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Xantrex RS232-XPD manual

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Table of contents for the manual

  • Page 1

    Operating Manual Internal RS-232 Interface for XPD Series Programmable DC Power Supply RS232-XPD[...]

  • Page 2

    [...]

  • Page 3

    Operating Manual for Internal RS-232 Interface for XPD 500 Watt Series Programmable DC Power Supply[...]

  • Page 4

    ii Operating Manual for RS-232 for XPD Series Power Supply Limited W arranty What does this warranty cover and how long do es it last? This Limited W arranty is pro vided by Xantrex T echnology , Inc. (“Xantrex”) and covers defects in workmanship and materials in your RS-232 Interface Card . This warranty lasts for a W arranty Period of 5 years[...]

  • Page 5

    Release 1.2 iii Direct returns may be performed accordi ng to the Xantrex Return Material Authorization Policy describ ed in your pr oduct 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[...]

  • Page 6

    iv Operating Manual for RS-232 for XPD Series Power Supply Disclaimer Product THIS LIMITED W ARRANTY IS THE SOLE AND EXCLUSIVE W ARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YO UR XANTREX PRODUCT AND IS, WHERE PERMIT TED BY LA W , IN LIEU OF ALL OTHER W ARRANT IES, CONDITIONS, GUARANTEES, REPRESENT A TIONS, OBLI GA TIONS AND LIABILITIES, EXPRES S[...]

  • Page 7

    Release 1.2 v Information WITHOUT LIMITING THE GENERA LITY OF THE FOREGOING, UNL ESS SPECIFICALL Y AGREED T O BY IT IN WRI TING, XANTREX a. MAKES NO W ARRANTY AS TO THE ACCU RACY , SUFFICIENCY OR SUIT ABILITY OF ANY TECHNICAL OR O THER INFORMA TION PROVIDED IN MANUALS OR O THER DOCUMENT A TION PROVIDED BY IT IN CONNECTION WITH THE PRODUCT ; AND b. [...]

  • Page 8

    vi Operating Manual for RS-232 for XPD Ser ies Power Supply Power Supply Safety W arnings, Cautions, and Notes W arnings, cautions, and notes are defined and formatted in this manual as shown below . W ARNING—High Ener gy and High V olt age Exercise caution when using and calibrating a power supply . High energy levels can be stored at the output[...]

  • Page 9

    Release 1.2 vii About This Manual This technical manual is for the RS-2 32 Interface; a microprocessor-controlled option card for all models of XPD Series DC output power supp lies. This manual provides you with specificati ons, user options , and configuration instructions for the interface, along with a command set which allows you to control you[...]

  • Page 10

    About This Manu al viii Operating Manual for RS-232 for XPD Series Power Supply[...]

  • Page 11

    Release 1.2 ix Contents About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Section 1. Features and Specificati ons Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Features and Functions . . . . . [...]

  • Page 12

    Content s x Operating Manual for RS-232 for XPD Series Power Supply Accumulated Status, Status, and Fault R egisters . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Troubleshooting . . . . . . . . . . . . . . . . .[...]

  • Page 13

    Release 1.2 11 Section 1. Features and S pecifications Description The RS-232 Interface is a microprocessor-co ntrolled option card for all models of the XPD Series of DC output power supply . Installed internally , the RS-232 interface card gives you remote digital control of simp le test systems. It features fast, 16-bit resolution for programmin[...]

  • Page 14

    Features and Specifications Features and Functions 12 Operating Manual for RS-232 for XPD Series Power Supply Features and Functions Features • 16-bit programming and read back of voltage and cu rrent • Programmable soft limits for voltage and current • Programmable over volta ge protection with reset • Easy-to-use, self-docum enting comman[...]

  • Page 15

    Features and Specifications Specifications Release 1.2 13 Specifications The specifications in this section are warranted at 25°C ±5°C unless otherwise specified. All specifications are subject to change without notice. T a ble 1.1 S pecifications for XPD 500 W Series Supp ly with RS-232 In terface Installe d. Models 7.5-67 18-30 33-16 60-9 120-[...]

  • Page 16

    Features and Specifications Specifications 14 Operating Manual for RS-232 for XPD Series Power Supply[...]

  • Page 17

    Release 1.2 15 Section 2. Inst allation and Configuration Introduction T o use this product, you must have the following equ ipment: • a compatible model of DC output power su pply • serial extender cable (straight through) • computer with an RS-232 interface (serial port) • computer-based communications software package The RS-232 interfac[...]

  • Page 18

    Inst allation and Configuration Initial Inspection 16 Operating Manual for RS-232 for XPD Series Power Supply Figure 2.1 Power Supply Front Pan el with RS-232 Interface Installe d ! CAUTION Use proper static control techniques to av oid dama ge to static-sensitive components on the printed circuit board. Service Request LED (SRQ) Only used fo r GPI[...]

