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XR Series III User Manual - Magna

1. VO VOLTAGE MODE CONTROL P O JS1 21 vo O 10 REF O 4 TVREF EXT O 23 TIREF EXT O 22 IREF EXT O 3 VREF EXT O 2 REF GND OE start i QH stor SLAVE VO P O JS1 VO CH 102 mi2 O STANDBY ALM O power Cy Vi O 02 CH REF GND TO SECOND MASTER SLAVE LOAD Figure 3 17 Master Slave series connection 3 5 Troubleshooting Guide The XR Series III power supplies consist of a multistage power processing system Because of its complexity it is highly recommended that all repairs be performed by the factory or a qualified power supply technician Before attempting maintenance or repair the technician should be familiar with the components of the systems and the theory of operation Some basic test equipment is also necessary source of AC power means of loading the power supply DC voltmeter with accuracy and resolution better than the programmable DC power supply specifications and an oscilloscope Troubleshooting Guide Caution When servicing the power supply dangerous voltage levels exist All AC and DC capacitors should be discharged Be especially careful of person and equipment when measuring primary circuitry since this is at line potential 1 Fuse F1 F2 or F3 blows when the power supply is turned on Power supply has a short on the primary side e Check diode bridge DB1 Check for failed power semiconductor on the Chopper Module e Check for isolation to g
2. START OCT LED FLASHES OCT DISPLAYED IN CUR DISPLAY m CLEAR PS RETURNS TO NORMAL OPERATION STOP conF FLASHES IN VOLT DISPLAY Se ENTER gt REM SEN LED FLASHES V I SET STANDBY MODE ONLY INT CTL LED FLASHES TRIP SET CAL FLASHES IN VOLT DISPLAY EXT CTL LED FLASHES De ITEM CLEAR ITEM ROTARY LED FLASHES H EXT PGM LED FLASHES e CLEAR DISABLES INTERLOCK REMOTE LED FLASHES PS RETURNS TO NORMAL OPERATION INTERLOCK LED FLASHES ENTER ENABLES INTERLOCK PS RETURNS TO NORMAL OPERATION Figure 3 10 Enable or disable external interlock functionality 3 2 4 Calibration Commands Figure 3 11 Front panel calibration menu illustrates how to utilize the calibration commands using the front panel Calibration commands allow calibration of five digital potentiometers display of the firmware and hardware revisions and reset the digital potentiometers to the factory calibration settings All of these commands can be made when the power supply is in either the standby or power mode state To enter the calibration commands first press the menu key The over voltage trip LED will initially flash Then press the item key 3 times The voltage display will flash CAL calibration Press enter for 10 seconds or press clear to exit the calibration command menu Upon entering the calibration commands
3. 1 Start the HyperTerminal application and when prompted select TCP IP Winsock in the Connect using list box 85 Chapter 5 Computer Programming 2 Insert the recorded IP address in the Host address text box and port number in the Port number text box 3 Click the OK button 4 Set the following properties for HyperTerminal s ASCII setup e Send line ends with line feeds Echo typed characters locally Append line feeds to incoming line ends 5 Type IDN in the input window and press enter The identification of the instrument should appear 5 4 3 LXI TCP IP Ethernet SCPI Commands 5 4 3 1 NET VERS Description This query reads the firmware and hardware versions of the Ethernet communications module Query Syntax SYSTem COMMunicate NETwork VERSion Examples SYST COMM NET VERS NET VERS Returned Parameter lt Firmware Ver XX Y Hardware Rev XX Y gt 5 4 3 2 NET MAC Description This query returns the MAC address of the Ethernet module MAC address consist of two number groups the first three bytes are known as the Organizationally Unique Identifier OUI which is distributed by the IEEE and the last three bytes are the device s unique serial number The six bytes are separated by hyphens The MAC address is unique to the instrument and cannot be altered by the user Query Syntax SYSTem COMMunicate NETwork MAC Examples SYST COMM NET MAC NET MAC
4. Returned Parameter lt XX XX XX YY YY YY gt Related Commands NET ADDR NET GATE NET SUBN NET PORT NET HOST NET DHCP 86 LXI TCP IP Ethernet SCPI Commands 5 4 3 3 NET SER Description This command sets the serial number of the Ethernet module The serial number is an integer ranging from 1 to 16777215 and cannot be altered by the user Query Syntax SYSTem COMMunicate NETwork SER Examples SYST COMM NET SER NET SER Returned Parameter lt NR1 gt 5 4 3 4 NET ADDR Description This command sets the static address of the Ethernet module of the power supply The factory default address setting is 192 168 1 100 Command Syntax SYSTem COMMunicate NETwork ADDRess lt string gt Parameters IP address is represented with 4 bytes each having a range of 0 255 separated by periods Examples SYSTem COMM NET ADDR 192 168 10 2 NET ADDR 192 168 10 2 Query Syntax SYSTem COMMunicate NETwork ADDRess Returned Parameter lt string gt Related Commands NET MAC NET GATE NET SUBN NET PORT NET HOST NET DHCP 5 4 3 5 NET GATE Description This command sets the Gateway IP address of the Ethernet module of the power supply The factory default Gateway IP setting is 192 168 1 1 Command Syntax SYSTem COMMunicate NETwork GATE lt string gt Parameters Gateway IP address is represented with 4 bytes each having a range of 0 255 separated by dots Examples
5. 1 ENABLES INTERNAL START STOP ARM AND CLEAR CLEAR PS RETURNS TO NORMAL OPERATION ENTER REM SEN LED FLASHES Configuration Commands ENABLES REM SEN REM SEN LED ON PS RETURNS TO NORMAL OPERATION DISABLES REM SEN REM SEN LED OFF PS RETURNS TO NORMAL OPERATION INT CTL LED FLASHES _ ENTER ENABLES INT CTL EXT CTL LED FLASHES INT CTL LED ON PS RETURNS TO NORMAL OPERATION t ROTARY LED FI HE OTARY LED FLASHES L am DISABLES INT CTL EXT PGM LED FLASHES REMOTE LED FLASHES INTERLOCK LED FLASHES Figure 3 5 Enable or disable internal control mode MENU START t gt OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY OCT LED FLASHES STOP V I SET OCT DISPLAYED IN CUR DISPLAY conF FLASHES IN VOLT DISPLAY STANDBY MODE ONLY CAL FLASHES IN VOLT DISPLAY TRIP SET CLEAR NOTES ITEM 1 ENABLES EXTERNAL START STOP ARM AND CLEAR CLEAR PS RETURNS TO NORMAL OPERATION ENTER gt REM SEN LED FLASHES INT CTL LED FLASHES H EXT CTL LED FLASHES p ENTER ITEM ROTARY LED FLASHES H EXT PGM LED FLASHES ES CLEAR H REMOTE LED FLASHES INTERLOCK LED FLASHES Figure 3 6 Enable or disable external control mode ME
6. 5 1 3 4 CAL SCAL VOLT Description This command sets the voltage scale factor for the power supply Command Syntax CALibrate SCALe VOLTage lt NRf gt Examples CALIBRATE SCALE VOLTAGE 16 0 CAL SCAL VOLT 16 0 Query Syntax CALibrate SCALe VOLTage Returned Parameter lt NR3 gt 5 1 3 5 CAL SCAL CURR Description This command sets the current scale factor for the power supply Command Syntax CALibrate SCALe CURRent lt NRf gt Examples CALIBRATE SCALE CURRENT 900 0 CAL SCAL CURR 900 0 Query Syntax CALibrate SCALe CURRent Returned Parameter lt NR3 gt 5 1 3 6 CAL SCAL INP Description Calibration Commands This command sets the full scale external programming inputs for voltage current over voltage trip and over current trip The scaling factor for the programming inputs must match the scaling factor set with hardware on the control board Command Syntax CALibrate SCALe INPut lt NRf gt Examples CALIBRATE SCALE INPUT 10 0 CAL SCAL INP 10 0 55 Chapter 5 Computer Programming Query Syntax CALibrate SCALe INPut Returned Parameter lt NR3 gt 5 1 3 7 CAL DEF Description This command sets the Calibration potentiometers to the factory defaults Command Syntax CALibrate DEFaults Examples CALibrate DEFaults CAL DEF 5 1 3 8 CAL STOP Description This command terminates the calibration subsystem Command Syntax CALibrate STOP Examples CALib
7. 6 2 Leadless Remote Sensing Remote sensing is used to improve the degradation of regulation which will occur at the load when the voltage drop in the connecting wires is appreciable Remote sensing as described in Section 2 4 1 Remote Voltage Sensing requires an pair of wires to be connected between the output of the power supply and the desired point of load regulation Remote sensing can be accomplished without the use of the additional sense leads by calculating the voltage drop in the output leads and adjusting the output voltage accordingly To establish leadless remote sensing connect terminal 24 of JS1 to terminal 25 of JS1 set the modulation control parameter to voltage control and set the modulation type to 1 Figure 6 2 Leadless remote voltage sensing illustrates the hardware connection and Section 5 1 6 Modulation Commands describes application of the modulation subsystem Modulation tables can be easily entered and permanently stored in the power supply using the included RIS Panel software as described in Section 4 7 Modulation Panel With this configuration output voltage will increase or decrease with output current as defined by the modulation table By programming a positive slope into the modulation table output voltage and voltage drop due to lead loss can be made to cancel For an installation where there is a 2 drop in voltage at full scale current the modulation table should be programme
8. EN55022 Class A Product Specifications Emissions EN61000 6 1 2001 Generic Immunity Standard including the following cross references EN61000 4 2 Electrostatic Discharge EN61000 4 3 Radiated Susceptibility EN61000 4 4 Electrical Fast Transient Burst EN61000 4 6 Conducted Susceptibility EN61000 4 8 Magnetics EN61000 4 11 Voltage Dips and Interruptions 1 4 Models XR 1000 8 0 208 HS LXI Product Series A Option Codes HS GPIB LXI PPPE RS485 UID and USB Front Panel Type Input Voltage Empty Standard C Blank Voltage Current 208 Vac 10 240 Vac 10 208 Vac 30 240 Vac 30 Note Computer control and 37 pin Maximum Maximum 380 Vac 30 415 Vac 30 440 Vac 30 480 Vac 30 isolated I O included with all front panel types Figure 1 2 XR Series III model ordering guide Chapter 1 Product Information Table 1 6 XR Series III Models details the available standard XR Series III models The Current Maximum Adc column is separated by the available power levels To determine the appropriate model first select your output Voltage Maximum Vdc to find appropriate row Next select one desired Current Maximum from the row that contains your desired Voltage Maximum Then construct you model number according to the Figure 1 2 XR Series II model ordering guide Non standard voltage and current configurations are available Table 1 6 XR Series II Models 2 kw 4 kW 6 kW Voltage Current Maximum
9. MENU Selects function ITEM Selects item within function Rear and Side Panel Definitions 1 Rear Air Exhaust Output DC Connections Front View Computer and External Control Connections Chapter 1 Product Information V I DIS Displays voltage current settings 4 TRIP DIS Displays OVT and OCT settings Remote Sensing Connector CLEAR Clears setting or resets fault ENTER Selects item 5 Input AC Connections 10 32 Threaded Cc Insert Qty 4 Meters display output voltage output current voltage set point current set point over 6 voltage trip and over current trip Front Panel Handles D 7 Power switch energizes control circuits Side Air Intake without engaging main power 6 E Output DC Connections Side View 0 250 Engages and disengages main power x 1 000 Tin Plated Copper Bus 3 8 16 Threaded Insert Qty 2 Stepless rotary knob to set voltage current G DIAGNOSTIC ALARMS LOC Interlock PGL External input voltage beyond limits PHL Indicates under voltage AC input THL Indicates over temperature condition OVT Over voltage protection has tripped OCT Over current protection has tripped H CONFIGURATION REM SEN Remote sense enabled INT CTL Front panel start stop clear enabled EXT CTL External start stop clear enabled ROTARY Front panel control EXT PGM External voltage current control REMOTE Computer control O o 19 Q SB 24 2 O co 3 5 a
10. NET PORT NET HOST NET DHCP IEEE 488 GPIB Communications GPIB VERS GPIB ADDR CLS ESR RST 53 Chapter 5 Computer Programming 5 1 3 Calibration Commands 5 1 3 1 CAL IDN Description This command updates the power supply s identification string for the power supply model The CAL IDN string can have up to 100 characters Before this command can be used a password must be validated by CAL PASS Typically this command is for Magna Power Electronics use only Command Syntax CALibrate IDN lt string gt Parameters Company Name Power Supply Model Serial Number Examples CAL IDN Magna Power Electronics Inc TSD16 900 S N 1161 5225 Query Syntax CAL IDN Returned Parameter lt string gt Related Commands IDN 5 1 3 2 CAL PASS Description This command protects against system calibration corruption and initiates the calibration sequence Command Syntax CAL PASS lt NR1 gt Examples CALIBRATE PASSWORD 1234 CAL PASS 1234 5 1 3 3 CAL POT Description This command sets the value for the specified potentiometer The variable specifies the potentiometer to be adjusted 1 thru 5 and the second variable specifies the potentiometer setting O through 255 Command Syntax CALibrate POT lt NR1 gt lt NR2 gt Examples CALIBRATE POT 1 123 CAL POT 5 11 54 Query Syntax CALibrate POT Returned Parameter lt NR1 gt
11. kW Models Only 240 Vac 10 operating range 216 264 Vac Frequency 50 Hz 400 Hz operating range 45 440 Hz Power Factor gt 92 at maximum power Table 1 3 XR Series III Output Specifications Output Specifications Ripple See Table 1 6 XR Series III Models Line Regulation Voltage Mode 0 004 of full scale Voltage Mode 0 02 of full scale Load Regulation Voltage Mode 0 01 of full scale Current Mode 0 04 of full scale Load Transient Response 2 ms to recover within 1 of regulated output with a 50 to 100 or 100 to 50 step load change Efficiency gt 86 at full load See Table 1 6 XR Series II Models Stability 0 10 for 8 hrs after 30 min warmup Isolation Use inputs and outputs referenced to earth ground Maximum input voltage to ground 2500 Vac Maximum output voltage to ground 1000 Vdc Maximum Slew Rate Standard Models 100 ms for output voltage change from O to 63 100 ms for output current change from 0 to 63 With High Slew Rate Option HS 4 ms for output voltage change from 0 to 63 8 ms for output current change from O to 63 Bandwidth Standard Models 3 Hz for remote analog voltage programming 2 Hz for remote analog current programming With High Slew Rate Option HS 60 Hz for remote analog voltage programming 45 Hz for remote analog current programming Table 1 4 XR Series III Control Specifications Control Specifications Vo
12. 1000 Vdc and below 1000 Vdc and below above 1000 Vdc with ISO option 1000 Vdc N A N A 1000 Vdc 2000 Vdc Vo 2 2000 Vdc Vo 2 1000 Vdc 2000 Vdc Vo 2 2000 Vdc Vo 2 1000 Vdc 4000 Vdc 4000 Vdc XR Series TS Series MS Series MT Series 1 6 2 High Slew Rate Output HS The high slew rate option solves several limitations inherent in switching power supply design Rapid voltage transitions require internal electronics to supply the energy to charge and discharge output capacitors Peak currents internal to the power supply define slew rate utilizing less capacitance enables voltage transitions in shorter time periods Additionally less capacitance reduces requirements for discharge demands during open circuit conditions The standard output stage Magna Power Electronics power supplies has been designed to provide the lowest possible output ripple voltage within the constraints of available components size and cost Part of the output stage consists of a bank of aluminum electrolytic capacitors which has the desired electrical properties to provide this function These components require bleed resistors to discharge any voltage when the power supply has no load and is disabled While the presence of these components and the resulting performance are normally industry accepted there are applications where lower output capacitance is extremely desirable and higher ripple voltage is acceptab
13. Bit Configuration of the Questionable Register An over current trip condition can be cleared with the OUTP PROT CLE command after the condition that caused the OCT trip is removed CURR PROT returns presently programmed OCT level CURR PROT MAX and CURR PROT MIN return the maximum and minimum programmable OCT levels Command Syntax SOURce CURRage PROTection LEVel lt NRf gt Examples CURR PROT MAX CURRENT PROTECTION LEVEL 145E 1 Query Syntax SOURce CURRent PROTection LEVel SOURce CURRent PROTection LEVel MIN SOURce CURRent PROTection LEVel MAX Returned Parameter lt NR2 gt Related Commands OUTP PROT CLE RST SAV RCL 5 1 8 5 PER Description This command is available on TS Series MS Series and MT Series programmable DC power supplies with the D Version front panel This command sets the period of time that the power supply will remain in the state during auto sequence operation The minimum unit for the period command is 10 msec and the maximum unit is 9997 sec There are 3 reserved numbers associated with this command namely 0 9998 and 9999 When a 0 is detected in auto sequence operation the power supply will stop as if a stop command condition see OUTP STOP occurred When a 9998 is detected the following memory location will be zero When 9999 is detected the power supply will operate at that memory state indefinitely or until stop see OUTP STOP is commanded
14. Inc The information and specifications given in this document are Flemington NJ 08822 USA subject to change without notice 2013 Magna Power Electronics Inc All Rights Reserved INFORMATION For further information on technology terms and conditions Visit us and product prices contact the nearest Magna Power Electronics www magna power com sales partner www magna power com contact
15. MEASURE CURRENT DC Returned Parameter lt NR2 gt 5 1 6 Modulation Commands The Modulation Subsystem available on XR Series models or models with the D Version front panel adjusts the output voltage or current according to the voltage measured on the external analog input pin 25 of JS1 named VMOD This signal has an allowed input range 0 10 V Modulation requires the power supply to be configured for remote mode Rotary control mode or external program control mode cannot be used with these commands Modulation allows a set point adjustment of voltage or current by another input The modulation signals can be derived from an external device such as a thermistor or from the sampling of the output current or voltage When used with software containing advanced numerical methods feeding the output voltage or current to adjust the set point current or voltage allows user defined output profiles The system incorporating this feature introduces another negative feedback path with gain controlled by a user programmed attenuator Modulation can be introduced into the control loop either adding a variable to the set point or by multiplying a variable with the set point Additive functions are useful for introducing series and parallel impedances and multiplier functions are useful for adjusting voltages or currents sources Table 5 3 Modulation Function Subsystem Parameters describes the four options control input 1 and 2 for volt
16. Table 2 3 Suggested Ampacities of Welding Cable Wire Size AWG Maximum Current A 6 85 4 110 3 130 2 150 1 170 1 0 200 2 0 235 3 0 275 4 0 315 y 315 Contact factory for assistance 2 4 1 Remote Voltage Sensing Remote sensing is used to improve the degradation of regulation which will occur at the load when the voltage drop in the connecting wires is appreciable Compensation is achieved by configuring the power supply for remote sensing as described in Figure 3 4 Enable or disable remote sense functionality Using a pair of 20 AWG wires connect terminal 2 of JS2 to the positive terminal of the load and connect terminal 1 of JS2 to the negative terminal of the load Table 2 4 Remote Sense JS2 Terminal Definition defines the remote sensing pins and Figure 2 1 a Local and b remote sensing illustrates standard output sensing and remote output sensing Table 2 4 Remote Sense JS2 Terminal Definition Pin Definition 1 VO1REM 17 Chapter 2 Installation Definition 2 VO1REM Caution Switching remote sense leads or disconnecting remote sense leads while the output is enabled can cause device failure Only switch or disconnect remote sense leads while the power supply is in standby or turned off Enabling remote sense activates the remote sense lead detector The remote sense lead detector checks that the remote sense leads have been connecte
