted industrial power subsystems AMETEK Programmable Power is the proud manufacturer of Elgar Sorensen California Instruments and Power Ten brand power supplies AMETEK Inc is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of 52 5 billion The Company has over 11 000 colleagues working at more than 80 manufacturing facilities and more than 80 sales and service centers in the United States and around the world Trademarks AMETEK isaregistered trademark of AMETEK Inc Sorensen isatrademark owned by AMETEK Inc Other trademarks registered trademarks and product names are the property of their respective owners and are used herein for identification purposes only Notice of Copyright DHP Series DC Power Supplies IEEE 488 2 RS 232 Options Programming Manual 2002 AMETEK Programmable Power Inc All rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN
9. RRent POWer VOLTage 3 5 2 MEASURE SCPI Command Reference Table 3 8 Measure Commands Command Description LSC MEASure CURRent Returns the floating point value of the DC C output current in amps output power in watts output voltage in volts 3 6 OUTPUT SCPI Command Subsystem 3 6 1 OUTPUT SCPI Command Summary OUTPut STATe STATe 3 6 2 OUTPUT SCPI Command Reference Table 3 9 Output Commands Command Description Sep OUTPut FS ee STATe Set Power Supply Output Enable Control This can only be executed when the supply is Remote SCPI control mode STATe Queries the status of the Power Supply C Output Enable Control 3 7 SOURCE SCPI Command Subsystem 3 7 1 SOURCE SCPI Command Summary SOURce n CURRent LEVel IMMediate AMPLitude AMPLitude TRIGgered AMPLitude AMPLitude POWer LE Vel IMMediate AMPLitude AMPLitude TRIGgered AMPLitude AMPLitude VOLTage LEVel IMMediate AMPLitude AMPLitude TRIGgered AMPLitude AMPLitude PROTection CLEar LEVel LEVel TRIPped 3 7 2 SOURCE SCPI Command Reference Table 3 10 Source Commands Command Description Sep SOURce Source subsystem n 1 31 The default C channel is 1 Ke CC AMPLitude Sets the output current in amps for later trigger AMPLitude Reads the output current setpoint amps C ET Ge E AMPLitude Sets the ou
10. T 7 0 program output voltage to 7 0 VDC cause OVP trip confirm that OVP led and SRQ led is active and unit issued a GPIB service request use a serial poll
11. TIONS and SPECIFICATIONS 1 1 Introduction The SCPI interface option enables you to operate your power supplies from a computer via the IEEE 488 2 GPIB and or RS 232 interface allowing full remote programming control and monitoring of your power supply Multiple source control is supported by the SCPI IEEE 488 version allowing control of up to 30 power supplies For manual operation refer to the DHP series user manual P N 11 195 000 00 1 2 Features and Functions Features 12 bit programming and 3 digit readback of voltage and current Programmable overvoltage protection with reset IEEE 488 2 and SCPI compliant command set Soft calibration Rear panel IEEE 488 2 and or RS 232 control interface Rear panel User Control Signal interface Front panel configuration Programmable Functions Output voltage current and power Over voltage protection Output enable disable Full calibration Readback Functions Actual measured voltage and current Voltage and current settings Over voltage protection setting Actual AC input voltage Peak AC input voltage Actual inlet temperature Peak inlet temperature Status and Accumulated Status registers Programming error codes Fault codes Manufacturer power supply model and firmware version identification 1 3 Specifications SUBJECT TO CHANGE WITHOUT NOTICE Programming Resolution Voltage 0 3 of full scale Current 0 3 of full scale Overvoltage Protection 0 5 of full scale
12. ULts CODE CONTroller MAINinput ACHigh ACLow MODule TEMPerature WATChdog DISPlay INDicator SCReen KEYSend ON lt r XO E TEMPerature MAXimum IMMediate TIME CALibrate OPERating VOLTage MAINinput MAXimum IMMediate 3 10 2 DIAGNOSTIC SCPI Command Reference Table 3 13 Diagnostic Commands Command Description L Cpt DIAGnostc le y O Ki ETTE a ee O O MANipu PG MODule Queries module fault counts This returns in integer per module and ending with the third TEMPerature Queries over temperature fault count WATChdog Queries watchdog fault counts INDicator Queries status of the four indicator lights on the front panel Returns a 1 or 0 for each LED indicator The order of values returned is Constant Voltage LED Constant Current LED Constant Power LED and Remote SCReen Queries status of the Front panel screen Returns two strings one for each line of the display Each line is 24 characters KEYSend Allows the user to send keystrokes as if front panel keys were pressed The argument is one or more characters to a maximum of 7 characters in a quoted string The character that can be used are M MENU L LAST SET VOLTAGE CURRENT OVERVOLT 0 9 CANCEL UP DOWN ENTER Z Z ZZ Z Z Z W GOC lt co N N N NL 1 LN N m T ze Table 3 13 Diagnostic Commands continued DIAGnostic X EMPemtre