  • Page 19

    Inst allation and Configuration Initial Inspectio n Release 1.2 17 Figure 2.2 RS-232 Interface Subplate (Located on Power Supply Rear Pane l) ! CAUTION Use proper static control techniques to av oid dama ge to static-sensitive components on the printed circuit board S1 Switch 1 Remote/Local S tartup 2 Power On Servi ce Reques t (Enable/Disabl e) 3 [...]

  • Page 20

    Inst allation and Configuration Initial Inspection 18 Operating Manual for RS-232 for XPD Series Power Supply Figure 2.3 RS-232 Interface PCB JUMPER SELECTION J2 Local OVP control selection [closed] [default]. See page 28. [open] Front Panel OVP Control. J3 User TTL shu tdown (S/D) selection [1-2] User TTL S/D line active low . See p age 31. [2-3] [...]

  • Page 21

    Inst allation and Configuration Basic Setup Procedure Release 1.2 19 Basic Setup Procedure This procedure can be used as a quick reference for those familiar with the configuration requirements for the RS-232 interface as inst alled in the DC power supply . For those who want mo re information, each step refers to more detailed procedures located i[...]

  • Page 22

    Inst allation and Configuration Communications 20 Operating Manual for RS-232 for XPD Series Power Supply Communications Baud Rate Selection Serial transmission sends and receives data in bit streams at fixed bit rates. Both the computer and the interface must have the same bit rate setting for proper communication. Use switches B1, B2, and B3 on t[...]

  • Page 23

    Inst allation and Configuration Communications Release 1.2 21 Once flow control is selected as option, two flow control methods are available. Y ou can use the rear panel XON switch to select either softw are-based XON/XOFF flow protocol or hardware-b ased CTS/R TS or DTR/DSR flow protocol. T able 2.4 sh ows the flow control conditions w ith regard[...]

  • Page 24

    Inst allation and Configuration Communications 22 Operating Manual for RS-232 for XPD Series Power Supply T a ble 2.6 Jumper/Pin Settings for DTR/ DSR Flow Control (Default) Connections Use a 9-pin (DB9) to 9-pin p arallel cabl e to connect the interface card to the serial port on the h ost computer . If you n eed to use a 2 5-pin connecto r (DB25)[...]

  • Page 25

    Inst allation and Configuration Remote/Local Operation Release 1.2 23 Remote/Local Operation Remote / Local Mode Star tu p S tart the power supply either in local mode or in remote mode by setting the power ON remote (PON REM) switch which is lo cated on the unit’ s rear panel. See T able 2.9 for the switch settings. T a ble 2.9 Remote/Local S ta[...]

  • Page 26

    Inst allation and Configuration Remote/Local Operation 24 Operating Manual for RS-232 for XPD Series Power Supply T a ble 2.10 Remote Mode Powe r On Conditions Remote Mode Operation While in remote mode, use the interface commands to control the output of the power supply from a computer . See Section 3 for a complete list of device-depen dent comm[...]

  • Page 27

    Inst allation and Configuration Remote/Local Operation Release 1.2 25 the power supply into loca l mode, o r use the REM OFF command to turn o f f LLO and return the power supply to local mode. When you to ggle to remote mode from local mode, the power supply has th e same conditions are were last set. Remote Enable (REM) Command Y ou can use the R[...]

  • Page 28

    Inst allation and Configuration RS-232 Connection 26 Operating Manual for RS-232 for XPD Series Power Supply RS-232 Connection Use an a pproved RS-23 2 connector and cable when con necting the RS-2 32 Interface to your computer . The RS-232 connector uses the 9 pin mating connector J4 on the rear panel. Figure 2.4 shows the connector pinouts for th[...]

  • Page 29

    Inst allation and Configuration Power Supply Settings Release 1.2 27 Power Supply Settings For serial communication, the computer and the RS-232 interface must share the same communication set tings. Make sure that the settin gs of the computer and of the power supply agree with those shown in T able 2.1 1. T a ble 2.1 1 Power Supply Settings Param[...]

  • Page 30

    Inst allation and Configuration User Options and Settings 28 Operating Manual for RS-232 for XPD Series Power Supply User Options and Settings Y ou can customize remote operation settin gs for OVP (over voltage protection) control and T TL shutdown by changi ng jumper positi ons on the RS-232 PCB. Refer to the oper ating manual for in formation on [...]

  • Page 31

    Inst allation and Configuration User Options and Settings Release 1.2 29 TTL Shut down Y ou can us e the Shutdown functio n to di sable or enable the supply's output. Disabling the supply using TTL shutdown allows you to make adjustments to the load or to the power supp ly without shutting down t h e power supply . W ith the RS-232 interface i[...]