17. The period s duration can be overridden by using the start command see OUTP START to advance the memory to the next state or the stop command see OUTP STOP to stop the power supply Command Syntax SOURce PERiod lt NRf gt Examples SOUR PER 200 SOURCE PERIOD 1345 SOUR PER MAX Query Syntax SOURCE PERiod SOURCE PERiod MIN SOURCE PERiod MAX 67 Chapter 5 Computer Programming Returned Parameter lt NR1 gt Related Commands RST OUTP START OUTP STOP OUTP ARM 5 1 8 6 REC MEM Description The recall command sets the current memory location of the power supply In remote mode 100 0 99 memory locations are available for programming In local mode the 10 0 9 memory locations are available for programming Command Syntax RECal1 MEMory lt NR1 gt Examples REC MEM 10 MEM 99 Query Syntax RECall MEMory Returned Parameter lt NR1 gt Related Commands RCL SAV 5 1 9 Status Commands 5 1 9 1 STAT OPER COND Description This query returns the value of the Operation Register which is a read only register that holds the real time unlatched condition of the operational status of the power supply The bit configuration of the Operation Register is shown in Table 5 5 Bit Configuration of the Operation Register Query Syntax STATus OPERation CONDition Examples STAT OPER COND STATUS OPERATION CONDITION Returned Parameter lt NR1 gt Regis
18. purchased with the standard XR Version front panel refer to Section 2 5 1 Electrical Check for Models with XR Version Front Panel For XR Series III purchased with the C Version front panel refer to Section 2 5 2 Electrical Check for Models with C Version Front Panel 18 Electrical Check for Models with XR Version Front Panel 2 5 1 Electrical Check for Models with XR Version Front Panel With the power supply off disconnect the load set voltage and current potentiometer controls fully counterclockwise and set the over voltage trip and over current trip settings to maximum Connect the power supply to a suitable source of AC voltage For this test only 50 of rated AC current is required Turn the power switch on and observe the indicator lights going through the startup routine After initialization the following indicator lights should be on STANDBY INT CTL EXT CTL and ROTARY This is the default configuration from the factory It is recommended that the following brief electrical check be made shortly after unpacking the supply Press the start switch and advance the current control one turn clockwise The power and voltage control indicators should light Increase the voltage set point to maximum and then to minimum DC voltage should increase smoothly from minimum to maximum to minimum as indicated on the meter Return the voltage control full counterclockwise Press the stop switch To check over voltage trip
19. 2 ANNO on O CURRENT A ono Oo oO OOo oO oo o oo NMOTNOORODADSO gt VOLTAGE VDC Figure 6 3 IV characteristics for a typical photovoltaic array 110 Table 6 3 Modulation Table for emulation of a Photovoltaic Array Control Type 0 Row VMOD Vdc WM Coxe AYA B Vo Vdc lo Adc 1 0 000 1 000 105 0 0 2 1 887 0 952 100 10 0 3 3 302 0 905 95 17 5 4 4 245 0 857 90 22 5 5 4 717 0 809 85 25 0 6 4 906 0 762 80 26 0 7 5 189 0 714 75 27 5 8 5 472 0 666 70 29 0 9 5 660 0 619 65 30 0 10 5 849 0 571 60 31 0 11 6 038 0 476 50 32 0 12 6 132 0 050 0 32 5 13 9999 0 000 Note Set the program voltage to 105 V 6 4 Battery Charger Figure 6 4 Battery Charger with Temperature Compensation illustrates a temperature compensated battery charger for applications with lead acid batteries Diode D1 placed between the power supply and battery blocks current from flowing from the battery to the power supply This eliminates any loading on the battery when the power supply is off but more importantly prevents the battery from charging the power supply s output capacitors With deployment of diode D1 remote sensing should 95 Chapter 6 Applications be applied across the battery terminals to compensate for the diode drop By setting the voltage and current to the bulk charge voltage and maximum charge current the power supply will initially charge the batteries in current mode control and
20. 3 12 External a resistive b voltage and c current programming illustrates the three alternative sources for programming the voltage set point Similar methods apply to programming set point current over voltage trip and over current trip P O JS1 P O JS1 P O JS1 REF 21 21 21 O O O VREF EXT VREF EXT VREF EXT mM mo 3 PNE 3 O gt VREF O gt VREF O gt VREF RP 5K JJ He L REF REF O Re REF T 10 00V T 10 00V T 10 00V REFGND h REFGND h REF GND 1 AN xs NI VP IP 0 10 0V 0 2 0mA REF GND REF GND REF GND a b c Figure 3 12 External a resistive b voltage and c current programming 31 Chapter 3 Operation Table 3 2 External Programming Parameters Term Parm Description Input Range V Output Range 3 VREF EXT Voltage Set 0 10 0 0 100 FS Voltage 22 IREF EXT 0 10 0 0 100 FS Current 4 TVREF EXT Over Voltage Tip Set 0 10 0 0 110 FS Voltage 23 TIREF EXT Over Current Trip Set 0 10 0 0 110 FS Current If the applied analog input voltage exceeds 12 50 V the PGL program line diagnostic LED alarm will light and the power supply will enter into standby mode 3 3 2 1 External Voltage Source Programming For programming using a voltage source an external 10 0 V voltage source is placed between VREF EXT Pin 3 and REF GND Pin 1 of JS1 to contro
21. 30__ VOLT CTL 7 GND OOO OOO DO DO OOO Oo Figure 3 15 Digital output contol lines Diagnostic functions include thermal overload interlock power standby phase loss program line over voltage and over current All diagnostic indicators have memory retention which saves the fault condition until the power supply is reset To clear a fault condition the user must press the clear key on the front panel with internal control or by applying 5 0 V to CLEAR Pin 18 of JS1 with external control enabled Alternatively the supply can be cleared by turning the power supply off and on Diagnostic functions and control modes are embedded in the product s closed loop control The power supply will operate using voltage control or current control depending on which setting is lowest Voltage control and current control also contain a soft start functionality which causes voltage and or current to ramp to the desired set point after power is initiated The soft start circuitry is reset upon power on or operation of any diagnostic function 3 4 Parallel and Series Operation 3 4 1 Parallel Operation Two or more XR Series III power supplies can be connected in parallel to obtain a total output current greater than that available from one power supply The total output current is the sum of the output currents of the individual power supplies Each power supply can be turned on or off separately 3 4 1 1 Parallel Opera
22. CUR DISPLAY STOP conF FLASHES IN VOLT DISPLAY VA SET STANDBY MODE ONLY EN CLEAR PS RETURNS TO NORMAL OPERATION TRIP SET CAL FLASHES IN VOLT DISPLAY ENTER 10 gt __ DISPLAY VO IN VOLT DISPLAY V ISET Pn SETTING INCREMENTS DISPLAY 1 IN MEMORY DISPLAY CLEAR ITEM DISPLAY P1 SETTING IN CUR DISPLAY H _TRIP SET Pn SETTING DECREMENTS i bisua IN MEMORY PLAY es POWER ITEM STANDBY LED OFF DISPLAY P2 SETTING IN CUR DISPLAY OUTPUT POWER ENABLED H DISPLAY IO IN CUR DISPLAY g DISPLAY 3 IN MEMORY DISPLAY f STOR NADO DISPLAY P3 SETTING IN VOLT DISPLAY OUTPUT POWER DISABLED H DISPLAY IO IN CUR DISPLAY DISPLAY 4 IN MEMORY DISPLAY ENTER Pr SETTING ENTERED NOTES DISPLAY P4 SETTING IN VOLT DISPLAY 1 Pn SETTINGS CAN BE 0 255 DISPLAY VO IN VOLT DISPLAY a CLEAR En nicer 2 ALL Pn SETTINGS ARE PRECEEDED WITH P AND ALTERNATE DISPLAY 5 IN MEMORY DISPLAY WITH POTENTIOMETER NUMBER FOR EXAMPLE POTENTIOMETER 3 DISPLAY P5 SETTING IN CUR DISPLAY SET TO 187 WILL DISPLAY P187 3187 3 ALL REVISION SETTINGS ARE PRECEDED WITH r EXAMPLE r100 DISPLAY FIRMWARE REVISION SEFTINGIN VOLT DISPLAY 4 RETURNS TO NORMAL AFTER 60 SECONDS OF INACTIVITY 5 ENTER 10 ENTER PRESSED FOR 10 SECONDS DEFAULT ENTER SETS POTENTIOMETERS TO FACTORY DEFAULT DISPLAY dEF IN VOLT DI
23. Function only available on the D Version front panel for TS Series MS Series and MT Series products INTERLOCK SET Pin 37 5 Vdc input for interlock signal If the power supply output is enabled and the 5 Vdc signal is removed the power supply will enter into LOC fault condition and the AC contactors will disengage The fault will need to be cleared before re enabling the output Interlock must be enabled to use this functionality Digital Monitoring Output The digital output pins are indicated by 5 Vdc signal for high active and a O Vdc signal for low inactive Faults are cleared via CLEAR Pin 18 The digital programming pins operate with a5 mA drive capacity per line POWER Pin 8 Indication that the power supply output is enabled THERMAL Pin 9 Indication that the input power processing devices or output rectifiers have reached a critical temperature A resetting thermal breaker will reset upon cooling INTERLOCK Pin 10 Indication that the power supply reached a interlock fault condition This pin will stay active until 5 0 V is restored to INTERLOCK SET Pin 37 and the fault is cleared To restart the supply after the fault has been cleared simply press the start switch CUR CTL Pin 11 Indication that the power supply is operating in current mode control STANDBY ALM Pin 12 Indication that the power supply is in standby or alarm condition In both states the output is disengaged ALM Pin 13 Indica
24. ON REMOTE SENSE 0 Query Syntax CONFigure REMote SENSe Returned Parameter O 1 57 Chapter 5 Computer Programming 5 1 4 4 INTE Description This command enables or disables the external interlock feature Interlock described in Section 3 3 4 Digital Input Lines is used for applications where the power supply needs to be disabled under external conditions The query command INTE returns the status of external interlock Command Syntax CONFigure INTErlock Parameters 0 OFF 1 ON Examples CONF INTE ON INTE 0 Query Syntax CONFigure INTErlock Returned Parameter O 1 5 1 4 5 CONF SETPT Description This command sets the operational mode of the power supply ROTARY KEYPAD EXT PGM or REMOTE Keypad configuration is available for TS Series MS Series and MT Series supplies with the D Version front panel The query command CONF SETPT returns the operation mode of the power supply Command Syntax CONFigure SETPT lt NR1 gt Parameters 0 ROTARY 1 KEYPAD 2 EXT PGM 3 REMOTE Examples CONF SETPT 0 SETPT 0 Query Syntax CONFigure SETPT Returned Parameter lt NR1 gt 58 Measure Commands 5 1 5 Measure Commands 5 1 5 1 MEAS VOLT Query Syntax MEASure VOLTage DC Examples MEAS VOLT MEASURE VOLTAGE DC Returned Parameter lt NR2 gt 5 1 5 2 MEAS CURR Query Syntax MEASure CURRent DC Examples MEAS CURR
25. RS485 Address and port 1 30 e IEEE 488 Address 1 30 Ethernet Address and port Figure 4 2 LXI Communications Setup illustrates the communications setup for LXI TCP IP Ethernet communications The address specifies the desired device on the network to establish communications To locate a particular device or to set a new address press Find Device or Change Device s setting respectively The Find Devices panel displays all devices on the bus that are available for communications as shown in Figure 4 3 Find LXI TCP IP Ethernet device The Change Device s Setting allows the address of the particular device to be changed When changing a device s address the address in the Communication Setup will also change allowing continued communications Similar panels are displayed for IEEE 488 GPIB RS232 and RS485 communications 43 Chapter 4 Remote Interface Software i o System System Type lo Panel y Type of Communications R5232 Configure Start Up Mode Start Up Panel virtual Control Panel al OK Cancel Figure 4 1 RIS Panel Configuration Setup Comm Port 7 m TCP IP Setup Address 192 168 1 241 Port 50505 v l Change Device s Settings OK Cancel Figure 4 2 LXI Communications Setup IP Address Porto MAC Address 192 168 1 241 00 1E 6F 00 00 00 Refresh OK Cancel Figure 4 3 Find LXI TCP IP E
26. SET TO ROTARY EXT PGM AND REMOTE LED S OFF ROTARY LED ON PS RETURNS TO NORMAL OPERATION ITEM i CLEAR PS RETURNS TO NORMAL OPERATION ROTARY LED FLASHES Je ENTER VOLT AND CUR CTL SET TO EXTERNAL PROGRAM f EXT PGM LED FLASHES REMOTE LED FLASHES INTERLOCK LED FLASHES Figure 3 8 Enable or disable external program input mode OVT AND OCT CTL SET TO EXTERNAL PROGRAM ROTARY AND REMOTE LED S OFF EXT PGM LED ON PS RETURNS TO NORMAL OPERATION 25 Chapter 3 Operation MENU _ OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES OCT DISPLAYED IN CUR DISPLAY n CLEAR PS RETURNS TO NORMAL OPERATION STOP conF FLASHES IN VOLT DISPLAY ENTER 1 gt _ REM SEN LED FLASHES V I SET STANDBY MODE ONLY INT CTL LED FLASHES TRIP SET CAL FLASHES IN VOLT DISPLAY EXT CTLLED FLASHES CLEAR ITEM ITEM ROTARY LED FLASHES i EXT PGM LED FLASHES CLEAR PS RETURNS TO NORMAL OPERATION f REMOTE LED FLASHES a ENTER VOLT AND CUR CTL SET TO RS232 OVT AND OCT CTL SET TO RS232 INTERLOCK LED FLASHES ROTARY AND EXT PGM LED S OFF REMOTE LED ON PS RETURNS TO NORMAL OPERATION Figure 3 9 Enable or disable computer input mode MENU OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY
27. all Magna Power Electronics products To receive vi Document Conventions an additional digital copy of the product s Declaration of Conformity email your product s serial number to support magna power com 4 Document Conventions This user s manual uses several conventions to highlight certain words and phrases and draw attention to specific pieces of information In PDF and paper editions this manual uses typefaces drawn from the Liberation Fonts set The Liberation Fonts set is also used in HTML editions if the set is installed on your system If not alternative but equivalent typefaces are displayed 4 1 Notes and Warnings Notes are tips shortcuts or alternative approaches to the task at hand Ignoring a note should have no negative consequences but you might miss out on a time saving procedure 4 1 1 Safety Symbols Table 1 Safety Symbols defines the IEC symbols used throughout this Users Manual for the XR Series III Table 1 Safety Symbols Symbol Definition Earth ground protective conductor terminal Caution risk of electric shock Caution risk of danger gt gt O Three phase alternating current 4 2 Text Conventions Source code listings are also set in mono spaced roman but add syntax highlighting as follows package org jboss book jca ex1 1 https fedorahosted org liberation fonts vii Preface import javax naming InitialContext public clas
28. charge voltage Vfc Float charge voltage Imbc Maximum bulk charge current 25 of AH capacity maximum Imec Maximum equalization charge current 10 of AH capacity maximum Table 6 5 Battery Charging per Cell Charging Voltage Range Float Vfc Vdc Battery Type Bulk Vbc Vdc Equalize Vec Vdc Wet Standard Sb Sb 2 417 2 467 2 567 2 667 2 167 2 200 Deep Cycle Wet Low Maintenance 2 400 2 433 2 517 2 733 2 183 2 200 Sb Ca Wet Maintenance Free Ca Ca VRLA AGM 2 400 2 467 NA 2 200 2 300 VRLA Gel Cell 2 350 2 400 NA 2 200 2 300 Notes Ca Calcium Sb Antimony VRLA Valve regulated lead acid AGM Sealed absorbed Glass Mat also known as started electrolyte 2 467 2 583 2 717 2 183 2 233 Table 6 6 Battery Charging Temperature Compensation per Cell Electrolyte Temperature F Electrolyte Temperature C Deviation in Charge voltage Vdc l Range 0 17 8 224 264 10 12 2 196 231 20 6 7 168 198 30 1 1 140 165 40 4 4 112 132 50 10 0 084 099 60 15 6 056 066 70 21 1 028 033 80 26 7 0 000 90 32 2 028 033 100 37 8 056 066 110 43 3 084 099 Deviation is 2 80 to 3 30 mV Ficell 97 Chapter 6 Applications Electrolyte Temperature F 120 48 9 Electrolyte Temperature C Deviat
29. network failure to renew an already acquired DHCP lease or the LAN cable is disconnected The LAN Reset button provides a way to reset the LAN configuration password and to set the device back to DHCP Auto IP mode To activate the LAN Reset function ensure the power supply is on and in standby mode Hold down the LAN Reset button for approximately 4 seconds Observe that the LAN LED rapidly flashes and after 4 seconds release the LAN Reset button The LAN configuration password will be reset to blank and the module will be set to DHCP Auto IP enabled The MAC address consists of two number groups in format 4 44 44 For Magna Power Electronics products the first three bytes are always 01 1E 6F The second three bytes are determined by the the LXI TCP IP Ethernet interface s serial number converted to hex This serial number can be queried from the power supply using the SCPI command SYSTem COMMunicate NETwork SERial The LXI TCP IP Ethernet module supports the VXI 11 discovery protocol allowing the device to be discovered on the network by software such as National Instruments Measurement and Automation Explorer Agilent Connection Expert or the Remote Interface Software supplied with the power supply 81 Chapter 5 Computer Programming 5 4 2 LXI TCP IP Ethernet Control and Discovery Methods The Ethernet module supports the VXI 11 discovery protocol allowing the device to be discovered on the network by software suc
30. optional Brackets plus their contents can be omitted when the command is issued Angle Brackets lt gt Items within the angle brackets indicating a specific data type provide parameter descriptions See Section 5 1 1 Parameter Data Types for more information 5 1 1 Parameter Data Types Table 5 1 SCPI Parameter Data Types Data Type Example s Null no data lt NR1 gt Digits with an implied decimal point assumed at the right of the 326 least significant digit 32 6 3 26 Digits with an explicit decimal point lt NR3 gt Digits with an explicit decimal point and an exponent 3 26E 2 326 0E 2 Extended format that includes lt NR1 gt lt NR2 gt and lt NR3 gt 326 0 3 26E2 51 Chapter 5 Computer Programming Data Type Example s Expanded decimal format that includes lt NRf gt MIN and MAX 326 where MIN and MAX are the minimim and maximum limit values 326 0 in the range specification for the parameter 3 26E2 lt NRf gt 1 ON lt string gt String program data enclosed in either single or double quotes Magna Power Electronics lt bool gt Boolean data can be numeric 0 1 or name OFF ON 5 1 2 Restricted SCPI Command Set Commands and queries described in Section 5 1 SCPI Commands require the power supply to be configured for REMOTE operation There are instances however
31. point over voltage trip over current trip and period The period parameter specifies the time period for operating at the memory location when auto sequence operation is deployed When enabled the ARM light lights on the front panel To initiate a program sequence select the starting memory location execute this command and issue an OUPT START See OUTP START or use the front panel start switch The ARM light will blink after the start command If this process reaches the upper memory limit memory location 99 the following memory location will revert back to O and continue Auto sequence operation will continue until an OUTP STOP is commanded or a memory location with period set to O is encountered ARM returns the arm state of the power supply unit Command Syntax OUTP ARM lt bool gt Parameters 0 OFF 1 ON Examples OUTP ARM OFF OUTP ARM 1 Query Syntax OUTP ARM Returned Parameter O 1 Related Commands RST OUTP START OUTP STOP 5 1 7 3 OUTP START Description This command closes the power supply s input contactor and initiates either normal or auto sequence mode Auto sequence mode will be initiated if the ARM option is enabled Normal mode energizes the power supply with the current parameters for voltage set point current set point over voltage trip and over current trip Auto sequence mode will sequentially step through memory locations until the stop is commanded OUTP STOP or a terminating