13. ary ot ret pea der patet pa quads 3 21 3 12 INITIATE SCPI Command Subsystem eene 3 21 3 12 1 INITIATE SCPI Command Gummanm sees eee eee eee eee 3 21 3 13 Legacy Compatibility Commands rrrsnnsvnnnnnnnnvnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnr 3 22 3 14 Examples of Using the SCPI Commands assvnnnnnnnvnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnn 3 22 LIST OF FIGURES Figure 2 1 Flow chart of the menus for SCPI setup EEN 2 2 Figure 2 2 RS 232 Rear Panel DB 9 Connector Pinot 2 3 LIST OF TABLES Table 2 1 Remote Mode Power on Conditions sss sss 2 2 Table 3 1 Status Byte Deet geseet eot AA pee en t uO PE 3 2 Table 3 2 Standard Event Status Register Description 3 3 Table 3 3 Questionable Status Register Description eee eee eee 3 4 Table 3 4 Error Everit Queue epe AA 3 5 Table 3 5 Parameter Definitions eernnnnnnnnnnnvonnnnenonnvnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnennnn 3 8 Table 3 6 Unit Definitions mmm 3 8 Table 3 7 Common Command Subsystem sees eee eee eee eee 3 9 Table 3 8 Measure Command sees eee eee eee 3 11 Reie neun E 3 11 Table 3 10 Source Commands eerte NAGANA GORA 3 13 Table 3 11 Status Commande ee eege eege 3 15 Table 3 12 System Commande 3 18 Table 3 13 Diagnostic eu ul e EE 3 20 Table 3 14 Abort Command sss sese sese eee 3 21 Table 3 15 Initiate Command sse eee eee 3 21 Table 3 16 Legacy CommandS seccion bee Ex P Ra EXER QU RR RR A Ru M ER 3 22 Chapter 1 FEATURES FUNC
14. der Error 111 Header Separator Error 112 Program mnemonic too long 113 Undefined header 114 Header suffix out of range 120 Numeric data error 121 Invalid character in number 123 Exponent too large 124 Too many digits 128 Numeric data not allowed 130 Suffix error 131 Invalid suffix 134 Suffix too long 138 Suffix not allowed 140 Character data error 141 Invalid character data 144 Character data too long 148 Character data not allowed 150 String data error 151 Invalid string data 158 String data not allowed 160 Block data error 161 Invalid block data 168 Block data not allowed 170 Expression error 171 Invalid expression 178 Expression data not allowed 180 Macro error 181 Invalid outside macro definition 183 Invalid inside macro definition 184 Macro parameter error 200 Execution error 201 Invalid while in local 202 Settings lost due to rtl 210 Trigger error 211 Trigger ignored 212 Arm ignored 213 Init ignored 214 Trigger deadlock 215 Arm deadlock 220 Parameter error 221 Settings conflict 222 Data out of range 223 Too much data 224 Illegal parameter value 230
15. e Standard Event Status Enable Register which determines which bits can be set in the Standard Event Status Register See section on Standard Event Status Register for valid values ESE Returns the integer value of the Standard Event Status Enable Register See section on Standard Event Status Register for valid values Response lt 0 NR1 gt ESR Returns the integer value of the Standard Event Status Register The ESR and the Status Byte ESR bit are cleared See section on Standard Event Status Register for valid values Response lt 0 NR1 gt DN Returns the device identification as an ASCII string Response lt Manufacturer gt lt model gt lt serial number gt lt firmware type version amp datecode gt Example Sorensen DHP10 1000 PTS Rev 2 18 19980601 OPC Enables the Operation Complete bit of the Standard Events Status Register to be set when all pending operations are complete See section on Standard Event Status Register OPC Returns the integer value 1 when all pending operations are complete See section on Standard Event Status Register Response lt 0 NR1 gt ROL n Recalls settings from memory Memory numbers from 1 to 9 are valid It can only be executed when the supply is Remote SCPI control mode It recalls setting for Voltage Limit Current Limit Power Limit and Over Voltage Limit Table 3 7 Common Command Subsystem continued Command Description RST Resets the supply to its P