  • Page 32

    Inst allation and Configuration User Signals 30 Operating Manual for RS-232 for XPD Series Power Supply User Signals Connector J21 User Signals Auxiliary connector J21, located on the RS-232 interface rear panel, provides several signals to increase your operat ing control of the supply . These signals are dependent o n the operator's design a[...]

  • Page 33

    Inst allation and Configuration User Signals Release 1.2 31 Figure 2.6 J21 User Signal Connector Circuit Block Diagram J21 Cable Connection Use a standard 8-position telephone jack an d data cable to connect to J21. Add a ferrite block to reduce radiated emission . The one inch square ferrite block with built-in housing clip is pack aged and shippe[...]

  • Page 34

    Inst allation and Configuration User Signals 32 Operating Manual for RS-232 for XPD Series Power Supply Figure 2.7 J21 User Cable with Ferrite Block J21 User Cable Ferrite Block T o User Custom Interface T o J21 Connector[...]

  • Page 35

    Release 1.2 33 Section 3. Operation Introduction This section covers RS-232 interface prog ramming, including an extensive set of device-depend ent commands, and p roviding e rror codes, and status and fault register information. RS-232 Operation The RS-232 interface card lets you send and receive data b etween your po wer supply and computer , rel[...]

  • Page 36

    Operation Command Syntax 34 Operating Manual for RS-232 for XPD Series Power Supply Command Format and Parameters The device-dependent language for the RS -232 Interface cons ists of commands and parameters. A command is a one word code which either gives instructions to the interface or asks for inform ation from the interface. A co mmand may be f[...]

  • Page 37

    Operation Command Syntax Release 1.2 35 T a ble 3.1 Command Para meters Floating Point Number <float> V ariables sent with command parameters are floating point numbers. T able 3.2 defines the structure of floating point numbers for use with the software commands. T a ble 3.2 Floating Point Numbers Command Strings If you send more than one co[...]

  • Page 38

    Operation Command Syntax 36 Operating Manual for RS-232 for XPD Series Power Supply Command T erminators T erminators indicate the end of a command string and tell the power supply to execute the command. The termina tion character is LF (Line Feed). Format: COMMAND <parameter>; COMMAND <parameter>, <paramete r><LF> Most com[...]

  • Page 39

    Operation Command Summary Release 1.2 37 Command Summary Use these commands to control the operation of the supply . They are listed here in order of function such as PROGRAMMING , QUER Y , CALIBRA TION, and ST A TU S commands. See “Command Refere nce” on page 40 for more deta iled information about each command and its use. T a ble 3.3 Program[...]

  • Page 40

    Operation Command Summary 38 Operating Manual for RS-232 for XPD Series Power Supply T a ble 3.4 Query Commands Command Description AUXA? Asks for the state of the set value for the AUXA command AUXB? Asks for the state of the set value for the AUXB command CMODE? Asks for the power supply’ s calibration mode st atus. DL Y? Asks for the programma[...]

  • Page 41

    Operation Command Summary Release 1.2 39 T a ble 3.5 Calibration Commands T a ble 3.6 S tatus Commands Command Description CMODE Places the supply into calibration mode. IDA T A Calculates the slope and intercept for current programming. IHI Sets the current output to the high calibration point. ILO Sets the current output to the low calibration po[...]

  • Page 42

    Operation Command Reference 40 Operating Manual for RS-232 for XPD Series Power Supply Command Reference T a ble 3.7 Command Refere nce Command Description ASTS? Asks for the supply’s accumulated st atus register . The accumulated status register stores any bit that was entered in the status register since the accumulated status query command (AS[...]

  • Page 43

    Operation Command Reference Release 1.2 41 Command Description DL Y <seconds> Sets a programmable time delay employed by the supply before rep orting fault conditions. The power supply uses the time delay after receiving a new output voltage or current setting via VS ET or ISET , or after receiving RST , TRG , or OUT ON commands. During the t[...]

  • Page 44

    Operation Command Reference 42 Operating Manual for RS-232 for XPD Series Power Supply Command Description FOLD? Asks for the supply’s present foldback setting. Response: FOLD <mode> where mode is: 0 (OFF) or 1 (CV or Constant V oltage mode) or 2 (CC or Constant Current mode) G TL Go to local. Returns the power supply to local control. See [...]

  • Page 45

    Operation Command Reference Release 1.2 43 Command Description IOUT? Measures the supply’s actual current output using the built-in current readback circuitry . Response: IOUT <current> IRDA T <Ilo>,<Ihi> Calculates and records the slope and of fset for readback voltage using IRLO and IRHI data. Set CMODE ON before using this co[...]

  • Page 46

    Operation Command Reference 44 Operating Manual for RS-232 for XPD Series Power Supply Command Description OUT <1/ON>,<0/OFF> Enables or disables the supply’s voltage/current outpu t. The supply will continue to accept new commands while the output is disabled but these will not be implemented until OUT ON or OUT 1 is received. OUT ON[...]