32. power supply If the interlock connection is broken then the LOC interlock fault LED lights the power supply s internal AC contactor opens and the unit stops processing power As illustrated digital control lines may be paralleled with other supplies to allow simultaneous control Before the power supply will accept a reference voltage at INTERLOCK SET Pin 37 interlock functionality must be enabled either from the front panel or from software Refer to Figure 3 10 Enable or disable external interlock functionality for programming from the front panel 3 3 5 Digital Output Lines All digital output lines are connected to the 37 pin JS1 connector located on the rear panel Functionally the digital output lines provide the means to monitor diagnostic functions as functional status Figure 3 15 Digital output contol lines provides terminal identification for the various digital output lines Each output monitoring line can drive a 5 0 V 5 0 mA load An alarm condition will produce a 5 0 V output at the respective terminal For a full explanation of all the available digital output lines refer to Section 3 3 1 External 37 pin I O Pin Definitions 34 Parallel and Series Operation P O JS1 13 ALM 12 STANDBY ALM 32 OCT 14 EXTCTL 33 INT CTL 34 OvT 8__ POWER 27 PEL 9 THL 28 STANDBY 10 Loc 29 PHL 11 CURCTL srl MONITORING LINES
33. press the menu key This places the power supply in data entry mode to set over voltage trip Using the up down arrow keys enter an over voltage trip set point at half the rating of the power supply Once the over voltage trip set point has been entered press the enter key to save the information Press the start switch and slowly increase the voltage set point Over voltage trip should operate at the over voltage trip set point The over voltage trip OVT indicator should turn on the power and voltage control indicators should turn off and the supply should shut down Press the clear key Now set the over voltage trip set point to maximum which is 110 the full scale rating of the power supply Again start the supply and observe that the power supply operates normally With the main power disconnected connect a short to the power output terminals on the rear panel Reconnect the main power set voltage and current controls full counterclockwise and turn the power switch on Press the start switch and advance the voltage control one turn clockwise Increase the current set point to maximum and then to minimum The power and current control indicators should light DC current should increase smoothly from minimum to maximum to minimum as indicated on the meter Return the current control full counterclockwise Press the stop switch To check over current trip press the menu key and the item key one time This places the power supply in data en
34. set points and current set points are set by the front panel potentiometers By selecting external program all reference inputs are set with the analog inputs at terminals 3 22 4 and 23 of connector JS1 See Section 3 3 External 37 pin JS1 I O Programming and Operation for connecting external reference inputs By selecting REMOTE all reference inputs are set over the RS232 optional IEEE 488 GPIB or LXI TCP IP Ethernet 24 MENU START _ OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY STOP V I SET OCT LED FLASHES OCT DISPLAYED IN CUR DISPLAY conF FLASHES IN VOLT DISPLAY STANDBY MODE ONLY CAL FLASHES IN VOLT DISPLAY TRIP SET CLEAR ITEM i CLEAR PS RETURNS TO NORMAL OPERATION gt ENTER gt REM SEN LED FLASHES a a ENTER INT CTL LED FLASHES EXT CTL LED FLASHES BS CLEAR ITEM ROTARY LED FLASHES f EXT PGM LED FLASHES REMOTE LED FLASHES INTERLOCK LED FLASHES Figure 3 4 Enable or disable remote sense functionality MENU START t _ OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY OCT LED FLASHES STOP V I SET OCT DISPLAYED IN CUR DISPLAY conF FLASHES IN VOLT DISPLAY STANDBY MODE ONLY TRIP SET CLEAR NOTES CAL FLASHES IN VOLT DISPLAY ITEM
35. supplies have three levels of over voltage current protection shutdown of controlling insulated gate bipolar transistors IGBTs disconnect of main power and input fuses After an over voltage current trip condition the supply must be reset using the Clear functionality XR Series III power supplies have push button start stop controls These controls are tied to a mechanical contactor which operates with the electronic switches to break the AC mains when stop is commanded Off means both an electrical and mechanical break in the power circuit not just a break in an electronic switch Safety comes first at Magna Power Electronics XR Series III power supplies are available with two alternative front panels XR Version for analog digital control and C Version for computer or programmable logic control All XR Series III power supplies employ the same power processing engine XR Series III models utilizing the XR Version front panel provide stepless analog control from front panel potentiometers With simple configuration changes voltage current over voltage trip and over current trip may be programmed from the 37 pin isolated I O RS232 IEEE 488 GPIB GPIB LXI Chapter 1 Product Information TCP IP Ethernet LXI Edgeport USB USB XR Series III power supplies with XR Version front panels are well suited for industrial and laboratory applications XR Series III power supplies with the XR Version front panels offer an analog inp
36. supply The output of the main power transformer is converted to DC via rectifiers Low voltage versions of the XR Series Ill power supply use midpoint diode configurations and higher voltage versions use bridge configurations The DC output voltage is filtered with a pie section filter This in combination with the DC link inductors form a double stage inductive capacitive LC filter The gate driver board supports a synchronized modulation scheme which integrates power semiconductor switching of the switching power supply polyphase chopper and IGBT inverter The phase detector senses input line voltage on each phase Upon detection of a problem the control board is signaled to shutdown the system The control board which is referenced to earth ground contains optically isolated amplifiers to sense output voltage and current This circuitry allows the output to be referenced 1000 Vdc above earth ground The display board contains light emitting diodes for displaying diagnostic conditions and provides an interface for meters and switches DISPLAY BOARD PIE FILTER INTERFACE gt ASSY FUSES EMI FILTER CONTACTOR 3 PHASE POLYPHASE DC LINK RECTIFIER CHOPPER INDUCTORS CURRENT FED INVERTER 3 PHASE 208 380 480 V DC VOLTAGE 44 INRUSH AUXILIARY a GATE DRIVER LIMITER POWER SUPPLY BOARD CONTROL BOARD Figure 1 1 XR Series III functional blo
37. supply must be configured for external program EXT PGM input The master unit can configured for rotary external program or remote input Configuration commands are discussed in Section 3 2 3 Configuration Commands To add a second slave unit connect the output terminals of the second slave in parallel with the other two power supplies Furthermore connect a second control cable between the second slave unit and the master unit 36 Series Operation CURRENT MODE CONTROL VO t P O JS1 OP so LOAD U VO O 2 440 REF O 4 TVREF EXT CH TREF Ext CH3 vrer ext O 22 REF EXT CH REF GND OH start 1 O 2 _ stop ny 931 O CONTROL SLAVE P O JS1 ny 31 O CONTROL VO Q gt is an 5 O vo2 vO 12 O STANDBY ALM C4 2 Power CH 102 O 2 REF GND TO SECOND MASTER SLAVE Figure 3 16 Master Slave parallel connection 3 4 2 Series Operation Two or more power supplies can be connected in series to obtain a total output voltage greater than that available from one power supply The total output voltage is the sum of the output voltage of the individual power supplies Each power supply can be turned on or off separately Caution No plus or minus voltage should exceed 1000 Vdc with respect to ground 3 4 2 1 Series Opeation Direct The simplest series connection involves attaching t
38. the STB the ESR is masked by the Event Status Enable Register ESE to allow the user to mask specific or all events from setting the ESB to 1 The Message Available MAV bit is set to 1 when a message is available in the output buffer 5 3 1 IEEE 488 GPIB Communication using the Remote Interface Software Chapter 4 Remote Interface Software describes application of the Remote Interface Software which is shipped with XR Series III power supplies This software provides the user with a quick method to operate a Magna Power Electronics power supply under computer control The software can be configured for a number of communication interfaces IEEE 488 GPIB is included as one of these interfaces To use the Remote Interface Software with optional IEEE 488 GPIB communications the address 1 to 30 defined in the Remote Interface Software and the address encoded in the power supply must match Address 0 is assigned to the GPIB master The default programmable DC power supply address is 1 but if the address is unknown press Find Device in the Communication Setup menu The routine scans all the devices on the bus providing their addresses and identifications Select the desired device and press OK this automatically changes the address in the Communication Setup The same result can be achieved with a double click on the desired device After communications is established the address of the device may be changed by pressing Change Device s Set
39. the Status frame will initially display Erasing and the Current Address frame will display the address in memory being erased After the entire memory is erased the Status frame will display Loading and the Current Address frame will display the address in memory being loaded The Status frame will display Finished and the front panel display will return to normal after the memory is reprogrammed Pressing the stop button will terminate execution at any time 48 Modulation Panel a Firmware Panel paa Exa File View Communication About Choose new firmware file Select Programming Current Start Stop Status A A Figure 4 8 Firmware Panel 4 7 Modulation Panel The Modulation Panel is illustrated in Figure 4 9 Modulation Panel The Modulation Panel enables a user to set and view the modulation settings as described in Section 5 1 6 Modulation Commands The modulation settings consist of control input modulation type multiplication or addition table row modulation voltage input and modulation factor The Modulation Panel provides the form to program a linear or piece wise linear lookup table for the selected modulation type The lookup table can have a maximum of 50 data points The modulation voltage input VMOD must be entered in ascending order For lookup tables with less than 50 data points VMOD must be terminated with a Mod value of 9999 Any data entered for modulation facto
40. the low level bus protocols simplifying automation development It supports TCP IP GPIB and RS232 using standard VISA resource descriptors For additional documentation and details on using the IVI COM driver see Section 5 7 IVI COM Driver 5 4 1 Connectivity and IP Address Negotiation When the LXI TCP IP Ethernet module is configured for DHCP but the DHCP server cannot be located the module falls back to an Auto IP configuration The device then automatically selects an IP address from 169 254 subnet as described in RFC 3927 Request for Comments 3927 Dynamic Configuration of IPv4 Link Local Addresses This routine is the same as that used with operating systems such as Microsoft Windows This allows the user to use the LXI TCP IP Ethernet interface in the absence of a DHCP server The LAN status LED located at the rear of the power supply provides LAN fault and device identification as defined as follows On Normal Operation The device has a properly configured IP address and the network cable is connected Flashing Device Identify The LXI Device Identification function was enabled via the Instrument Identification web page This identification can help the user to quickly locate the unit and distinguish it from similar devices Off LAN Fault The device is experiencing one or more of the following LAN fault conditions failure to acquire a valid IP address detection of a duplicate IP address on the
41. the output voltage will be displayed in the voltage display the potentiometer setting O to 255 will be displayed in the right three digits of the current display and P and 1 will alternately flash in the left digit of the current display Potentiometer 1 adjusts the gain of the voltage feedback amplifier potentiometer 2 adjusts the input offset voltage of the voltage feedback amplifier potentiometer 3 adjusts the gain of the current feedback amplifier potentiometer 4 adjusts the input offset voltage of the current feedback amplifier and potentiometer 5 adjusts the gain of the reference which is used for the digital to analog and analog to digital converters Pressing the item key advances control to potentiometer 2 The left digit of the current display will alternately flash P and 2 the output voltage will be displayed in the voltage display and the potentiometer setting O to 255 will be displayed in the right three digits of the current display Pressing the item key again will advance the control to potentiometer 3 Now the output current will be displayed in the current display the potentiometer setting O to 255 will be displayed in the right three digits of the voltage display and the left digit of the voltage display will alternately flash P and 3 26 External 37 pin JS1 I O Programming and Operation MENU t gt OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES OCT DISPLAYED IN
42. web interface A I MAGNA POWER v7 M ELECTRONICS INFORMATION MAA tt ee ha SS gt gt S gt SSSj F EE_ _ INSTRUMENT INFORMATION LKI IDENTIFY Disable Identify Instrument Model TSA125 120 Manufacturer Magna Power Electronics Inc Serial Number 00000000 Description MPE Power Supply LXI Class Class C LXI Version T2 Hostname 192 168 1 241 MAC Address 00 1E 6F 00 00 00 TCP IP Address 192 168 1 241 Firmware Revision Firmware Rev 7 3 Hardware Rey 3 0 Instrument Address String TCPIP 192 168 1 241 50505 SOCKET SCPI TCP Port 50505 Netbios Name MPEDOO0D000 Ethernet Module Revision Firmware Rev 2 1 Hardware Rev 2 0 LXI Figure 5 1 Web interface information panel 83 Chapter 5 Computer Programming A I MAGNA POWER 7 M ELECTRONICS E CONFIGURE Bis itt A da A AE II ETHERNET CONFIGURATION This page allows the configuration of the power supply s network settings CAUTION Incorrect settings may cause the module to lose network connectivity Recovery options will be provided on the next page Enter the new settings for the module below Hostname MPED0000000 Description MPE Power Supply Y Enable DHCP and Auto IP IP Address 192 168 1 241 Gateway 192 168 1 1 Subnet Mask 255 255 255 0 Primary DNS 68 87 64 146 Secondary DNS 68 687 75 194 Config Password Confirm Config Password
43. when the power supply may be configured for ROTARY or EXT PGM and use of certain SCPI command from a computer interface features may be desirable As defined in Table 5 2 Restricted SCPI command set available while in ROTARY or EXT PGM configuration a reduced set of commands and queries are available during these modes of operation enabling allowing for computer communications at all times Table 5 2 Restricted SCPI command set available while in ROTARY or EXT PGM configuration XR Panel XRC Panel Command Type Command Query Example Command Query Command Query CAL IDN CAL PASS CAL POT CAL SCAL VOLT CAL SCAL CURR Calibration CAL SCAL INP CAL DEF CAL STOP CONT INT CONT EXT Configuration REM SENS INTE CONF SETPT MEAS VOLT Measure MEAS CURR MOD TYPE SEL f MOD TABL Modulation MOD SAVE MOD TABL LOAD OUTP OUTP ARM OUTP START 52 Command Type Source Status System Command Query Example OUTP STOP XR Panel Command Restricted SCPI Command Set Query Command XRC Panel Query OUTP PROT CLE VOLT AND VOLT TRIG VOLT PROT CURR AND CURR TRIG CURR PROT STAT OPER COND STAT QUES COND SYST VERS SYST ERR Trigger TRIG INIT ABORt LXI Ethernet TCP IP Communications NET VERS NET MAC NET SER NET ADDR NET GATE NET SUBN
44. 1 10 System Commands 5 1 10 1 SYST VERS Description The SYST VERS query returns the firmware and hardware version of the power supply The returned value has the form Firmware Rev X X Hardware Rev X X Query Syntax SYSTem VERSion Examples SYST VERS SYSTEM VERSION Returned Parameter lt Firmware Rev XX Y Hardware Rev XX Y gt 5 1 10 2 SYST ERR Description The SYST ERR query returns the error messages that have occurred in the system The format of the return string is an error number followed by corresponding error message string The errors are stored in a FIFO first in first out buffer As the errors are read they are removed from the queue When all errors have been read the query returns 0 NO ERROR If more errors have accumulated than the queue can hold the last error in the queue will be 350 Queue Overflow When system errors occur the Standard Event Status Register ESR records the error groups as defined in Table 5 7 Standard Event Status Register Error Bits Table 5 8 Error Messages lists system errors that are associated with SCPI syntax errors and with interface problems Table 5 7 Standard Event Status Register Error Bits Bit Error Code Error Type 300 through 399 Device dependent 400 through 499 Table 5 8 Error Messages Error String 100 Command error Query Error Description Generic command error Syntax error
45. 108 Parameter not allowed Data out of range Unrecognized command or data type Too many parameters E g outside the range of this device 350 Queue overflow 400 Query error Errors lost due to too many errors in queue Generic query error Query Syntax SYSTem ERRor 70 Trigger Commands Examples SYST ERR SYSTEM ERROR Returned Parameter lt error number gt lt error string gt 5 1 11 Trigger Commands 5 1 11 1 TRIG Description This command controls remote triggering of the power supply When the trigger subsystem is enabled a TRIG command generates a trigger signal The trigger signal will then initiate a pending level change as specified by CURR LEV TRIG or VOLT LEV TRIG Afterwards the Operation Register will be cleared If INIT CONT is on the trigger subsystem is immediately re enabled for subsequent triggers As soon as it is cleared the WTG bit is again set to 1 Command Syntax TRIGger IMMediate Examples TRIG TRIGGER IMMEDIATE Related Commands ABOR CURR TRIG INIT TRG VOLT TRIG 5 1 11 2 INIT Description This command enables the trigger system When the initiate command is enabled a TRIG command allows specified triggering action to occur If the initiate subsystem is not enabled all trigger commands are ignored If INIT CONT is OFF then INIT enables the trigger subsystem only for a single trigger action INIT mus
46. 8 Ps 13 o 1 6 4 8 O O O i a b c d e Figure 1 7 XR Series IIl communication connections a JS1 external program interface b JS2 remote sense c JS3 RS232 d JS4 IEEE 488 GPIB and e JS5 LXI TCP IP Ethernet viewed from female end 8 Product Options 1 6 Product Options This sections provides details on all the available options for all Magna Power Electronics Programmable DC Power Supply products Note that not all options may be available for the XR Series Ill 1 6 1 High Isolation Output ISO Certain applications require floating the output voltage to values beyond the power supply isolation rating Magna Power Electronics High Isolation Output Option ISO enables any TS Series MS Series or MT Series model with a peak output voltage rating of 250 Vdc through 1000 Vdc to be rated for a higher voltage output isolation Improved isolation is achieved by a novel output stage with improved controller isolation In addition to being able to float the power supply to a higher output voltage this option also enables lower voltage units to be tied together in series up to the higher isolation rating Table 1 7 ISO Option Isolation Specifications provides the output isolation rating for all available configurations where Vo is the unit s rated maximum output voltage Table 1 7 ISO Option Isolation Specifications Product Isolation models Isolation models Isolation models
47. Adc i Efficiency Maximum Vdc 64 5 86 10 86 16 86 20 86 32 86 40 87 50 87 80 87 87 87 87 87 88 88 88 88 88 88 1000 2 0 4 0 6 0 Maximum Input Current Aac 208 240 Vac 30 15 22 29 208 240 Vac 19 IA N A N A 380 415 Vac 3d 9 13 17 440 480 Vac 3d 8 11 15 1 5 Diagrams and Indicators This section provides diagrams detailing the XR Series III front panel layout and physical dimensions The definitions for the digram references are detailed in after the diagrams a nt E MENU VIIDIS CLEAR aS E ITEM TRIP DIS ENTER START STOP Y MODE PWR VOLTAGE Figure 1 3 XR Version front panel layout D PWR Figure 1 4 XRC Version front panel layout Diagrams and Indicators DC VOLTAGE DC CURRENT CONFIGURATION o IMASNA POWER ELECTRONICS CURRENT i MAGNA POWER ELECTRONICS 0 234 JS3 L JS2 1 2 b db O 3 469 to 328 19 a Figure 1 5 XR Series III rear panel layout and dimensions 1 250 1 24 000 0 875 1 875 Figure 1 6 XR Series III side panel layout and dimensions Front Panel Definitions A MODE POWER Indicates power output STANDBY Indicates control power only B FUNCTION KEYS