16. eration Complete Cd Request Control not used Execution Error e g range error 6 0x40 UserRequst notused 3 2 3 Operation Status and Questionable Status Registers The Operation Status and Questionable Status Registers are defined in the tables below Both of these registers are read only registers Table 3 3 Questionable Status Register Description Hex Value Description o 1 1 1 1 y Not Regulating at Voltage Limit Bit HexValue Description 1 O0 10x0001 0x0002 0x0004 0x0008 0x0010 0x0020 6 0x0040 0x0080 8 0x0100 9 0x0200 0x0400 0x0800 0x1000 0x2000 0x4000 0x8000 3 2 4 Error Event Queue The SCPI maintains an Error Event Queue as defined by SCPI The queue holds up to 10 error and events It is queried using the SYSTem ERRor command which reads in a First In First Out FIFO manner The read operation removes the entry from the queue The CLS command will clear all entries from the queue The following error codes are defined in the SCPI 1995 0 specification and are supported by the SCPI Error codes are in the range of 32768 32767 SCPI reserves the negative error codes and 0 while error codes greater than 0 are device specific errors Table 3 4 Error Event Queue Error Description 102 Syntax error 104 Data type error 105 GET not allowed 108 Parameter not allowed 109 Missing parameter 110 Command Hea
17. have no effect on the Operation Condition Register ENABle Query the value of the Operation Event Enable register see STATus OPERation CONDition for bit definitions Table 3 11 Status Commands continued Command Description SC STATus Status subsystem OPERation EE et EVENT Query the Operation Event register This operation also clears this register see STATus OPERation CONDition for bit definitions PRESet Clears all bits in STATus OPERation ENABle and STATus QUEStionable ENABle X QUEStionable CONDition Query the Questionable Condition Register A change from 0 to 1 of this condition register sets the corresponding bit of the Questionable Event register The bits in the Questionable Condition register by bit position weight are Not regulating at Voltage Limit Not regulating at Current Limit Time Unused Not regulating at Power Limit Over Temperature condition exists Frequency Unused Phase Unused Modulation Unused Not Calibrated AC Line input out of operating range Module fault s exist Over Voltage Protection tripped Unused Instrument Summary Unused Command Warning Unused Reserved Never Set Table 3 11 Status Commands continued Command Description SC STATus Status subsystem n 1 31 The default C channel is 1 QUEStionable Par ENABle Set the Questionable Event Enable register This is a mask register for the Questionable Event registe
18. ional Instruments EXAMPLE Program a unit with no load at the output to 5 VDC 1 A and verify the output Use SYST ERR after each command to verify no programming errors power on the unit CLS clear the unit to its power on default settings RST reset the unit SOUR CURR 1 0 program output current to 1 0 A SOUR CURR confirm the output current setting response 1 0 SOUR VOLT 5 0 program output voltage to 5 0 VDC SOUR VOLT confirm the output voltage setting response 5 0 MEAS CURR measure the actual output current response 0 0 MEAS VOLT measure the actual output voltage response 5 0 EXAMPLE Program a unit with no load at the output to generate a GPIB service request upon an over voltage protection trip condition Must use GPIB not RS 232 Use SYST ERR after each command to verify no programming errors assure that PON is not selected on the rear panel switch and the front panel SRQ led is OFF Power on the unit CLS clear the unit to its power on default settings RST reset the unit SOUR VOLT PROT 4 0 program the OVP trip point to 4 0 VDC SOUR VOLT PROT confirm the OVP trip point setting response 4 0 SOUR CURR 1 0 program output current to 1 0 A SOUR VOLT 3 0 program output voltage to 3 0 VDC SRE2 enable the GPIB service request upon a fault SRE confirm the GPIB service request enabled response 2 SOUR VOL
19. ister ESR Summary bit for the ESR Set when any of the ESR bits are set and cleared when the ESR is read Request Service flag RQS for serial polling or Master Summary Status MSS in response to STB If service requests are enabled with the SRE command this bit represents the ROS and will be sent in response to a serial poll then cleared If RQS is not enabled the bit represents the MSS bit and indicates the device has at least one reason to request service Even though the device sends the MSS bit in response to a status query STB it is not sent in response to a serial poll It is not considered part of the IEEE 488 1 Status Byte Operation Status flag Indicates the current operational state of the unit See operation status register 3 2 2 Standard Event Status Register ESR The Standard Event Status Register ESR can be read by the ESR command Reading this register or the CLS command will clear the ESR Bits in the ESR will only be set when the corresponding bit in the Standard Events Status Enable Register is set Use the ESE lt mask gt to set bits and the ESE to read this register To configure the DCS Series SCPI to generate GPIB service requests based on the ESR both the Standard Event Status Enable Register and the Service Request Enable Register must be programmed Table 3 2 Standard Event Status Register Description Bit Hex Value Description AT 0 0 O o 0x01 Op