  • Page 47

    Operation Command Reference Release 1.2 45 Command Description STS? Asks for the supply’s present status register . S tatus conditions are stored in the status register . Each bit represents a sep arate condition. When the condition is true, the corresponding bit is 1 (true). Bits remain set in the status register as long as the condition is true[...]

  • Page 48

    Operation Command Reference 46 Operating Manual for RS-232 for XPD Series Power Supply Command Description VLO In response to this command, the power supply sends a programmed voltage value to the output terminal. This value is at the low end of the power supply’s volt age range and is read by an external voltmeter connected as part of the calibr[...]

  • Page 49

    Operation Accumulated Status, S tatus, and Fault Registers Release 1.2 47 Accumulated S t atus, S t atus, and Fault Registers The RS-232 option card uses thre e separate registers which are always active. They are the accumulated status, status, and fa ult registers. Y ou can use the status commands shown in T able 3.6, “S tatus Co mmands” to a[...]

  • Page 50

    Operation Accumulated Status, S tatus, and Fault Registers 48 Operating Manual for RS-232 for XPD Series Power Supply T a ble 3.8 Accumulated S tatus, S tatus, and Fault Reg isters Notes: 1. All mnemonics can be masked or unmasked. 2. The error (E RR) bit is rese t in the ac cumulated status, status, and serial poll registers with an error query (E[...]

  • Page 51

    Operation Error Codes Release 1.2 49 Error Codes If the ERR flag in the accumulated status or fault registers has been activated, an ERR? query will return an error number which corresponds to an event described in the following table. The ERR? query will a lso clear the ERR bit in the register . T a ble 3.9 Error Codes ERROR # ERROR IDENTIFICA TIO[...]

  • Page 52

    Operation T roubleshooting 50 Operating Manual for RS-232 for XPD Series Power Supply T roubleshooting Diagnostic LEDs This section describes the diagnostic LEDs found on the RS-232 interface. Computer Operating Prope rly (COP) LEDs The RS-232 interface provides three diagnostic LEDs, located at D5 , D4, and D1 on its PCB. Refer to Figure 2.3, ‘R[...]

  • Page 53

    Release 1.2 51 Section 4. Calibration Introduction Y ou can calibrate the RS-232 interface by ad justing the signal levels on the interface card so that they correspond to the expected signal levels on the power supply's main assembly . Y ou may need to recalibrate the in terface if you replace parts either on the interface board or on the mai[...]

  • Page 54

    Calibration V oltage Mod e Calibration 52 Operating Manual for RS-232 for XPD Series Power Supply V olt age Mode Calibration V oltage Calibration Setup 1. Disconnect the load from the power su pply which is to be calibrated. 2. Connect a voltmeter across the po wer supply’ s output terminals. Figure 4.1 V oltage Calibration Setup V oltage Program[...]

  • Page 55

    Calibration V oltage Mode Calibration Release 1.2 53 V oltage Readback Calibration Procedure 1. Set the power supply for calibration as in Figure 4.1. 2. Activate calibration mode by sendi ng command CMODE ON or CMODE 1 to the power supply . 3. Send command VRLO; IRLO to the power supply . W ait for the supply to settle. Measure and record the outp[...]

  • Page 56

    Calibration Current Mode Calibration 54 Operating Manual for RS-232 for XPD Series Power Supply Current Mode Calibration Current Calibration Setup 1. Disconnect the load from the po wer supply to be calibrated. 2. Connect a shunt across the supply's output terminals. 3. Connect a voltmeter across the shunt. Figure 4.2 Current Calibration Setup[...]

  • Page 57

    Calibration Current Mode Calibration Release 1.2 55 Current Readback Calibration Procedure 1. Connect the curre nt shunt and voltmeter to the power supply as shown in Figure 4.2. 2. Activate calibration mode by sendi ng command CMODE ON or CMODE 1 to the power supply . 3. Send command IRLO; V RLO to the power supply . W ait for the supply to settle[...]

  • Page 58

    Calibration Over V oltage Protection (OVP) Calibration 56 Operating Manual for RS-232 for XPD Series Power Supply Over V oltage Protection (OVP) Calibration W e recommend that you perform OVP ca libration every six mon ths. Connecting a digital voltmeter as in “V oltage Calibration Setu p” is optional. 1. Disconnect all loads from the power sup[...]

  • Page 59

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    Xantrex Technology Inc. 8999 Nelson W ay Burnaby , British Columbia Canada V5A 4B 5 604 422 85 95 T el 604 421 30 56 F a x 800 667 8422 T oll Free North America prg.info@xantrex.com www .xantre x.com TM-RSPD-01XN PRINTED IN CANADA[...]