48. EEE 488 GPIB SCPI Commands and Registers 5 3 3 1 GPIB VERS Description This query is available only for units with the IEEE 488 GPIB GPIB option installed This query reads the firmware version of the GPIB communication module Query Syntax SYSTem COMMunicate GPIB VERSion Examples SYST COMM GPIB VERS GPIB VERS Returned Parameter lt Firmware Ver XX Y gt 5 3 3 2 GPIB ADDR Description This command is available only for units with the IEEE 488 GPIB GPIB option installed This command sets the address of the GPIB module of the power supply The address can be 1 to 30 where address 0 is normally assigned to the GPIB Master The factory default address is 1 Command Syntax SYSTem COMMunicate GPIB ADDRess lt NR1 gt Parameters 1 30 Examples SYST COMM GPIB ADDR 27 GPIB ADDR 27 Query Syntax SYSTem COMMunicate GPIB ADDR Returned Parameter lt NR1 gt 75 Chapter 5 Computer Programming 5 3 3 3 Clear Description This command clears all status register ESR STB and error queue Command Syntax CLS lt gt Related Commands RST 5 3 3 4 Read Event Status Register Description This query reads the Event Status Register ESR After reading the ESR the register is cleared The bit configuration of the ESR is the same as the Event Status Enable Register ESE The return parameter is weighted as shown in Table 5 12 Event Status Register The Power O
49. ES IN VOLT DISPLAY PS RETURNS TO NORMAL OPERATION MAISET STANDS MODE ONDA CLEAR OVT SET POINT RETURNS TO PREVIOUS SETTING TRIP SET CAL FLASHES IN VOLT DISPLAY PS RETURNS TO NORMAL OPERATION TEM CLEARS OVT AND OCT LEDS FLASH CLEAR FLASHING ENTRIES SET TO FACTORY DEFAULT f PS RETURNS TO NORMAL OPERATION NOTES 1 CLEAR 5 CLEAR PRESSED FOR 5 SECONDS 2 ENTRIES LIMITED BETWEEN 10 AND 100 FULL SCALE Figure 3 2 Set over voltage trip 23 Chapter 3 Operation MENU gt OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES _ 4 OCT DISPLAY INCREMENTS STOP OCT DISPLAYED IN CUR DISPLAY 7 conF FLASHES IN VOLT DISPLAY V I SET STANDBY MODE ONLY OCT DISPLAY DECREMENTS i ENTER OCT DISPLAY ENTERED AS OCT SET POINT CAL FLASHES IN VOLT DISPLAY PS RETURNS TO NORMAL OPERATION TRIP SET CLEAR OCT SET POINT RETURNS TO PREVIOUS SETTING PS RETURNS TO NORMAL OPERATION CLEAR LTEM CLEAR 5 OVT AND OCT LEDS FLASH FLASHING ENTRIES SET TO FACTORY DEFAULT PS RETURNS TO NORMAL OPERATION Da i NOTES 1 CLEAR 5 CLEAR PRESSED FOR 5 SECONDS 2 ENTRIES LIMITED BETWEEN 10 AND 100 FULL SCALE Figure 3 3 Set over current trip 3 2 3 Configuration Commands To enter the configuration commands first press the MENU key The over vol
50. EV IMM VOLT PROT LEV CURR PROT LEV PER The RCL command forces an ABORt command before resetting any parameters ABOR cancels any trigger actions presently in progress and sets INIT CONT to OFF At power turn on recall is commanded at the memory location prior to turn off state Command Syntax RCL lt NR1 gt Parameters 0 99 Example RCL 1 Related Commands RST SAV 79 Chapter 5 Computer Programming 5 3 3 11 Reset Description This command resets the power supply to factory default states as defined below OUTP STAT OFF CURR LEV IMM 0 CURR LEV TRIG 0 VOLT LEV IMM 0 VOLT LEV TRIG 0 PER 0 INIT CONT OFF VOLT PROT LEV 110 of MAX CURR PROT LEV 110 of MAX RST also forces an ABORt command Command Syntax RST lt gt 5 4 LXI TCP IP Ethernet Communications XR Series III power supplies are available with an optional LXI TCP IP Ethernet interface The optional LXI TCP IP Ethernet interface meets the LXI Class C Revision 1 2 standard When specified at time of order an Ethernet interface module is installed to make a second UART port available for communications With two UART ports available RS232 and Ethernet the one first receiving communications after power on is the port that is activated Once activated the other UART port cannot be recognized unless there has been a period of inactivity for 5 minutes After this period a new UART port can be recognized b
51. Ethernet Vers _ Remsen 7 S ak 7 Jj anit I meik f Legend 1 True El El Setpoint 0 False Abort RST Oper Cond CLS Ques Cond E Command Panel Mo File View Communication About Output Get Set Command Data Get Set Command Data LJ E Voltage El Ej Arm __ Current Re _ Voltage Prot _ sav dl OI Current Prot Set Command Command 4 _ Vottagetrig 7 _ Start Meas Volt _ Current Trig _ Stop Meas Curr EI El Period Ej Clear Syst Err Ej Oj Mem m Init Imm Syst Vers _ _J init cont Trigger GPIB Vers Cy El El PET ESN BET sl ea 1 et tera Outp State DN Clear Save to File Figure 4 5 Command Panel 4 4 Register Panel The Register Panel is illustrated in Figure 4 6 Register Panel The Register Panel graphically represents the six internal registers of the power supply Register functions covered in the next Chapter are briefly summarized below Operation Register oper indicates the power supply s current operational state The register is unlatched and is described in Section 5 1 9 1 STAT OPER COND Questionable Register ques indicates the current state of power supply alarms The register is unlatched and is described in Section 5 1 9 2 STAT QUES COND Status Byte Register STB indicates communications error messages The register is latched and is described in Section 5 3 3 6 Read Status Byte Register Service Request Enable Reg
52. G to be executed the trigger subsystem must be initiated see INITiate CURR and CURR TRIG return presently programmed immediate and triggered levels If no triggered level is programmed then the CURR level is returned for both values CURR MAX and CURR MIN return the maximum and minimum programmable immediate current levels CURR TRIG MAX and CURR TRIG MIN return the maximum and minimum programmable triggered current levels Command Syntax SOURce CURRent LEVel IMMediate AMPLitude lt NRf gt SOURce CURRent LEVel TRIGgered AMPLitude lt NRf gt Examples CURR 200 CURRENT LEVEL MIN CURRENT LEVEL IMMEDIATE AMPLITUDE 2 5 CURR TRIG 20 CURRENT LEVEL TRIGGERED 20 Query Syntax SOURce CURRent LEVe1 IMMediate AMPLitude SOURce CURRent LEVe1 IMMediate AMPLitude MAX SOURce CURRent LEVe1 IMMediate AMPLitude MIN SOURce CURRent LEVel TRIGgered AMPLitude SOURce CURRent LEVel TRIGgered AMPLitude MAX SOURCce CURRent LEVel TRIGgered AMPLitude MIN Returned Parameter lt NR2 gt Related Commands SAV RCL RST Related Commands ABOR CURR RST 66 Source Commands 5 1 8 4 CURR PROT Description This command sets the over current trip OCT level of the power supply If the output current exceeds the OCT level then the power supply output is disabled and the Questionable Condition status register OC bit is set See Table 5 6
53. LXI Figure 5 2 Web interface configure panel 84 LXI TCP IP Ethernet Control and Discovery Methods A IMAGNA POWER ES M ELECTRONICS A meee stele CONTROL Mute ad DC VOLTAGE DC CURRENT MODE ALARMS POWER iNT CTL REMSEN ROTARY LOCK EXTCTL EXTPGM REMOTE Figure 5 3 Web interface control panel 5 4 2 3 Discovery using NI Measurement and Automation Explorer To access discovery with NI Measurement and Automation Explorer the NI VISA add on module must be installed along with the standard software package Start NI Measurement and Automation Explorer right click on Devices and Interfaces and then select Create New Select VISA TCP IP Resource from the list Click Next and then select Auto detect of LAN Instrument Click Next and the software will scan the local network for VXI devices and display them for configuration for further usage with NI VISA and related software 5 4 2 4 Discovery using Agilent Connection Expert To access discovery with Agilent Connection Expert start Agilent Connection Expert Select your computer s LAN interface and then click the Add Instrument button at the top of the screen The software will scan the local network for VXI devices and display them for configuration for further use with Agilent VISA compatible software 5 4 2 5 HyperTerminal The following procedure outlines using Microsoft Windows tm HyperTerminal Program to communicate using the LXI TCP IP Ethernet communications
54. NU gt OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES OCT DISPLAYED IN CUR DISPLAY STOP conF FLASHES IN VOLT DISPLAY V I SET STANDBY MODE ONLY CAL FLASHES IN VOLT DISPLAY TRIP SET CLEAR ITEM CLEAR PS RETURNS TO NORMAL OPERATION ENTER gt REM SEN LED FLASHES H INT CTL LED FLASHES INT CTL LED OFF PS RETURNS TO NORMAL OPERATION ENABLES EXT CTL EXT CTL LED ON PS RETURNS TO NORMAL OPERATION DISABLES EXT CTL EXT CTL LED OFF PS RETURNS TO NORMAL OPERATION CLEAR PS RETURNS TO NORMAL OPERATION EXT CTL LED FLASHES ITEM p ENTER ROTARY LED FLASHES VOLT AND CUR CTL SET TO ROTARY EXT PGM LED FLASHES REMOTE LED FLASHES INTERLOCK LED FLASHES Figure 3 7 Enable or disable rotary input mode MENU OVT LED FLASHES OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES OCT DISPLAYED IN CUR DISPLAY STOP conF FLASHES IN VOLT DISPLAY V I SET STANDBY MODE ONLY CAL FLASHES IN VOLT DISPLAY TRIP SET CLEAR ITEM E CLEAR PS RETURNS TO NORMAL OPERATION ENTER a REM SEN LED FLASHES INT CTL LED FLASHES EXT CTL LED FLASHES OVT AND OCT CTL
55. PPO Md wees aha eid gates ede kaamaa Sih a Tie de haere viii 5 2 OCODACK ascuas o a ada O S viii 1 Product Information 1 Tel Key FE atures a aa lancia tes 1 1 2 Principle Of Operation sosit even ee EE cn ve ee eee a ie ee ans ER a ee 2 T3 Specifications A ass 3 LA Models cuna nia na ste liia 5 1 5 Diagrams and Indicators mireia a di 6 1 6 Prod ct Opti NS dipsa peir tapaa itn dua i ai iaaa eae tein ceded oa EEE e iaaa SEAE 9 1 6 1 High Isolation Output FISO onssa uge nanna aasan aee a aa ainaka 9 1 6 2 High Slew Rate Output HS oooococcccnnccccnocnnnccncnncnnnacnnnnccconannnnannnnncncnnnnnnnannnnnnins 9 1 6 3 IEEE 488 GPIB Interface GPIB sssssssssrssessssssssrrtrrtesssssrnerrrersessrnerreersensenes 12 1 6 4 LXI TCP IP Ethernet Interface LXI cccceceeeeeee cece cece cece eeee ae essa eeeeaaeeeeeeesaaees 13 1 6 5 UID47 Universal Interface Device UID oooocccccccccocccnnncccnnonnnnccnnnncinnarnnonancnnnns 13 1 6 6 USB Edgeport USB ssissecsee esedeanrrese ead aaa a eddie 13 1 6 7 Water Cooling PWC 000 0 annaa cece cece ee ee aa a a aaa a eaii 13 2 Installation 15 2 4 Product IMNSPECUON sit 15 2 2 Rack Installation and Cooling ccceceeeee eee eee eee eee e eee ee ee rrtt ee ttrt rrna EEn eesaeeeeaaeeeseeeaaes 15 2 3 AC INPUL GOMMECIONS a da lacada 15 2 4 DC Output CONnections niga aa a aaa iaaeaie Ea aa a aaia a 17 2 4 1 Remote Voltage Sensing cceceeeeeee ee ee cec
56. Power Electronics software CD 1 6 7 Water Cooling WC Water cooling is available for Magna Power Electronics TS Series and MS Series power supplies This option is typically used in corrosive environments such as electroplating applications or in densely packaged system cabinets where heat removal by air cooling presents a problem 13 Chapter 1 Product Information Water cooling is implemented with chill plates and an integrated central heat exchanger The chill plates provides a thermal conduction path for heat sensitive components and the central heat exchanger removes heat from air internal to the enclosure Water cooled TS Series models have enclosures without vent holes and are basically sealed the unit from the environment An internal solenoid valve enables water flow when the chill plate reaches 60 degrees celcius Operation of the solenoid prevents internal condensation 5 kW to 15 kW models have a 1 4 NPT male inlet and outlet for water flow Models greater than 15 kW have a 1 2 NPT male inlet and outlet for water flow with external plumbing that interconnects power supply modules A minimum of 2 50 is recommended behind the enclosure for this hardware and user connections For systems requiring more than one power supply plumbing connections must be paralleled that is water should not flow from one power supply into another 14 Chapter 2 Installation 2 1 Product Inspection Carefully unpack the power sup
57. SPLAY PS RETURNS TO NORMAL OPERATION DISPLAY rEt IN VOLT DISPLAY _ ENTER PS RETUNS TO NORMAL OPERATION Figure 3 11 Front panel calibration menu Press the item key again will advance to control potentiometer 4 The left digit of the voltage display will alternately flash P and 4 the output current will be displayed in the current display and potentiometer O to 255 will be displayed in the right three digits of the voltage display To advance adjustment to potentiometer 5 press the item key again The left digit of the current display will alternately flash P and 5 the output voltage will be displayed in the voltage display and the potentiometer setting O to 255 will be displayed in the right three digits of the current display Once a digital potentiometer has been selected for adjustment pressing the up down keys increments or decrements the potentiometer setting respectively To save the new setting press the enter key or press the clear key to exit the routine Instructions for the calibration procedure are discussed in Section 7 3 1 After selecting digital potentiometer 5 pressing the item key displays the firmware revision in the voltage display and the hardware revision in the current display Pressing the item key again displays dEF default in the voltage display Pressing the enter key resets the five digital potentiometers to the factory default settings To exit the calibration menu press the i
58. SYSTem COMM NET GATE 192 168 10 2 NET GATE 192 168 10 2 87 Chapter 5 Computer Programming Query Syntax SYSTem COMMunicate NETwork GATE Returned Parameter lt string gt Related Commands NET MAC NET ADDR NET SUBN NET PORT NET HOST NET DHCP 5 4 3 6 NET SUBN Description This command sets the subnet IP Mask address of the Ethernet module of the power supply The factory subnet mask setting is 255 255 255 0 Command Syntax SYSTem COMMunicate NETwork SUBNet lt string gt Parameters IP mask address is represented with 4 bytes each having a range of 0 255 separated by periods Examples SYSTem COMM NET SUBNet 255 255 255 128 NET SUBNet 255 255 255 128 Query Syntax SYSTem COMMunicate NETwork SUBNet Returned Parameter lt string gt Related Commands NET MAC NET ADDR NET GATE NET PORT NET HOST NET DHCP 5 4 3 7 NET PORT Description This command sets the Socket Port of the Ethernet module of the power supply The factory default port setting is 50505 The factory recommends port values greater than 49151 to avoid conflicts with registered Ethernet port functions Command Syntax SYSTem COMMunicate NETwork PORT lt NR1 gt Parameters 16 bit socket number 1 to 65 535 Examples SYSTem COMM NET PORT 50505 NET PORT 50505 Query Syntax SYSTem COMMunicate NETwork PORT Returned Parameter lt NR1 gt 88 USB Communications Relat
59. XR Series Ill User Manual Programmable DC Power Supply Y AGNA POWER ELECTRONICS User Manual XR Series 3 User Manual Author Magna Power Electronics info magna power com Copyright 2012 Magna Power Electronics Inc All Rights Reserved Magna Power Electronics is a registered trademark of Magna Power Electronics Inc All other trademarks are the property of their respective owners 39 Royal Road Flemington NJ 08822 USA Phone 1 908 237 2200 Fax 1 908 237 2201 info magna power com This User Manual provides installation instructions operating procedures and product specifications for the XR Series III programmable DC power supply Contents of this User s Guide are subject to change without notice Preface v Dl Safety NOUS aranaise aa a tati v 2 Limited Warranty seriis daa a egia ae aeaaeai a a iaaa becas aeaa boca aaa v 2 1 Claim for Damage in Shipping adea aaraa a a a aaae a aee aa aaia aig vi 2 2 Returning EQuipment sirsiran a epe eia seucaqeesevecdiastategecsndeccauseateg vi 3 Declaration Of Confor Mit tipicidad aa A aed a aaa aia a a vi 4 Document Conventions it ieee nthe nities ate oe vil 4 1 Notes ANd Warnings ccece cece cece eee e cece ee eee eee eee eee eeee eee ea eeeeaaeeeseeeaaeeeeaeeeaaenes vii 42 TEA CONVENTIONS reiris a A aE EN E Aa EEEE AAN vii 5 Getting Help and Giving Feedback cooocccocccnnnccccnccnnnccncnncnnnncnnnncnnonannnnancnnncnnnannnnncncnnnnns viii DL AUN SU
60. ach individual 485DSS module Once addressed the module will transparently convert serial data The address command can only be transmitted at 9600 baud and if the command is transmitted at any other baud rate the command will be ignored by the 485DSS module The address command has the following form Xoff character the most significant address character the least significant address character and SOH character The address range of the 485DSS module is from O to 255 in decimal or O to FF in hex 485DSS 485DSS O FR GND O FR GND HOST HOST TDA O f n TD A RD A A O TDA TD B O TD B RD B QO TD B RD A O RD A TDA HO A O 4 RD A ry RD B ido 460 RD B TDB QO o or RD B 1 2W 1 2W 1 2W 1 2 GND A GND GND O HO GND 12 RIN 12 RTN 12 12 12 Cj 12 TERMINATION TERMINATION O O Oour nO O Oour vCO O Ow WO O Ow 485DSS END UNIT 485DSS END UNIT O FR GND O 4 FR GND O TD A TD A TD B TD B RD A RD A 100 ADE 100 AD B 1 2 1 2 HD GND HD GND 12 RIN 12 RTN 12 12 12 y 12 TERMINATION TERMINATION O O Oour O O Oour OO Ow WO O Ow a b Figure 5 4 RS485 a 2 wire and b 4 wire
61. ading ESR the STB is not cleared after it is read The MAV bit is cleared at power on or by CLS Query Syntax STB Example STB Return Parameter lt NR1 gt Register value Related Commands ESR ESE Table 5 13 Status Byte Register Weight Abbreviation Description 0 1 NU Not Used 1 2 NU Not Used 2 4 NU Not Used 3 8 NU Not Used 4 16 MAV Message Available 5 32 ESB Event Status Bit 6 64 NU Not Used 7 128 NU Not Used 5 3 3 7 Read and Set Service Request Enable Register Description This command sets the Service Request Enable Register SRE This register defined in Table 5 14 Service Request Enable Register determines which bits from the Status Byte Register see STB for its bit configuration are allowed to set the Master Status Summary MSS 77 Chapter 5 Computer Programming Bit A 1 in any SRE bit position enables the corresponding Status Byte Register bit All Status Byte Register enabled bits are then logically OR d and placed in bit 6 of the Status Byte Register When SRE is cleared by programming it with 0 the power supply cannot generate a service request to the controller Command Syntax SRE lt NR1 gt Example SRE 20 Query Syntax SRE Return Parameter lt NR1 gt Register value Related Commands ESR ESE Table 5 14 Service Request Enable Register Abbreviation Description Not Used Not Used Not Used Not Us
62. age and current control and control type O and 1 for multiplier and additive functions 5 1 6 1 MOD TYPE SEL This command is composed of two comma separated modulation parameters The first parameter control input defines whether the modulation table adjusts output voltage or output current When the control input is set to 1 VMOD selects the modulation table to adjust output voltage When control input is set to 2 VMOD selects the modulation table to adjust output current Setting the control input to the default value of 0 disables the modulation function Information on programming the lookup table is provided in Table 5 4 Modulation Table Parameters 59 Chapter 5 Computer Programming The second command parameter control type defines the expression for modulating output voltage or current With type set to 0 table data points are used in a multiplying expression With type set to 1 table data points are used in an addition expression The choice of using type O or type 1 modulation depends on the application Only one set point can be modulated at any given time The query command returns two comma separated parameters the control input followed by the control type Table 5 3 Modulation Function Subsystem Parameters Control Input Control Type Derah 0 Disabled Vo Gy VreXMod VMOD o Gi lrerMod VMOD 1 Disabled Vo Gy Vrep Mod VMOD Io gt Gi lrert Mod VMOD Notes 1 Vo i