20. ither AMETEK Programmable Power Inc San Diego California USA nor any of the subsidiary sales organizations can accept any responsibility for personnel material or inconsequential injury loss or damage that results from improper use of the equipment and accessories SAFETY SYMBOLS N WARNING N CAUTION Risk of Electrical Shock Refer to Accompanying Documents E Off Supply Direct Current DC b Standby Supply m Alternating Current AC On Supply B Three Phase Alternating Current D Protective Conductor Terminal Hi Earth Ground Terminal TE Fuse nu Chassis Ground This page intentionally left blank Product Family DHP Series DC Power Supplies Warranty Period Five Years WARRANTY TERMS AMETEK Programmable Power Inc AMETEK provides this written warranty covering the Product stated above and if the Buyer discovers and notifies AMETEK in writing of any defect in material or workmanship within the applicable warranty period stated above then AMETEK may at its option repair or replace the Product or issue a credit note for the defective Product or provide the Buyer with replacement parts for the Product The Buyer will at its expense return the defective Product or parts thereof to AMETEK in accordance with the return procedure specified below AMETEK will at its expense deliver the repaired or replaced Product or parts to the Buyer Any warranty of AMETEK will not apply if the Buyer is in defaul
21. me examples of valid data lt 0 NRf gt Zero and positive floating point numeric values Negative floating point numeric values Characters enclosed by single or double quotes 3 3 2 Units The DCS Series SCPI will accept the following units as suffixes to numeric values Table 3 6 Unit Definitions Type of Unit Valid suffix Voltage VOLTS or volts V or v Current AMPS or amps A or a 3 3 4 Queries The query syntax is identical to the command syntax with a appended For example to query the programmed voltage send the string SOURce VOLTage A subsequent device read will return a value such as 33 000 All queries are terminated with a line feed 0x0A for those GPIB controllers that require termination characters When the SCPI has nothing to report its output buffer will contain one ASCII characters a linefeed in decimal the value is lt 10 gt 3 4 IEEE 488 2 Common Command Subsystem The following commands are common to all SCPI instruments and declared mandatory by IEEE 488 2 In the following table the SCPI will be defined as the device on the GPIB bus Table 3 7 Common Command Subsystem Command Description 1 1 O CLS Clears all status reporting data structures including the ka Status Byte Standard Event Status Register and Error Queue Enable masks are not cleared ESE lt 0 NR1 gt Sets the value of th
22. ower ON PON state Clears all status reporting data structures including the Status Byte Standard Event Status Register and Error Queue Enable masks are not cleared SAV n Saves current settings to memory Memory numbers from 1 to 9 are valid It can only be executed when the supply is Remote SCPI control mode It saves setting for Voltage Limit Current Limit Power Limit and Over Voltage Limit SRE lt 0 NR1 gt Sets the value of the Service Request Enable Register which determines which bits in the Status Byte will cause a service request from the device See section on Status Byte for valid values SRE Returns the integer value of the Service Request Enable Register See section on Status Byte for valid values Values range from 0 63 or 128 191 Response lt 0 NR1 gt STB Returns the integer value of the Status Byte with bit 6 representing the Master Summary Status MSS instead of RQS The MSS bit acts as a summary bit for the Status Byte and indicates whether or not the device has at least one reason to request service based on the MAV and the ESR bits The Status Byte is cleared See section on Status Byte for valid values Values range from 0 255 Response lt 0 NR1 gt WAI Sets the device to wait until all previous commands and queries are complete before executing commands following the WAI command 3 5 MEASURE SCPI Command Subsystem 3 5 1 MEASURE SCPI Command Summary MEASure n SCALar CU