63. bits at a time Message transactions are hardware handshaked Data rates may be up to 1 Mbyte sec N LXI TCP IP Ethernet Interface LXI 1 6 4 LXI TCP IP Ethernet Interface LXI Certified to the LXI Standard Class C the TCP IP Ethernet option includes an embedded web server allowing web browser power supply control and monitoring from virtually anywhere LXI is an instrumentation platform based on industry standard Ethernet technology designed to provide modularity flexibility and performance to small and medium sized systems LXI s advantages are exemplified in its compact flexible package providing high speed I O and reliable measurements The Magna Power Electronics LXI TCP IP Ethernet option includes an embedded web server allowing web browser power supply control and monitoring from virtually anywhere 1 6 5 UID47 Universal Interface Device UID Magna Power Electronics UID47 is a general purpose device for connection to Magna Power Electronics power supplies The device contains the necessary circuitry for configuring power supplies for master slave parallel or series operation Master slave parallel operation allows two or more power supplies to equally share output current when connected together Master slave series operation allows two or more power supplies to equally share output voltage when connected together In either operation mode the master unit will command the slave units to the proper vol
64. c lo Adc Po W 2 3750 00 3 3750 00 4 3750 00 5 6 25 0 400 40 00 93 75 3750 00 6 10 00 0 250 25 00 150 00 3750 00 98 Constant Power Operation Piecewise linear approximation makes a continuous curve by interpolating points on the curve between those programmed For example Vo is 77 5 Vdc if the operating current is 48 85 Adc For nonlinear curves accuracy of the approximation improves with more data points 150 1 0 135 4 0 9 120 4 0 8 105 0 7 90 7 0 6 y Z 75 0 5 gt 2 60 4 0 4 45 4 0 3 30 4 0 2 154 0 1 0 0 ooo o NUOTFILIOOmNm OD Vo Vdc Figure 6 5 Constant power output curve used in example modulation table 99 100 Where to Buy Magna Power Electronics Partners and Sales Offices North America Germany Austria Switzerland Central and Eastern Europe Magna Power Electronics Inc Magna Power Electronics GmbH 39 Royal Road Daimlerstr 13 Flemington NJ 08822 85521 Ottobrunn United States of America Germany Phone 1 908 237 2200 Phone 49 0 89 95890293 Email info magna power com Email info magna power de www magna power com www magna power de Distributors of Magna Power Electronics products are located worldwide To find the nearest sales partner please visit www magna power com contact Magna Power Electronics innovative power electronics solutions for applications from industry to research Published by ATTENTION Magna Power Electronics
65. ck diagram 1 3 Specifications This section details the product specifications for the XR Series III If additional product specifications are required please contact Magna Power Electronics by emailing support magna power com Make sure to include your product s model and serial number along with your desired specification Specifications are subject to change without notice For three phase configurations input specifications are line to line specified at 208 Vac 380 Vac and 440 Vac input Unless otherwise noted input voltages and currents are specified for three phase configurations Table 1 1 XR Series III Physical Specifications Physical Specifications Power Size H x W x D Weight 3 50 x 19 x 24 in 8 89 x 48 3 x 61 0cm 45 lbs 20 41 kg 3 50 x 19 x 24 in 8 89 x 48 3 x 61 0cm 47 Ibs 20 32 kg 6 kw 3 50 x 19 x 24 in 8 89 x 48 3 x 61 0cm 48 Ibs 20 77 kg 8 kw 3 50 x 19 x 24 in 8 89 x 48 3 x 61 0cm 48 lbs 20 77 kg Chapter 1 Product Information Table 1 2 XR Series III Input Specifications Input Specifications Nominal Voltage 208 Vac 30 operating range 187 229 Vac 3 phase 3 wire ground 240 Vac 30 operating range 216 264 Vac 380 Vac 30 operating range 342 418 Vac 415 Vac 30 operating range 373 456 Vac 440 Vac 30 operating range 396 484 Vac 480 Vac 30 operating range 432 528 Vac 1 phase 2 wire ground 2 208 Vac 10 operating range 187 229 Vac
66. condition is reached see PER OUTP STOP Command Syntax OUTP START Examples OUTP START OUTPUT START 63 Chapter 5 Computer Programming Related Commands RST OUTP STOP OUTP ARM PER 5 1 7 4 OUTP STOP Description This command opens the power supply s input contactor and initiates either normal or auto sequence mode Command Syntax OUTP STOP Examples OUTP STOP OUTPUT STOP Related Commands RST OUTP START OUTP ARM PER 5 1 7 5 OUTP PROT CLE Description This command clears the alarm latches There are seven alarm latches namely interlock program line phase balance thermal over voltage trip over current trip and input When a fault is detected the power supply is rendered to an alarm state The power supply cannot be restarted until the protection condition is cleared and the latch is reset Command Syntax OUTPut PROTection CLEar Examples OUTP PROT CLE OUTPUT PROTECTION CLEAR Related Commands RST RCL SAV 5 1 8 Source Commands 5 1 8 1 VOLT and VOLT TRIG Description These commands set the power supply s immediate voltage level or the pending triggered voltage level The immediate level is the voltage programmed for the immediate power supply output The pending triggered level is a stored voltage value that is transferred to the power supply when a trigger occurs A pending triggered level is unaffected by subsequent VOLT commands and remains in effect unti
67. connections 5 6 1 485DSS Initial Setup This section sets up the hardware for the 485DSS module 1 The default address for the 485DSS is 0 To change this address remove the module s cover and locate the DIP switch in the center of the printed circuit board Set the desired address on the DIP switch using the bit weights associated with each switch 2 Set the 485DSS for either 2 wire or 4 wire communications Jumper settings are illustrated in Figure 5 4 RS485 a 2 wire and b 4 wire connections 3 For noisy environments a terminator may be required between the RD A and RD B lines To add a terminator set the termination jumper to IN to the 485DSS at the end of the line 4 Connect the serial cable from the connector JS3 on the power supply to the 485DSS This requires a male DB9 to female DB25 serial cable 91 Chapter 5 Computer Programming 5 Establish RS232 communications by configuring the power supply for remote operation using the front panel commands described in Section 3 2 3 Configuration Commands 5 7 IVI COM Driver Magna Power Electronics IVI COM driver handles the low level bus protocols simplifying automation development It supports TCP IP IEEE 488 GPIB and RS232 using standard VISA resource descriptors For additional documentation and details on using the IVI COM driver see the driver s included help file MPEIVI chm located in C Program Files x86 IVI Foundation lVI Drivers MPEIVI o
68. cs CD that ships with the power supply installs a virtual RS232 COM port in the Device Manager of the operating system This in turn will allow communications with the XR Series III power supply in the same manner as a device connected to the RS232 COM port on a PC The USB port becomes transparent to the serial device and the software running on the PC 5 5 1 USB Edgeport 1 Setup Before installing this optional equipment the manufacturer recommends that you first commission the system using the manual controls on the front panel of the power supply To connect the Edgeport 1 USB Expansion Module to the XR Series III power supply proceed as follows 1 Connect the USB cable between a USB port on the computer and the Edgeport USB Expansion module This cable is supplied with the optional product 2 If required install the drivers for the Edgeport USB Expansion Module from the Magna Power Electronics software CD 3 Connect a standard straight through 9 conductor serial extension cable between connector JS3 on the power supply and the serial port on the Edgeport USB Expansion Module This cable is supplied with the XR Series III programmable DC power supply 4 Establish RS232 communications by configuring the power supply for REMOTE operation using the front panel commands described in Section 3 2 3 Configuration Commands 5 5 2 USB Edgeport 1 Communications Using the Remote Interface Software Chapter 4 Remote Interfac
69. d according to Table 6 2 Modulation Table for Leadless Remote Sensing Control Type 1 For row 3 in the modulation table VMOD is given the value 9999 to signify the last entry P O JS1 102 Ol VMOD Ol REF GND CO 1220 Figure 6 2 Leadless remote voltage sensing Table 6 2 Modulation Table for Leadless Remote Sensing Control Type 1 Row VMOD Vdc COo ALLO BD 1 0 0 0 00 2 10 0 0 20 3 9999 0 00 6 3 Photovoltaic Cell Simulator Modulation enables the power supply to emulate different sources such as batteries fuel cells photovoltaic arrays etc To simulate a photovoltaic array connect terminal 24 of JS1 to terminal 25 of JS1 set the modulation control parameter to voltage control and set the modulation type to 0 Figure 6 3 IV characteristics for a typical photovoltaic array illustrates the programmed piece wise linear approximation for a typical photovoltaic array and Table 6 3 Modulation Table for emulation 94 Battery Charger of a Photovoltaic Array Control Type 0 defines the associated piece wise linear modulation table to emulate that array For this example a Magna Power Electronics power supply rated for 125 Vdc and 53 Adc peak output was chosen for the power source More advanced functionality and automated programming and sequencing is available using Magna Power Electronics Photovoltaic Power Profile Emulation software 40 O al DC
70. d to the load With the power supply configured for remote sensing and upon enabling power output the sense location is initially set to local The sense location is switched to remote upon reaching 7 5 of full scale output voltage If the voltage detected is greater than 4 5 of full scale output voltage the sense location remains remote if the output voltage detected is less than 4 5 then the sense location will automatically revert back to local The remote sense indicator on the front panel will flash when the remote sense functionality has been enabled but the power supply is remaining in local sense The power supply will remain in local sense with the REM SEN light flashing if the output voltage never exceeds 7 5 of full scale output voltage or the remote sense lead detector has determined sense leads are not connected The remote sense indicator will remain flashing until the remote sense detector has detected the presence of remote sense voltage within the limits described above VO LOAD VO JS2 VO1REM gt 2 gt VS VO1REM O 1 gt VS MULTIPLEXER a VO LOAD VO JS2 VOIREM le ie VO1REM a 1 O gt VS MULTIPLEXER b Figure 2 1 a Local and b remote sensing 2 5 Electrical Check This section describes the electrical checkout procedure for the XR Series Ill For XR Series Ill units
71. e aware of dealing with electrical hazards Ensure that the AC power line ground is properly connected to the power supply chassis Furthermore other power grounds including those connected to application maintenance equipment must be grounded for both personnel and equipment safety Always ensure that facility AC input power is de energized prior to connecting or disconnecting the input and output power cables Caution Lethal voltages may be present inside the power supply even when the AC input voltage is disconnected Only properly trained and qualified personnel should remove covers and access the inside of the power supply During normal operation the operator does not have access to hazardous voltages within the cabinet Depending on the user s application high voltages hazardous to human safety may be generated normally on the output terminals Ensure that the output power cables are properly labeled as to the safety hazards and that any inadvertent contact with hazardous voltages is eliminated This power supply is designed to be permanently connected to the power source requiring a readily accessible disconnect device incorporated in the fixed wiring These operating instructions form an integral part of the equipment and must be available to the operating personnel at all times All the safety instructions and advice notes are to be followed Neither Magna Power Electronics Inc nor any of the associated sales organization
72. e Software describes application of the Remote Interface Software that ships with XR Series III programmable DC power supply This software provides the user with a quick method to operate a Magna Power Electronics programmable DC power supply under computer control The software can be configured for a number of communication interfaces To use Remote Interface Software with the Edgeport 1 USB Expansion Module perform the setup described in previous section and refer to Section 4 1 Application Setup to configure the software for RS232 communications 5 6 RS485 Communications The optional 485DSS to RS232 converter transparently converts data between two ports with control codes or special commands The Model 485DSS RS485 distributed smart switch allows multiple addressing of RS232 devices The host computer uses RS485 output to send commands to the network consisting of multiple 485DSS devices interfacing to RS232 communications equipment Each 485DSS device has a unique address that can be set from 0 to 255 The 485DSS configuration settings are detailed in Table 5 17 RS485 Interface Configuration There is no delay or buffering of data in the 485DSS Table 5 17 RS485 Interface Configuration Parameter Baud Rate 9600 Data Size 8 bit 90 485DSS Initial Setup Parameter Value Parity None Stop Bits 1 Flow Control Off Cable Type Straight through A command is required to address e
73. e eect teeter teense se eeee sees edeeeeaaeeeeaeeesaeeees 17 2 55 Electrical Check A Gaeta Sey a eel vee eee eee 18 2 5 1 Electrical Check for Models with XR Version Front Panel cssc 19 2 5 2 Electrical Check for Models with C Version Front Panel scce 19 3 Operation 21 3 1 Output Regulation Modes cccececcee cece eee eee ee ee ttnt eset seca eres ae eesaeeeeaaeeeseeeaaeeeeaeeeaaeees 21 3 1 1 Constant Voltage menpa Atacan 21 3 1 2 Constant CUMEM cicer iinta tend ddavetetuengeane aa a aaa Eva dea 21 3 1 32 Pulse LO adidas 21 32 Front Panel Command unica ora 22 3 2 L RUN Mode COMMANAS atinada as 22 3 2 2 S t Point COMMANGS irte t tidad aida 23 3 2 3 Configuration COMMANAS ooocccocccnnnccncnncnnnccnnnncncnnonnnncnnnnncnnnnnnnnnercnnnnnnnarnnnncinnnss 24 3 2 4 Calibration COMMANAS erdian ia anaa ATAI AEAEE ii 26 3 3 External 37 pin JS1 I O Programming and Operation ccccceeeeeeeeeeeeeeeaeeeeeeeeeaes 27 3 3 1 External 37 pin I O Pin Definitions ooococoniccncccccncccnnccnnnncncnncnnonacnnnncnnnacnnnncncnnnns 28 3 3 2 External Analog Programming 0c cccceceeeeeeeee ee eeee caer eeeeee aa eeee ae eesaeeeeaaeeeeeneeaa 31 3 3 3 External Analog Monitoring coocccoccccnnccccncnnnnccncnncnnncnnnnncnconannonarnnnnnnnnarnnonencnnnnns 33 3 3 4 Digital Input LINES mimada di eat 33 3 3 5 Digital Output LINES wc cecescccccegec pni paia pi aaae ia anie a daaa iaioe naiiai 34 3 4 Parallel and S
74. e within the specified range Upon a diagnostic fault condition main power is disconnected and the diagnostic condition is latched into memory Pressing the clear key clears the memory All diagnostic functions can be monitored through a rear connector Furthermore control functions can also be set through the rear connector to allow simultaneous control of one or more XR Series III units Finally XR Series Ill models rated for 16 Vdc and above have a novel electronic output stage that utilizes near constant power loading under all conditions via an electronic bleed resistance This electronic bleeder means stability under all operating conditions and faster fall times without affecting the overall system efficiency 1 2 Principle of Operation This section provides a general overview of the technology and power processing stages in a Magna Power Electronics XR Series Ill Figure 1 1 XR Series III functional block diagram provides an visual overview of the power supply s main power and control stages Power is fed through AC fuses and is distributed to the auxiliary power supply inrush limiter and main 30 contactor The auxiliary power supply operates off the AC mains supplying power to the other printed circuit boards in the system The inrush limiter is a step start device which is used to initially charge capacitors on the input DC bus and limit the inrush of current The inrush limiter is initiated when the power supply is switched
75. ed Message Available Event Status Bit Master Summary Not Used 5 3 3 8 Read Model Number Part Number and Serial Number Description This query requests the power supply to identify itself lt returns a string composed of three fields separated by commas Query Syntax IDN Return Parameter Company Name Power Supply Model S N string format Example Magna Power Electronics Inc XR16 375 S N 1162 0361 F W 1 0 Related Commands CALibrate IDN 78 IEEE 488 GPIB SCPI Commands and Registers 5 3 3 9 Save Description This command is available for all SL Series and XR Series models and TS Series MS Series and MT Series units with the D Version front panel This command stores the present state of the power supply at the specified location in memory Data can be saved in 100 memory locations The following power supply parameters are stored by SAV VOLT LEV IMM CURR LEV IMM VOLT PROT LEV CURR PROT LEV PER Command Syntax SAV lt NR1 gt Parameters 0 99 Example SAV 1 Related Commands RCL MEM 5 3 3 10 Recall Description This command restores the power supply to a state that was previously stored in memory location with a SAV command The RCL command can recall data in 100 memory locations For XR Series programmable DC power supply only memory location O is available The following parameters are recalled VOLT LEV IMM CURR L
76. ed Commands NET MAC NET ADDR NET GATE NET SUBN NET HOST NET DHCP 5 4 3 8 NET HOST Description This query reads the host name of the Ethernet communications module Query Syntax SYSTem COMMunicate NETwork HOSTname Examples SYST COMM NET HOST NET HOST Returned Parameter lt string gt Related Commands NET MAC NET ADDR NET SUBN NET PORT NET DHCP 5 4 3 9 NET DHCP Description This command sets the DHCP operating mode of the Ethernet module If DHCP is set to 1 the module will allow its IP address to be automatically set by the DHCP server on the network If DHCP is set to O the default IP address is set according to Table 5 15 Default LXI TCP IP Ethernet settings without DHCP Server The factory DHCP setting is 1 Command Syntax SYSTem COMMunicate NETwork DHCP lt NR1 gt Parameters 0 DHCP Off 1 DHCP On Examples SYST COMM NET DHCP 0 NET DHCP 1 Query Syntax SYSTem COMMunicate NETwork DHCP Returned Parameter lt NR1 gt Related Commands NET MAC NET ADDR NET GATE NET SUBN NET PORT NET HOST 5 5 USB Communications Magna Power Electronics XR Series lll supports USB communication through an external RS232 to USB expansion module The external USB Edgeport 1 USB option transparently transforms a RS232 COM port to a USB 89 Chapter 5 Computer Programming The USB Edgeport 1 Windows drivers included on the Magna Power Electroni
77. ent Scale are not available to the user These are factory specific commands that require an alternate password to access 47 Chapter 4 Remote Interface Software E Calibration Panel Loa File View Communication About Commands Output Get Set Command Data Get Set Command Data _ Password fl ey pee _ _ Vott scale a Ge _ Curr Scale ime Paa El __ Input Scale EJ _ Pots Default Pots EJ Pot 5 End Cal El 5 Cal String Clear Save to File Figure 4 7 Calibration Panel 4 6 Firmware Panel The Firmware Panel is illustrated in Figure 4 8 Firmware Panel The Firmware Panel enables the program stored internal to the power supply to be upgraded The factory recommends that firmware upgrades be performed only if there is an operational problem with the power supply The following steps list the procedure for upgrading the firmware Turn the power supply off Connect a RS232 cable between a serial port on a computer and connector JS3 on the power supply e Press the select button and choose the file to be loaded Press the start button The Status frame will display Initiating Turn on the power supply If the supply is not turned on within 10 seconds Time Out will be displayed in the Status frame indicating communications is lost During the process of upgrading the firmware the front panel of the power supply will remain blank After communications is established