23. r When a bit in the Questionable Event register is set and the corresponding bit in the Opeartion Event Enable register is a 1 then the Questionable Event Summary Bit of the Status Register is set ENABle Query the value of the Questionable Event Enable register see STATus QUEStionable CONDition for bit definitions EVENt Query the Questionable Event register This operation also clears this register see STATus QUEStionable CONDition for bit definitions CONDition mo CV 3 9 SYSTEM SCPI Command Subsystem 3 9 1 SYSTEM SCPI Command Summary SYSTem ERRor VERSion 3 9 2 SYSTEM SCPI Command Reference Table 3 12 System Commands Command Description SCPI SYSTem System subsystem IG ERRor Queries Error Queue for next error event entry first in first out Entries conatins an error number and descriptive text A 0 return value indicates no error occurred negative numbers are reserved by SCPI The maximum return string length is 255 characters The queue holds up to 10 error entries All entries are cleared by the CLS command approved version number for that year VERSion Returns a numeric value corresponding to C the SCPI version number for which the instrument complies The response is in the format YYYY V where the Y s represent the year and V represents the e g 1995 0 3 10 DIAGNOSTIC SCPI Command Subsystem 3 10 1 DIAGNOSTIC SCPI Command Summary DIAGnostic FA
24. range of 0 to 30 12 Press the ENTER key 13 Skip to step 16 14 Use the UP ARROW or DOWN ARROW key to select the baud rate this may be in the range of 300 to 19 200 baud 15 Press the ENTER key 16 Verify that the green REMOTE LED on the front panel is on 17 Send a command via the selected interface to verify proper operation i e IDN This command string returns the power supply model and firmware version and does not affect the output PON On ON Figure 2 1 Flow chart of the menus for SCPI setup SCPI CONTROL INTERFACE SERIAL RS 232 a SCPI CONTROL INTERFACE GPIB IEEE 488 300 19200 Available SERIAL DATA INTERFACE SPEED 9600 0 Powering up in remote mode will result in the operating conditions shown in Table 2 1 Table 2 1 Remote Mode Power on Conditions ee GEER Condition Default O 0 0 Volts 0 0 Amps OVP Trip Voltage Model maximum voltage 10 Output ION Service Request Capability 2 1 1 Address Selection The address selection for a master unit is the GPIB address of that device 1 30 The address selection for an auxiliary unit is the channel number of that device 2 31 The channel selections 0 and 1 are invalid for an auxiliary device because SCPI reserves channel 0 as the global channel to address all channels and channel 1 as the default master channel to address the master unit Selecting a secondary address of 0 causes the controller to use onl
25. t under the Purchase Order Agreement or where the Product or any part thereof e is damaged by misuse accident negligence or failure to maintain the same as specified or required by AMETEK e is damaged by modifications alterations or attachments thereto which are not authorized by AMETEK e is installed or operated contrary to the instructions of AMETEK e is opened modified or disassembled in any way without AMETEK s consent or e is used in combination with items articles or materials not authorized by AMETEK The Buyer may not assert any claim that the Products are not in conformity with any warranty until the Buyer has made all payments to AMETEK provided for in the Purchase Order Agreement PRODUCT RETURN PROCEDURE 1 Request a Return Material Authorization RMA number from the repair facility must be done in the country in which it was purchased s Inthe USA contact the AMETEK Repair Department prior to the return of the product to AMETEK for repair Telephone 800 733 5427 ext 2295 or ext 2463 toll free North America 858 450 0085 ext 2295 or ext 2463 direct e Outside the United States contact the nearest Authorized Service Center ASC A full listing can be found either through your local distributor or our website www programmablepower com by clicking Support and going to the Service Centers tab 2 When requesting an RMA have the following information ready e Model number e Serial number e Descrip
26. tion of the problem NOTE Unauthorized returns will not be accepted and will be returned at the shipper s expense NOTE A returned product found upon inspection by AMETEK to be in specification is subject to an evaluation fee and applicable freight charges WA 1 This page intentionally left blank WA 2 TABLE OF CONTENTS Chapter 1 FEATURES FUNCTIONS and SPECIFICATIONS 1 1 WI ITT ANRIA BABA TANANG 1 1 1 2 Features and FUNClons Luumaevuvreamemmmesnmmnaganammnmanisa 1 1 E e 1 2 Chapter 2 CONFIGURA TION ertet ipi eret ri eee terae AG 2 1 2 Setup Procedure Lane en 2 1 2 1 1 Address EE 2 2 2 2 External User Control Signal Connector eese 2 3 2 3 Remote programming via RS 232 nnvnnnnnnnnvvnnnnnnnnvnnnnnnnvnnnnnnnnvnnnnnnnnnnnnnnnnnnvennnnn 2 3 Chapter 3 IEEE 488 2 and SCPI COMMAND OPERATION ener 3 1 3 1 Tue e e EE 3 1 3 2 IEEE 488 2 Register Definitions essrrrrnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvenene 3 1 3 2 SAUS BOA haaa 3 1 3 2 2 Standard Event Status Register ESP 3 3 3 2 3 Operation Status and Questionable Status Registers 3 4 3 2 4 Error Event QUOUO aNG Na 3 5 3 2 5 Serial Poll OpSraliDb seii tette t bie anap cece AA 3 7 3 3 IEEE 488 2 and SCPI Conformance Information 3 8 3 3 1 Parameter Definitions rre