78. ent trip can be programmed in the same manner Referring to the Section 3 3 1 External 37 pin I O Pin Definitions for terminal identification use IREF EXT Pin 22 to program the current set point TVREF EXT Pin 4 to program over voltage trip and TIREF EXT Pin 23 to program over current trip The power supply has been calibrated to produce full scale output voltage and current with 10 0 V inputs at the external reference input terminals Furthermore over voltage and over current trip have been calibrated to trip at 110 full scale output voltage and current with 10 0 V inputs at the external reference input terminals Most commonly IREF EXT Pin 22 TVREF EXT Pin 4 and TIREF EXT Pin 23 are all jumpered together and tied to 10V REF Pin 21 3 3 3 External Analog Monitoring Two outputs are provided for monitoring output voltage and current and for use in master slave series and parallel operation As illustrated in Figure 3 13 Monitoring output a voltage and b current output monitoring voltage VO2 Pin 5 can be obtained by monitoring the voltage between terminals VO2 Pin 5 of JS1 and REF GND Pin 1 Pin 2 or Pin 20 of JS1 Output monitoring current 102 Pin 24 can be obtained by monitoring the voltage between terminals 102 Pin 24 of JS1 and REF GND Pin 1 Pin 2 or Pin 20 of JS1 Like the programming inputs full scale output voltage and current will produce 10 0 V The output impedance of the analog monioti
79. eries Operation iinnat nai na aa aa aa ia aaant 35 User Manual 3 4 1 Parallel Operation 2 2 0 0 ccc eee ce cece cece cnet cena ae eidi ia i dei 35 E AS E Ten seayace e aa a a aa a ites tadiden teed eh 37 3 5 Troubleshooting Guide civic aristas talla caos adds lla edad na dada 39 A TN 40 3 6 L Contol Board sucias a lia 40 3 6 2 Driver Board nio traer tato ven tt va 41 4 Remote Interface Software 43 4 1 Application SetUp eii lepra iran ladera 43 4 2 Virtual Control Panel ii e 45 4 3 Gommand Panel sisin ssie caee cots seaedgetss deed iia pl laa 45 4 4 Register Panelini aa tvbbeduaze bread iria athens 46 4 5 Calibration Panel ocio tar Variedades 47 4 6 Firmware Panel iia Aaa 48 4 1 Modulation Panel va Ada da at dina 49 5 Computer Programming 51 BL SEP I COMmMAanadS aura rt ir eddie 51 b 1 L Parameter Data TYPES ea a a colacao eat 51 5 1 2 Restricted SCPI Command Set ooccconnccnnccncnnnnccnocnnncnnonnnnononanoncnnnnannnnnrnnnnnnnnnnns 52 5 1 3 Calibration COMMANAS ccece cece cece cette eee eee iai a ai a aaaea 54 5 1 4 Configuration COMMANAS cceceeeeeee ce eeee cece ce eeee ae esse eeeeaaeeeeaeeesaeeeeaaeeeseeeaaees 56 5 1 5 Measure GOMMANAS a eaae aaea thaake cA Ua e A a Aa aa iba 59 5 1 6 Modulation COMMANAS ccoocccoccccnncccnnocnnnnonnnncncnnonnnnnrnnnncnnnnnnnnnernnnnnnnnarnnnnerennnns 59 5 1 7 Output Commands accord a E A aaea i De Daaa a a 62 5 1 8 Source COMMANAS sissi
80. f the master power supply to START Pin 17 of the slave power supplies connects the power output digital control line of the master power supply to the start digital control line of the slave power supplies This connection causes slave units to turn on when the master unit is turned on e Jumper connection between STANDBY ALM Pin 12 of the master power supply and STOP Pin 19 of the slave power supplies connects the STANDBY ALM digital control line of the master power supply to the STOP digital control line of the slave power supplies This connection causes the slaves units to turn off when the master unit is turned off or when a diagnostic condition appears e Jumper connections between TVREF EXT Pin 4 10V REF Pin 21 IREF EXT Pin 22 and TIREF EXT Pin 23 of the slave power supplies sets the slave current control to maximum and sets the voltage trip and over current trip set points just beyond full scale values The slave power supply must be configured for external program input The master unit can configured for rotary external program or remote input Configuration commands are discussed in Section 3 2 3 Configuration Commands To add a second slave unit connect the output terminals of the second slave in series with the other two power supplies Furthermore connect a second control cable between the second slave unit and the master unit 38
81. from a standby to a power state After the charge cycle the main 30 contactor is energized and power is allowed to flow to the load The EMI filter reduces common mode and differential mode noise emanating from the supply Output power is controlled through a polyphase chopper For a 6 kW and 8 kW XR Series III power supplies three choppers phased 120 apart provide a current source to a current fed inverter The 4 kW XR Series III power supplies uses two choppers phased 180 apart and the 2 kW supplies uses only one chopper The choppers are controlled with current mode pulse width modulation PWM This modulation scheme provides a quick response for transients and filtering harmonics on the DC bus As illustrated chopper output current is monitored for balancing and for sensing overload current conditions The polyphase chopper has been engineered to eliminate harmonic components minimizing currents circulating in the power supply 2 Specifications The polyphase chopper produces a controlled DC bus which is connected to DC link inductors and current fed IGBT inverter The inverter which operates above 20 kHz excites the main transformer at higher than normal line frequencies This operation produces ohmic isolation between the input and output of the power supply using a transformer of dramatically reduced size The inverter operates with a 50 duty cycle and its frequency operation is transparent to the performance of the power
82. h as National Instruments Measurement and Automation Explorer Agilent Connection Expert or the Remote Interface Software supplied with the power supply 5 4 2 1 Remote Interface Software Chapter 4 Remote Interface Software describes application and configuration of the Remote Interface Software which is shipped with XR Series III programmable DC power supply This software provides the user with a quick method to operate a Magna Power Electronics power supply under computer control The software can be configured for a number of communication interfaces Ethernet is included as one of these interfaces To use the Remote Interface Software with optional Ethernet communications the address parameters in the Remote Interface Software and that encoded in the power supply must match The factory default for DHCP is 1 on allowing the IP address to be automatically set by the DHCP server on the network If DHCP is off and the address is unknown the device can be located using the Remote Interface Software supplied with the power supply To access discovery press Find Device in the Communication Setup menu The routine scans all the devices on the network and provides their addresses and identifications Select the desired device and press OK this automatically changes the address in the Communication Setup The same result can be achieved with a double click on the desired device After communications is established the address of the device ma
83. hat an up down entry will create a new OCT set point After the change is made the enter key must be pressed to save the new set point or the clear key can be pressed to exit without saving the new set point In all control modes set point voltage and current can be quickly displayed by simply pressing the V I dis key Similarly set points for OVT and OCT can be displayed by pressing the trip dis key The up down keys have an acceleration feature to speed up entries Pressing and holding the up down keys cause number changes to increase or decreases at a faster rate Upon nearing the desired set point number release and press again to slow down the rate of change Pressing and holding the clear key for 5 seconds while programming set point commands sets the OVT and OCT to default values Front panel menu walthroughs for setting protective voltage and current trip levels are illustrated by Figure 3 2 Set over voltage trip and Figure 3 3 Set over current trip These commands can be made when the power supply is in either the standby alarm or power mode states MENU 4 OVT LED FLASHES 4 4 _ OVT DISPLAY INCREMENTS OVT DISPLAYED IN VOLT DISPLAY START OCT LED FLASHES y OVT DISPLAY DECREMENTS STOP OCTIDISALAYED IN UR DISPLAY r ENTER OVT DISPLAY ENTERED AS OVT SET POINT conF FLASH
84. he positive terminal of the first supply to the negative terminal of the second supply The load is connected between the negative terminal of the first supply and the positive terminal of the second supply The output current controls of each power supply are operative and the current limit is equal to the lowest control setting If any one output current control is set too low with respect to the total output current the series power supplies will automatically crossover to constant current operation and the output voltage will drop 37 Chapter 3 Operation 3 4 2 2 Seies Operation Master Slave Master slave series operation permits equal voltage sharing under all load conditions and allows complete control of output voltage from one master power supply Figure 3 17 Master Slave series connection illustrates the terminal connection for master slave series operation and salient control circuitry The control cable can be fabricated by the user or purchased as an option UID47 from the factory These connections perform the following functions e Jumper connection between VO2 Pin 5 of the master power supply and VREF EXT Pin 3 of the slave power supplies connects the voltage monitoring voltage on the master power supply to the external voltage set point input on the slave power supplies This makes the slave power supplies operate at the same voltage output as the master power supply e Jumper connection between POWER Pin 8 o
85. ies operation This enables two or more power supplies to be placed in parallel for increased output current or in series for increased output voltage With master slave operation power supplies operate at near equal voltage and current XR Series III power supplies can be configured through the front panel for different applications The power supply can be programmed to have its control functions accessible from the front panel rear 37 pin connector or with RS232 IEEE 488 GPIB GPIB or LXI TCP IP Ethernet LXI communications External RS485 to RS232 RS485 and external USB to RS232 USB converters are also available to echo commands over the communications network Communication options must be specified at time of order XR Series III power supplies support a full set of SCPI commands IVI drivers are available which support programming in Visual C Visual C Visual Basic NET Visual Basic 6 0 LabVIEW LabWindows CVI MATLAB Measure Foundry and Agilent VEE Pro Sensing can be established at the output terminal of the power supply or through a rear terminal block for remote sensing at the load A smart remote sense detector checks whether or not sense leads are present eliminating the potential of uncontrolled operation An external interlock can be set to enable operation only when an external connection is made Even calibration has been simplified with front panel access to calibration digital potentiometers XR Series Ill power
86. ine the High Slew Rate Output HS option specifications Table 1 8 XR Series High Slew Rate Output Capacitance and Ripple Output Voltage Range Vdc Output Capacitance uF Output Ripple mVrms 5 13200 500 10 4080 750 16 4080 750 20 2340 1000 32 2340 1500 40 240 1500 50 240 1750 80 240 1750 100 160 2000 125 160 2000 160 160 2500 200 160 2500 250 160 3000 375 160 3000 400 160 3000 500 56 3000 600 56 3500 800 56 3500 1000 52 3500 Note 1 For 20 to 30 kW models multiply capacitance by 2 2 For 45 kW models multiply capacitance by 3 3 For 60 kW models multiply capacitance by 4 4 For 75 kW models multiply capacitance by 5 He 0 High Slew Rate Output HS Table 1 9 TS Series and MS Series High Slew Rate Output Capacitance and Ripple Output Voltage Output Capacitance uF Output Ripple mVrms Range Vdc 5 13200 750 8 9000 750 10 4080 750 16 4080 750 20 2340 1000 32 1170 1000 40 750 3500 50 750 3500 80 300 4000 100 200 4000 125 200 4500 160 200 4500 200 200 5000 250 200 5000 375 160 5500 400 160 5500 500 70 5500 600 60 6000 800 56 6000 1000 52 6000 1500 18 6500 2000 18 6500 3000 9 7000 4000 9 7000 Note 1 For 20 to 30 kW models multiply capacitance by 2 2 For 45 kW models multiply capacitance by 3 3 For 60 kW models multiply capacitance by 4 4 For 75 kW models multi
87. inition Definition 1 DIO1 Data line DIO5 Data line 2 DIO2 Data line DIO6 Data line 3 DIO3 Data line DIO7 Data line 4 DIO4 Data line DIO8 Data line 5 EOI End or Identify REN Remote Enable 6 DAV Data Valid DAV Gnd 7 NRFD Not Ready for Data NRFD Gnd 8 NDAC Not Data Accepted NDAC Gnd 9 IFC Interface Clear IFC Gnd 10 SRQ Service Request SRQ Gnd 11 ATN Attention ATN Gnd 12 Shield Gnd All of the SCPI subsystem commands in the previous section can be initiated using RS232 optional IEEE 488 GPIB GPIB or optional LXI TCP IP Ethernet LXI communications Chapter 5 Computer Programming The IEEE 488 standard defines a method for status reporting As illustrated in figure 4 1 the method uses the IEEE 488 1 Status Byte STB Three bits of this byte are defined as Master Status Summary MSS Bit Event Status Bit ESB and Message Available MAV Bit The Master Status Summary MSS is an unlatched bit When the Status Byte Register is read using a Status Byte Register query bit 6 will be 1 if there are any conditions requiring service The STB is masked by the Service Request Enable Register SRE to allow the user to mask specific or all events from setting the MSS bit to 1 The MSS bit is obtained by logical OR ing the bits of the enabled Status Byte Register The Event Status Bit ESB is set when one of the events defined in the Event Status Register ESR Table 5 12 Event Status Register has occurred Like
88. interlock can be selected or deselected when the REM SEN INT CTL EXT CTL and LOC LED is flashing To select press enter or to deselect press clear Remote sense allows the output voltage to be sensed at the load rather than at the output terminals of the power supply This feature eliminates regulation degradation caused by the voltage drop across the output cables Details on the physical connections are covered in Section 3 3 Internal control enables the START STOP and CLEAR keys on the front panel External control enables the start stop and clear inputs at terminals 17 19 and 18 of connector JS1 on the rear panel respectively Both internal control and external control may be enabled to allow simultaneous control Interlock requires a physical short between terminals 26 and 37 of connector JS1 to enable operation This feature is useful for process control applications when a safety interlock is required For wiring details refer to Section 3 3 4 Digital Input Lines Configuration commands for rotary external program and remote sets the reference input mode for voltage set current set over voltage trip and over current trip Only one input mode may be selected Pressing enter when one of the respective LED is flashing causes that mode to selected and disables the previously selected mode Pressing clear when the respective LED is flashing allows the user to exit the command sequence without change With rotary control voltage
89. interpolates between data points to form a piecewise linear curve Each column has to have data in an acceptable range All tables less than 50 rows must be terminated with a VMOD value of 9999 Mod values at and past a row with VMOD of 9999 does not affect modulation Table 5 4 Modulation Table Parameters 1 2 Description Row VMOD Acceptable Range 0 0 to 10 0 1000 0 to 1000 0 While the table will store any value within the acceptable range the power supply is limited by its output voltage and current specifications For example when using type 1 modulation MOD TYPE SEL 1 1 a user can store a Mod value of 1000 but the power supply will only output a voltage down to 0 V From row 1 to 50 VMOD has to be in ascending order Modulation points are read with two comma separated parameters formatted as Row Loc The query will return four parameters formatted in the same way as the save table command above Command Syntax MOD TABL lt NR1 gt lt NRF gt lt NRF gt lt NR1 gt Examples MOD TABL 12 0 13 1 6 1 MODulation TABLe 20 2 0 15 002 0 MOD TABL 13 1 5 1 29 0 MOD TABL 14 9999 0 1 Query Syntax MOD TABL lt NR1 gt lt NR1 gt Returned Parameter lt NR1 gt lt NRF gt lt NRF gt lt NR1 gt 61 Chapter 5 Computer Programming 5 1 6 3 MOD SAVE This command copies the Active Table in RAM to a non volatile EEPROM memory The Active Table which is stored in RAM loses its data on
90. ion in Charge voltage Vdc E Range 112 132 130 54 4 140 165 168 198 196 231 0 000 Deviation is 2 80 to 3 30 mV Ficell VMOD Vdc Mod VMOD 0 73 224 264 Vo Vdc 16 10 9999 Note Set the program voltage to 14 64V 0 000 6 5 Constant Power Operation Using modulation Magna Power Electronics programmable DC power supplies can operate with constant power output Table 6 8 Example Modulation Table for Constant Power Output Control Type 0 and resulting curve Figure 6 5 Constant power output curve used in example modulation table illustrate a simple example of Control Type 0 modulation as applied to a 100 V 150 A power supply In this example the power supply is programmed to produce a constant power output Current lo is used as the programming operator for Mod The method requires lo to be monitored and applied to the programming or modulation input VMOD As illustrated VMOD is set to linearly respond to current Vo Gy Vse X Mod VMOD Vots Gy X Vset VMOD I x Rx Multiply both sides of Equation 1 by gives Vo X lo Po Vots X Mod lo x Ry X lo Mod Io x Rx Po Vots X 1 lol Equation 1 Equation 2 Equation 3 Equation 4 Equation 5 Table 6 8 Example Modulation Table for Constant Power Output Control Type 0 VMOD Vdc Mod VMOD Vo Vd
91. ister SRE a mask register for the STB The register is described in Section 5 3 3 7 Read and Set Service Request Enable Register Standard Event Status Register ESR a latched register which is similar to STB except it provides more details The register is described in Section 5 3 3 4 Read Event Status Register Event Status Enable Register ESE mask register for the ESR The register is described in Section 5 3 3 5 Read and Set Event Status Enable Register 46 Calibration Panel es Register Panel oa File View Communication About Register Commands Output a GetQues A St ORtESR St St cetste 0 ARM ov Mask0 OPC Mask0 Unused 1 SS oc Mask1 Unused Mask1 Unused 2 LOCK PB Mask2 QE Mask2 Unused 3 INT PGM Mask3 DDE Mask3 Unused 4 EXT OT Mask4 EE Mask4 MAY 5 WTG FUSE Mask5 CE Mask5 ESB 6 STBY Unused Mask6 Unused Mask6 MSS E PAR ALM Mask PO Mask Unused 8 cy ILOC Results 9 RSEN REM Decimal Hex 10 cC Unused Binary 11 STBY ALM Unused k Uns UU Enter Value in Selected Format 13 Unused Unused Walue 14 Unused Unused Decimal Hex Binary Clear Save to File 15 Unused Unused 2 Format 2 Format E Format Figure 4 6 Register Panel As illustrated in the Register panel each column denotes a register value and the rows marked by the leftmost column are the bit positions The get button at the column heading will acquire the respective register va
92. ith the supply off set both rotary controls fully counterclockwise Press the V I DIS key and advance the voltage and current controls for the desired output voltage and the desired crossover current The crossover current is the current at which the power supply becomes a constant current source Connect the load and turn on the power supply The output voltage should be close to the voltage set point If a load change causes the current limit to be exceeded the power supply will automatically crossover to constant current output at the preset current limit setting and the output voltage will drop proportionately In setting the current limit allowance must be made for high peak currents which can cause unwanted crossover 3 1 2 Constant Current To select constant current output proceed as follows With the supply off set both rotary controls fully counterclockwise Press the V I DIS key and advance the voltage and current controls for the desired output current and the desired crossover voltage The crossover voltage is the voltage at which the power supply becomes a constant voltage source Connect the load and turn on the power supply The output current should be close to the current set point If a load change causes the voltage limit to be exceeded the power supply will automatically crossover to constant voltage output at the preset voltage limit setting and the output current will drop proportionately 3 1 3 Pulse Loading The p
93. l the output voltage The current set point over voltage trip and over current trip can be programmed in the same manner Referring to the Section 3 3 1 External 37 pin I O Pin Definitions for terminal identification use IREF EXT Pin 22 to program the current set point TVREF EXT Pin 4 to program over voltage trip and TIREF EXT Pin 23 to program over current trip The power supply has been calibrated to produce full scale output voltage and current with 10 0 V inputs at the external reference input terminals Furthermore over voltage and over current trip have been calibrated to trip at 110 full scale output voltage and current with 10 0 V inputs at the external reference input terminals Most commonly IREF EXT Pin 22 TVREF EXT Pin 4 and TIREF EXT Pin 23 are all jumpered together and tied to 10V REF Pin 21 3 3 2 2 External Current Source Programming To produce an external analog voltage reference to VREF EXT Pin 3 a current source is applied to a shunt resistor Using a 2 mA current source place a 10 0 K precision metal film resistor between VREF EXT Pin 3 and REF GND Pin 1 The input impedance between terminals 1 and 3 is 10 0 K and paralleling the additional resistor produces an equivalent resistance of 5 K The 2 mA current source will produce 10 0 V at the external voltage reference input which will produce full scale output voltage The current set point over voltage trip and over current trip can be p
94. l the trigger subsystem receives a trigger or is aborted with an ABORt command In order for VOLT TRIG to be executed the trigger subsystem must be initiated see INIT VOLT and VOLT TRIG return presently programmed immediate and triggered voltage levels If no triggered level is programmed then the voltage level is returned for both values VOLT MAX and VOLT MIN return the maximum and minimum programmable immediate voltage levels 64 Source Commands VOLT TRIG MAX and VOLT TRIG MIN return the maximum and minimum programmable triggered voltage levels Command Syntax SOURce VOLTage LEVel IMMediate AMPLitude lt NRf gt SOURce VOLTage LEVel1 TRIGgered AMPLitude lt NRf gt Examples VOLT 200 VOLTAGE LEVEL 200 VOLTAGE LEVEL IMMEDIATE AMPLITUDE 2 5 VOLT TRIG MAX VOLTAGE LEVEL TRIGGERED 20 Query Syntax SOURce VOLTage LEVel1 IMMediate AMPLitude SOURce VOLTage LEVel IMMediate AMPLitude MAX SOURce VOLTage LEVe1 IMMediate AMPLitude MIN SOURce VOLTage LEVel TRIGgered AMPLitude SOURce VOLTage LEVel TRIGgered AMPLitude SOURce VOLTage LEVel1 TRIGgered AMPLitude MAX SOURce VOLTage LEVel TRIGgered AMPLitude MIN Returned Parameter lt NR2 gt Related Commands for VOLT SAV RCL RST Related Commands for VOLT TRIG ABOR VOLT RST 5 1 8 2 VOLT PROT Description This command sets the over voltage trip OVT le
95. le To meet this need a high slew rate option is available which has an output stage consisting of low capacitance film and aluminum electrolytic capacitors Applications for the high slew rate option include battery charging photovoltaic emulation power waveform generation and medium speed power pulsing These applications all benefit from higher bandwidth and in many cases can tolerate increased ripple voltage For photovoltaic emulation applications higher bandwidth and lower output capacitance enable improved performance with higher speed maximum power tracker algorithms Maximum power tracker circuitry deviates the operating point of photovoltaic arrays to determine maximum power output Slow responding emulation sources can present a problem when the speed of the algorithm Chapter 1 Product Information exceeds that of the source Furthermore with lower output capacitance changes in the operating point and transients caused by shorting the solar inverter input produce lower unwanted input currents The high slew rate option enables the power supply to operate as a low frequency power pulse generator With the special capacitors selected for this option it is possible to superimpose waveforms or produce a medium speed pulse on top of the dc output and expect normal capacitor life It is important to note that the power supply output is single quadrant that is the output voltage or current cannot reverse The tables below def
96. ltage Programming Accuracy 0 075 of full scale voltage OVT Programming Accuracy 0 075 of full scale voltage Current Programming Accuracy 0 075 of full scale current 0 075 of full scale current OCT Programming Accuracy Voltage Readback Accuracy 0 2 of full scale voltage Models Control Specifications 0 2 of full scale current 0 10 Vdc Current Readback Accuracy External Analog Programming and Monitoring Levels External Analog Output Impedances Voltage output monitoring 100Q Current output monitoring 100Q 10V reference 10 Input O to 5 Vdc 10kQ input impedance Output 0 to 5 Vdc 5 mA drive capacity External Digital Programming and Monitoring Limits Remote Sense Limits 3 maximum voltage drop from output to load Table 1 5 XR Series III Environmental Specifications Environmental Specifications 0 C to 50 C 25 C to 85 C Relative humidity up to 95 non condensing Ambient Operating Temperature Storage Temperature Humidity Temperature Coefficient 0 04 C of maximum output voltage 0 06 C of maximum output current Air Flow Side air inlet rear exhaust XR Series Ill Agency Approvals EN61010 1 2001 02 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use 2004 108 EC EMC Directive EN61000 6 3 2001 and EN61000 6 3 2001 General Emissions Standard
97. lue for the power supply The labels in each column indicate the meaning of each bit For example bit 5 in the Ques column will light if fuse alarm is activated The mask registers SRE and ESE can be modified via the set button in their column heading Enter the value in the Enter Value in Selected Format frame and then press the set button If no errors occur then the new value will appear after the get button is pressed The Results frame displays the returned register value in decimal hex and binary formats The Enter Value in Selected Format frame allows the user to specify the format for data entry The Output frame shows all communications with the power supply The Output frame can be cleared or saved to a file by pressing the clear button or the save to file button 4 5 Calibration Panel The Calibration Panel illustrated in Figure 4 7 Calibration Panel provides easy access and programmability for the digital potentiometers The Calibration Panel is password protected To enable changes enter 1234 for the password and then press the adjacent set button The five digital potentiometers can accept numbers from O to 255 Further commands include setting the potentiometer to the factory default setting and end calibration procedure The Output frame shows all communications with the power supply The Output frame can be cleared or saved to a file by pressing the clear button or the save to file button Voltage Scale and Curr
98. manufactured by Magna Power Electronics Inc shall carry the warranty of the original manufacturer and no more but under no circumstances to exceed the warranty period Replacement parts shall be warranted for a period of 90 days Warranty labor shall only apply if the product assembly or part is returned to the factory freight prepaid and insured Damage or breakage while in transit is not covered by this warranty Magna Power Electronics Inc assumes no responsibility to Buyer for labor to diagnose and remove defective product and installation of replacement product Furthermore Magna Power Electronics Inc is not liable to Buyer or to any third party for consequential or incidental damages under any circumstances whether due to defect in the product due to delay or failure of delivery due to a failure of the product to perform as specified or for any other reason or cause Buyer and Magna Power Electronics Inc agree that Buyer s sole remedy and Magna Power Electronics Inc s sole liability to Buyer is limited to repair replacement or refund of the purchase price of the product as described herein whether Buyer s claim arises out of contract or in tort All claims against the warranty shall be the final determination of Magna Power Electronics Inc 2 1 Claim for Damage in Shipping This instrument received comprehensive mechanical and electrical inspections before shipment Immediately upon receipt from the carrier and before ope
99. n Place a DC voltmeter across the output terminals of the power supply and place a second DC voltmeter to monitor VO2 the voltage between terminal 5 of JS1 positive and terminal 1 of JS1 negative Set the load to 50 rated output current at full scale voltage With only the control power applied adjust potentiometer P2 for 0 000 V at VO2 Using the up down V I DIS or TRIP DIS keys or RS232 remote interface set the output voltage to 50 full scale output Turn on the power supply and adjust potentiometer P1 until the output voltage matches the set point voltage Now set the output voltage to its full scale rating and measure the output voltage Adjust potentiometer P1 to equally divide the error between the half scale set point and the full scale point 3 6 1 3 Current Feedback Amplifier calibration Place a DC ammeter in series with the load of the power supply and place a DC voltmeter to monitor 102 the voltage between terminal 24 of JS1 positive and terminal 1 of JS1 negative Set the load to 100 rated output current at 90 full scale voltage With only the control power applied adjust potentiometer P4 for 0 000 V at 102 Using the up down V I DIS or TRIP DIS keys or RS232 remote interface set the output current to 50 full scale output Turn on the power supply and adjust potentiometer P3 until the output current matches the set point 40 Driver Board current Now set the output current to its full scale rating and meas
100. n Bit PON is set every time the power supply is reset It can be used to detect a power outage or power supply reset Query Syntax ESR Example ESR Return Parameter lt NR1 gt Register value Related Commands CLS ESE ESE Table 5 12 Event Status Register Abbreviation Description Operation Complete Not Used Query Error Device Dependent Error Execution Error Command Error Not Used Power On Event 1 after power on XA oO ON AJ w n e ofk a ke co A O m ojlo x 0 lt mimj m 5 3 3 5 Read and Set Event Status Enable Register Description This command programs the Event Status Enable Register ESE The programming determines which events of the Event Status Register ESR set the Event Status Bit ESB of the Status Byte Register STB A 1 in the bit position enables the corresponding event All of the enabled events of the ESE are logically OR d to cause the ESB of the STB to be set 76 IEEE 488 GPIB SCPI Commands and Registers Command Syntax ESE lt NR1 gt Example ESE 255 Query Syntax ESE Return Parameter lt NR1 gt Related Commands ESR STB 5 3 3 6 Read Status Byte Register Description This query reads the Status Byte Register STB defined in Table 5 13 Status Byte Register which contains the Master Status Summary MSS bit Event Status ESB bit and the Message Available MAV bit Unlike re
101. n Windows 64 bit operating systems or in C Program Files IVI Foundation lVI Drivers MPEIVI on Windows 32 bit operating systems Use of this driver is highly recommended for Visual C Visual C Visual Basic NET Visual Basic 6 0 LabVIEW LabWindows CVI MATLAB Measure Foundry and Agilent VEE Pro Getting Started Guides for implementing this driver are available from the IVI Foundation http www ivifoundation org As part of the prerequisite for the IVI Driver the IVI Foundation Shared Components must be installed as well as a VISA COM manager such as National Instruments NI VISA or Agilent IO Libraries Suite Sample projects are available for C and Visual Basic within the Visual Studio environment Contact suppor t magna power com for more information 92 Chapter 6 Applications XR Series III power supplies deploy several powerful programming functions that enhance performance for key user specific applications While the possibilities are endless a few examples are presented in this chapter to demonstrate the internal capabilities of the power supply All of these examples can be further expanded by operating the unit under computer control Modulation functions are available for models with the XR or D Version front panel while applications requiring local memory stepping are only available with the D Version front panel 6 1 Power Waveform Generation Magna Power Electronics programmable DC power supply supplies wi
102. nfiguration using software Programming mode settings are retained after power down 3 All analog pins must have a non zero reference voltage applied for the unit to operate properly Ensure that VREF EXT Pin 3 TVREF EXT Pin 4 IREF EXT Pin 22 and TIREF EXT Pin 23 are all set to a non zero voltage In most applications three of the four analog input references are jumpered to the 10V REF Pin 21 with the user supplied external reference signal used for the remaining signal Table 3 1 External 37 pin JS1 I O Terminal Definition Definition REF GND Definition EXT CTL Definition PGM LINE N P REF GND VREF EXT TVREF EXT FUSE START STANDBY PHASE LOSS VOLT CTL aj A 2 5V REF CAL m CLEAR STOP REF GND CONTROL OCT INT CTL oj N POWER THERMAL INTERLOCK o 10V REF IREF EXT TIREF EXT ISI ARM INTERLOCK SET 11 CUR CTL STANDBY ALM VMOD 102 oo 30 33 a 5V REF 3 3 1 External 37 pin I O Pin Definitions This section provides definitions for all the available pins on the External 37 pin JS1 Connector split into their respective categories based on functionality References and Grounds REF GND Pin 1 2 20 Reference ground 2 5V REF CAL Pin 6 2 5 Vdc reference voltage used for calibration purposes GND Pin 7 Earth ground 10V REF Pin 21 10 0 V reference supply relative to the REF GND pins Reference capable of
103. nr terminals is 100 O P O JS1 102 Joa vo2 5 IO 10V FS VO 10V FS REF GND 1 2 20 Figure 3 13 Monitoring output a voltage and b current 3 3 4 Digital Input Lines All digital input lines are connected to the 37 pin JS1 connector located on the rear panel As illustrated in Figure 3 14 Digital input control lines the digital input lines are START Pin 17 STOP Pin 19 CLEAR Pin 18 and INTERLOCK SET Pin 37 Functionally the digital input control lines emulate the functions on the front panel when external control is enabled indicated by the EXT CTL light on the front panel Enabling external control is described in Figure 3 6 Enable or disable external control mode All digital input lines are triggered by a external momentary pulsed 5 0 V signal If STOP Pin 19 is left high it will take presedence over the START Pin 17 signal 33 Chapter 3 Operation TO SLAVES P O JS1 oo O 448 CLEAR Lo Q3 INTERLOCK SET Lo i O 2L_ stop Loro OH START l O 26 45 Figure 3 14 Digital input control lines Interlock set requires a either a physical short between 5 0 V Pin 26 and INTERLOCK SET Pin 37 of connector JS1 or application of a 5 0 V source with the positive connection at INTERLOCK SET Pin 37 of JS1 and the negative connection at GND Pin 7 of JS1 One of these two connections must be made to enable operation of the
104. o an external sensor Modulation functionality may be used either by issuing SCPI commands as detailed in this section or by entering the values into a table from the RIS Panel software as detailed in Section 4 7 Modulation Panel The lookup table contains 4 columns and up to 50 rows it stores an output profile as a function of the analog input voltage applied to terminal 25 of JS1 VMOD As shown in Table 5 4 Modulation Table Parameters the first column stores the table row and the second column sets an analog input VMOD The third column store the Mod value associated with VMOD for that table row The fourth column of the lookup table Loc defines whether the table is stored in an active or temporary location Certain applications may need to transition between different tables while the power supply is still running For example emulation of solar panel s voltage current characteristics requires continuous external data acquisition along with quick and smooth table loading The modulation subsystem provides two storage locations Loc 0 or 1 to help improve table loading performance With Loc set to O data will be stored to the Active Table the table which is actively applied to the modulation function With Loc set to 1 data will be stored to the Cache Table the table intended to be accessed in the next in the profile During the power on cycle modulation tables stored in EPROM are copied into volatile RAM Modulation linearly
105. oltage The main contactor should turn off 41 42 Chapter 4 Remote Interface Software The Remote Interface Software is shipped with XR Series III programmable DC power supplies The software provides the user with a quick method to operate a Magna Power Electronics power supply under computer control The Remote Interface Software has six windows the Virtual Control Panel Command Panel Register Panel Calibration Panel Firmware Panel and Modulation Panel The Virtual Control Panel emulates the front panel of the XR Series power supply the Command panel programs and reads SCPI commands with user friendly buttons the Register Panel programs and reads registers the Calibration Panel enables calibration of the digital potentiometers the Firmware Panel enables the program stored internal to the power supply to be upgraded and the Modulation Panel eases programming of modulation parameters 4 1 Application Setup To communicate with the power supply the front panel version type of communication address and or port need to be specified The options are 1 Power supply series Select the appropriate version corresponding to the power supply front panel type 2 Communications interface RS232 RS485 IEEE 488 GPIB LXI TCP IP Ethernet simulated or others depending on future developments Figure 4 1 RIS Panel Configuration Setup displays the Applications Setup Window Address requirements are e RS232 Port e
106. oni ie ta ie i ee aa ee i iea a aiaa aa tiale 64 BO Status Commands naaar ain an an a chives AAEE r Eene AA aa ALAA iaae i Taa TAAN LARIE eii 68 5 1 10 System COMMAMNAS ci aiea a nia Aaa ai ea eae essa eeesaaeesaeeeeaaeesaaeeeaas 70 5 114 Tigger Commands a a ae eee ieee iia in eis 71 5 2 RS232 COMMUNICATIONS 2i 2 ceccenseececes ceveceaeaeategedstecaciageagaeescvecchagnateqadeadedcuageageceseeecs 72 5 3 IEEE 488 GPIB COMMUNICATIONS imriss iina ninaa aa eens ae anatia 73 5 3 1 IEEE 488 GPIB Communication using the Remote Interface Software 74 5 3 2 IEEE 488 GPIB Communications with MAX 0 cccceeeeeeeeeeeeeeeeeeeeeeaaeeeeeeeeanees 74 5 3 3 IEEE 488 GPIB SCPI Commands and Registers cccceeeeeeeeeeeeeeeeeeeeaeees 75 5 4 LXI TCP IP Ethernet COMMUNICATIONS ooccccccccnnccnnnncccnncnnnnccnnnncnnnannnonccnnnannnnarnnnncncnnnnns 80 5 4 1 Connectivity and IP Address Negotiation ocoooocccnoccccnccinncccnnnccnnnacinnannnnncncnnanns 81 5 4 2 LXI TCP IP Ethernet Control and Discovery Methods 0 cc eeeeeeeeeeeeeeeeeeees 82 5 4 3 LXI TCP IP Ethernet SCPI Commands ccoocccoccccnnccnnnccnnnccnnnnninncnnnnncncnnnnnnnannnnnnins 86 5 5 USB COMMUNICAIONS dreis e A oh Gaede A A a ah 89 5 5 1 USB Edge port l Setup cados cdta dicta 90 5 5 2 USB Edgeport 1 Communications Using the Remote Interface Software 90 5 6 R 5485 COMMUNICATIONS datada dia 90 5 6 1 485DSS Initial Se