27. tput power in watts for later trigger C volts C C C C C TRIGgered EE EEN AMPLitude Sets the output voltage in volts for later trigger amps in volts I a the power supply to run in volts set point in volts TRIPped Returns the integer value 1 TRIPPED or C 0 UNTRIPPED state of the over voltage protection C C C C C 3 8 STATUS SCPI Command Subsystem 3 8 1 STATUS SCPI Command Summary STATus n OPERation CONDition ENABIe ENABle EVENt PRESet QUEStionable CONDition ENABle EVENt 3 8 2 STATUS SCPI Command Reference Table 3 11 Status Commands Command Description WEN ST EO NE CONDition Query the Operation Condition Register A change from 0 to 1 of this condition register sets the corresponding bit of the Operation Event register The bits in the Operation Condition register by bit position weight are Calibrating Unused Setting Unused Ranging Unused Sweeping Unused Measuring Unused Waiting for Trigger Unused Waiting for Arm Unused Correcting Unused Remote OFF asserted Remote Analog Voltage Programming mode Remote Analog Current Programming mode 2048 Unused 4096 Unused Unused 14 16384 Auto Step Program Running 15 32768 Reserved Never Set ENABle Sets the enable mask of the Operation Event Register allowing true conditions to be reported in the summary bit of the Operation Condition Register Values are written and queried but
28. utput voltages also may be floating above WARNING below chassis ground The equipment used contains ESD sensitive parts When installing equipment follow ESD Safety Procedures Electrostatic discharges might WARNI NC cause damage to the equipment Only qualified personnel who deal with attendant hazards in power supplies are allowed to perform installation and servicing Ensure that the AC power line ground is connected properly to the Power Rack input connector or chassis Similarly other power ground lines including those to application and maintenance equipment must be grounded properly for both personnel and equipment safety Always ensure that facility AC input power is de energized prior to connecting or disconnecting any cable In normal operation the operator does not have access to hazardous voltages within the chassis However depending on the user s application configuration HIGH VOLTAGES HAZARDOUS TO HUMAN SAFETY may be normally generated on the output terminals The customer user must ensure that the output power lines are labeled properly as to the safety hazards and that any inadvertent contact with hazardous voltages is eliminated Guard against risks of electrical shock during open cover checks by not touching any portion of the electrical circuits Even when power is off capacitors may retain an electrical charge Use safety glasses during open cover checks to avoid personal injury by any sudden component failure Ne
29. y the primary address A secondary address of 0 is the recommended operating mode 2 2 External User Control Signal Connector The 25 pin connector located at the rear panel provides external auxiliary control signals to increase the user s operating control of the supply WARNING Please refer to the DHP manual P N 11 195 000 00 for further information It is not recommended that any of the sense be changed if the power supply output is greater than zero volts or zero amps 2 3 Remote programming via RS 232 The RS 232 interface operates at up to 19 200 baud with 8 data bits no parity and 1 stop bit All SCPI commands are supported at the RS 232 interface with the exception of the Service Request SRQ function which is a GPIB specific function requiring the dedicated Service Request line of the IEEE 488 2 interface In this case the SRQ function has no effect The RS 232 interface is accessible through the rear panel DB 9 connector J2 Figure 2 2 RS 232 Rear Panel DB 9 Connector Pinout RX TX GND yyy 123 4 5 6 7 8 9 Chapter 3 IEEE 488 2 and SCPI COMMAND OPERATION 3 1 Introduction The following sections describe the operation of the SCPI by remote programming using the SCPI IEEE488 2 and SCPI command set The SCPI IEEE488 2 and SCPI command set of programming query and status commands allow control of the power supply 3 2 IEEE 488 2 Register Definitions The SCPI supports the IEEE 488 2 and SCPI
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