107. ower supply is operating in current mode then the actual output current will be close to the current set point and the actual output voltage will be less than the voltage set point The TRIP DIS key displays over voltage trip and over current trip on the voltage and current display respectively The display reverts to displaying the actual output voltage and output current when the V DIS key is released MENU START POWER LED ON STANDBY LED OFF OUTPUT POWER ENABLED STOP STANDBY LED ON POWER LED OFF OUTPUT POWER DISABLED V I SET DISPLAYS VOLT SET ON VOLT DISPLAY DISPLAYS CUR SET ON CUR DISPLAY RETURNS TO NORMAL WHEN RELEASED TRIP SET DISPLAYS OVT SET ON VOLT DISPLAY DISPLAYS OCT SET ON CUR DISPLAY RETURNS TO NORMAL WHEN RELEASED CLEAR CLEARS ALL ALARMS LEDS EXCEPT FOR EXT TRIP STANDBY LED ON POWER LED OFF Figure 3 1 Run Mode Commands 3 2 2 Set Point Commands With the power supply configured for rotary input voltage and current set point commands are entered with the front panel potentiometers and over voltage trip and over current trip are entered with the up down arrow keys To set over voltage trip or over current trip press the MENU key The OVT over voltage trip LED will initially flash This indicates that an up down entry will create a new OVT set point Pressing the item key causes the OCT over current trip LED to flash indicating t
108. ower supply will automatically crossover from constant voltage to constant current operation or the reverse in response to an increase over the preset limit in the output current or voltage respectively With the preset limit set to the average output current or voltage high peak currents or voltages as occur in pulse loading may exceed the preset limit conditions and cause crossover to occur To avoid this unwanted crossover the preset limit settings must be set for the peak requirement and not the average 21 Chapter 3 Operation There are internal capacitors across the output terminals of the power supply These capacitors help to supply high current pulses of short duration during constant voltage operation Any capacitance added externally will improve the pulse current capability but will decrease the safety provided by the constant current circuit A high current pulse may damage load components before the average output current is large enough to cause the constant current circuit to operate 3 2 Front Panel Commands As shipped the XR Series III power supply is configured for local sensing rotary control internal programming and voltage input as specified on the rear serial label XRC Series III power supplies cannot be controlled through the front panel other than on off The front panel voltage and current controls set the boundary limits for output voltage and current respectively The following sections describe how
109. page for more advanced programming requirements The driver allows the power supply to communicate through many different programming languages and software environments namely Visual C Visual C Visual Basic NET Visual Basic 6 0 LabVIEW LabWindows CVI MATLAB Measure Foundry and Agilent VEE Pro Refer to Section 5 7 IVI COM Driver for further details XR Series III products purchased with optional LXI TCP IP Ethernet LXI or IEEE 488 GPIB GPIB interfaces have additional commands and programming instructions detailed in Section 5 4 LXI TCP IP Ethernet Communications and Section 5 3 IEEE 488 GPIB Communications respectively 5 1 SCPI Commands Standard Commands for Programmable Instrumentation SCPI are provided for Magna Power Electronics products These commands provide programming compatability with other instruments SCPI commands are ASCII textual strings which are sent to the instrument over the physical layer Commands are a series of one or more keywords many of which take parameters The subsections provide more details on all the supported commands For commands related to optional IEEE 488 GPIB interface and LXI TCP IP Ethernet interface refer to Section 5 3 3 IEEE 488 GPIB SCPI Commands and Registers and Section 5 4 3 LXI TCP IP Ethernet SCPI Commands respectively The following syntax is used in this manual SCPI Syntax Square Brackets Items within the square brackets are
110. pen dar Cos 91 Sh IVIECOM DIVEN erlt a a flv iva 92 6 Applications 93 6 1 Power Waveform Generation s sssssssrissrresritstitt ae essence n EESE ae eesaeeeeaaeeeseeeeaeeeeeaeeesaees 93 6 2 Leadless Remote Sensing oocccooocccnocnnoncnnonacnnnnonnnnnncnnncnonnnnonnanennnnonnnnnnnnrnnnnrnnnaninanass 94 6 3 Photovoltaic Cell Simulator cece cece cece cece eee ee eee ee eeee ae eeee ae eesaeeeesaeeeseeeesaeeeeaeeesaeees 94 6 4 Battery ChaTgeR untitled 95 6 5 Constant Power Operation ccceeeeeee ee ee cece cece tees caer seen seca eeee eee sa eeeeaeeeeaeeeeaaeeeseeeaaes 98 A Revision History 101 Preface 1 Safety Notice Before applying power to the system verify that the unit is configured properly for the user s particular application CE recognition of XR Series power supplies is based on rack mounted applications only Use of these power supplies outside of a rack mount equipment enclosure will expose the user to high voltage and or high current sources Extreme caution must be used under these circumstances Two or more XR Series power supplies may be connected in series Regardless of the number of units or the voltage ratings of the series connected power supplies the voltage potential from any output terminal to chassis ground should not exceed the product s isolation rating of 1000 Vdc Installation and service must be performed only by properly trained and qualified personnel who ar
111. ply capacitance by 5 Table 1 10 MT Series High Slew Rate Output Capacitance and Ripple Output Voltage Output Capacitance uF Output Ripple mVrms Range Vdc Note 1 For 500 kW models multiply capacitance by 2 2 For 750 kW models multiply capacitance by 3 3 For 1000 kW models multiply capacitance by 4 11 Chapter 1 Product Information Output Voltage Output Capacitance uF Output Ripple mVrms Range Vdc 20 4100 1000 32 16000 1400 50 16000 1500 80 16000 1500 100 8000 1500 125 8000 1500 160 8000 1500 200 3650 1750 250 3650 1750 375 1450 2000 400 1450 2000 500 1450 2000 600 1450 2000 800 1280 2000 1000 1280 2000 1250 320 3500 2000 320 3500 3000 160 4000 4000 160 4000 Note 1 For 500 kW models multiply capacitance by 2 2 For 750 kW models multiply capacitance by 3 3 For 1000 kW models multiply capacitance by 4 1 6 3 IEEE 488 GPIB Interface GPIB The IEEE 488 GPIB interface sometimes called the General Purpose Interface Bus GPIB is a general purpose digital interface system that can be used to transfer data between two or more devices It is particularly well uited for interconnecting computers and instruments Some of its key features are Up to 15 devices may be connected to one bus Total bus length may be up to 20 m and the distance between devices may be up to 2 m Communication is digital as opposed to analog and messages are sent one byte 8
112. ply saving all packing materials and included enclosures Inspect power supply for possible shipping damage Check that there are no broken knobs or connectors the external surface is not scratched or dented the meter faces are not damaged and all controls move freely Any external damage may be an indication of internal damage The following parts are included with all models XR Series III programmable DC power supply e RS232 cable e Rear metal cover with required fastening hardware e Printed XR Series III user s manual CD with software drivers and digital documentation Calibration certificate with declaration of conformity 2 2 Rack Installation and Cooling XR Series III power supplies are intended for rack mount installations only and are designed to fit in standard 19 equipment racks Additional support other than that provided by the front panel is required Angle slides or cross beam supports securely fastened to the rack are recommended for supporting the weight of the power supply The unit should be horizontally mounted Caution The power supply is too heavy for one person to safely lift and mount To avoid injury ask a co worker for assistance Each programmable DC power supply is cooled by suitable fans exhausting warm air to the rear of the cabinet Fresh air intake is from the sides of the cabinet allowing two or more XR Series III supplies to be stacked Equipment racks should be equipped with fans or blo
113. power down cycles This command allows this data to be recovered at the power on cycle Command Syntax MOD SAVE MODulation TABLe SAVE Examples MOD SAVE Related Commands MOD TABL LOAD 5 1 6 4 MOD TABL LOAD This command copies all data stored in the Cache Table to the Active Table The command provides two optional parameters for initiating the activate set points for voltage and current The command lets users quickly load tables and simultaneous change the power supply s output operating point Command Syntax MOD TABL LOAD lt NRF gt lt NRF gt Examples MOD TABL LOAD MODulation TABLe LOAD MODulation TABL LOAD 93 4 30 3 Related Commands MOD SAVE 5 1 7 Output Commands 5 1 7 1 OUTP Description This query returns the output state of the power supply A 1 indicates the power supply is energized and a 0 indicates the power supply is off Query Syntax OUTPut STATe Examples OUTP Returned Parameter O 1 Related Commands RST RCL SAV 62 Output Commands 5 1 7 2 OUTP ARM Description This command selects between the modes of operation There are two modes of operation for the power supply normal mode and auto sequence mode Normal mode energizes the current parameters of the supply until stopped Auto sequence mode sequentially steps through the memory updating the supply s parameters as it increments Each memory location contains the voltage set point current set
114. pply has exceeded the over current trip reference This condition causes the supply to shutdown into a fault state To clear this condition the user must press the clear button on the front panel with internal control enabled or by applying 5 0 V to CLEAR Pin 18 of JS1 with external control enabled To restart the supply after the fault has been cleared simply press the start switch A secondary over current trip diagnostic provides protection of internal circuitry due to abnormal line and load conditions or due to failed internal circuitry This over current trip condition requires the control power to be recycled by toggling the power switch off and on INT CTL Pin 33 Indication that front panel start stop and clear is activated for use OVT Pin 34 Indication that the supply has exceeded the over voltage trip reference This condition causes the supply to shutdown into a fault state To clear this condition the user must press the clear button on the front panel with internal control enabled or by applying 5 0 V to CLEAR Pin 18 of JS1 with external control enabled To restart the supply after the fault has been cleared simply press the start switch 3 3 2 External Analog Programming XR Series III programmable DC power supply allow voltage current over voltage trip and over current trip to be programmed from a external location Programming can be accomplished by voltage current or resistive programming circuits Figure
115. r on the terminating row is ignored The Output frame on the right of the window displays all of the communications with the power supply The Output frame can be cleared or saved to a file by pressing the clear button or the save to file button More details about the modulation functionality s principle of operation are available in Section 5 1 6 Modulation Commands 49 Chapter 4 Remote Interface Software R S s File View Communication About r Commands m Output Get Set Command Control Input Modulation Type LJ ie MOD TYPE SEL Get Set Command Row VMOD Mod _ _ MOD TABL Get Set Command Value _ MOD TABL SlewLIM m Modulation Parameters Control Input Get All Data Clear All Data Modulation Type Row VMOD Mod Save Table Load Table Save Output to File Clear Output Figure 4 9 Modulation Panel 50 Chapter 5 Computer Programming There is a versatile range of methods and interfaces that can be used to program the XR Series Ill programmable DC power supply from a computer or programmable logic controller Standard Commands for Programmable Instrumentation SCPI are provided for basic ASCII interfacing without any necessary drivers these commands are documented in Section 5 1 SCPI Commands In addition an IVI COM Driver is included with the installation CD and is available for download from the Magna Power Electronics web
116. rate STOP CAL STOP 5 1 4 Configuration Commands 5 1 4 1 CONT INT Description This command enables or disables the front panel switches and keys for start stop arm and clear The query command CONT INT returns the status of internal control Command Syntax CONFigure CONTrol INTernal lt bool gt Parameters 0 OFF 1 ON Examples CONF CONT INT ON CONT INT O Query Syntax CONFigure CONTrol INTernal 56 Configuration Commands Returned Parameter O 1 5 1 4 2 CONT EXT Description This command enables or disables the external inputs for start stop arm and clear The query command CONT EXT returns the status of external control Command Syntax CONFigure CONTrol EXTernal lt bool gt Parameters 0 OFF 1 ON Examples CONF CONT EXT ON CONT EXT 0 Query Syntax CONFigure CONTrol EXTernal Returned Parameter O 1 5 1 4 3 REM SENS Description This command sets voltage sensing to remote or local mode Remote sensing as described in Section 2 4 1 Remote Voltage Sensing improves the degradation of regulation which will occur at the load when the voltage drop in the connecting wires is appreciable The local sense mode monitors the voltage at the output terminals of the power supply The query command REM SENS returns the state of the sense lines Command Syntax CONFigure REMote SENSe lt bool gt Parameters 0 OFF 1 ON Examples CONF REM SENS
117. ration this instrument should be inspected visually for damage caused in shipment If such inspection reveals internal or external damage in any way a claim should be filed with the carrier A full report of the damage should be obtained by the claim agent and this report should be forwarded to us We will then advise you of the disposition to be made of the equipment and arrange for repair or replacement When referring to this equipment always include the model and serial numbers 2 2 Returning Equipment Before returning any equipment to the factory the following steps should be observed Contact our technical service department or file a RMA request http www magna power com support rma request Give a full description of the difficulty and include the model and serial number of the unit Upon receipt of this information we will give you service information or shipping instructions e Packaging and method of shipment must be coordinated with the factory to insure safe delivery All equipment returned for repair requires a Return Authorization Number and must be insured No returns will be accepted without assignment of a Return Authorization Number For non warranty repairs we will submit a cost estimate for your approval before proceeding 3 Declaration of Conformity The Declaration of Conformity is included with all products on the calibration certificate An additional digital copy is available by request at no charge for
118. rminal Definition Connector JS3 All the commands detailed in Section 5 1 SCPI Commands are supported over RS232 K When using external converters that utilize the RS232 port the settings from Table 5 9 RS232 Interface Configuration must be used or the product will not communicate Table 5 9 RS232 Interface Configuration Parameter Baud Rate Data Size Parity None 72 IEEE 488 GPIB Communications Parameter Value 1 Stop Bits Flow Control Off Cable Type Straight through Table 5 10 RS232 Terminal Definition Connector JS3 Definition NC DTR RTS 5 3 IEEE 488 GPIB Communications XR Series Ill power supplies are available with an optional IEEE 488 GPIB interface When specified at time of order an IEEE 488 GPIB interface module is installed internally to make a second UART port available for communications With two UART ports available RS232 and IEEE 488 GPIB the one first receiving communications after power on is the port that is activated Once activated the other UART port cannot be recognized unless there has been a period of inactivity for 5 minutes After this period a new UART port can be recognized by sending communications The IEEE 488 GPIB terminal connector JS4 is detailed in Table 5 11 IEEE 488 GPIB Terminal Definition Connector JS4 Table 5 11 IEEE 488 GPIB Terminal Definition Connector JS4 Pin Def
119. rogrammed in the same manner Referring to the Section 3 3 1 External 37 pin I O Pin Definitions for terminal identification use IREF EXT Pin 22 to program the current set point TVREF EXT Pin 4 to program over voltage trip and TIREF EXT Pin 23 to program over current trip The power supply has been calibrated to produce full scale output voltage and current with 10 0 V inputs at the external reference input terminals Furthermore over voltage and over current trip have been calibrated to trip at 110 full scale output voltage and current with 10 0 V inputs at the external reference input terminals Most commonly IREF EXT Pin 22 TVREF EXT Pin 4 and TIREF EXT Pin 23 are all jumpered together and tied to 10V REF Pin 21 3 3 2 3 External Resistive Source Programming Resistive programming requires connection of an external potentiometer or resistors between 10V REF Pin 21 VREF EXT Pin 3 and REF GND Pin 1 of the JS1 connector 10V REF Pin 21 External Analog Monitoring is a 10 0V precision reference REF GND Pin 1 is the reference ground and VREF EXT Pin 3 is the voltage set point input Like front panel rotary control the precision reference produces a voltage across the potentiometer or resistors which is then used to produce the voltage set point Metal film resistors or a wire wound potentiometer will result in the lowest temperature coefficient The current set point over voltage trip and over curr
120. round on the input side of the power supply 39 Chapter 3 Operation 2 Over current trips and power supply cannot be reset An auxiliary over current detector limits input DC link current Exceeding safe levels will cause an over current diagnostic condition that cannot be reset e Restart the supply Transient voltages on the input voltage could have caused the problem e Check diodes D1 through D4 on the secondary side of transformer T1 Check for a shorted winding on transformer T1 Check for failed IGBT s in the chopper and current fed inverter circuitry 3 Unit goes to high output immediately after starting Check for loose connectors internal to the power supply 4 High ripple voltage e Check the mains voltage for balance and magnitude 3 6 Calibration 3 6 1 Contol Board The control board contains digital potentiometers for fine adjustments of the reference and feedback amplifiers These potentiometers may be adjusted by using the front panel controls described in Section 3 2 4 Calibration Commands These potentiometers can also be adjusted by using the Calibration Panel of the Remote Interface Software described in Section 4 5 Calibration Panel 3 6 1 1 Reference Amplifier Calibration Connect a voltmeter between terminal 6 of JS1 positive and terminal 1 of JS1 negative With only the control power applied adjust potentiometer P5 for a 2 5006 V 3 6 1 2 Voltage Feedback Amplifier Calibratio
121. s ExClient public static void main String args throws Exception InitialContext iniCtx new InitialContext Object ref inictx lookup EchoBean EchoHome home EchoHome ref Echo echo home create System out printin Created Echo System out println Echo echo Hello echo echo Hello Terms and definitions are highlighted as follows Sample title for reference and definition list Sample Term Sample Definition 5 Getting Help and Giving Feedback 5 1 Additional Support If you experience difficulty with a procedure described in this documentation visit the Magna Power Electronics Support Portal at http www magna power com support Through the Support Portal you can e Search or browse through a knowledge base of technical support articles about Magna Power Electronics products e Access the most up to date searchable and browseable product documentation such as this User s Manual e Review application notes and guides for key product applications 5 2 Feedback If you find a typographical error in this manual or if you have an idea how to make this manual better we would like to hear from you Please submit an email report to support magna power com against the product XR Series Ill When submitting a bug report be sure to mention the manual s identifier XR Series III User Manual If you have a suggestion for improving the documentation try to be as specific as possible when de
122. s can accept responsibility for personal injury consequential injury loss or damage resulting from improper use of the equipment and accessories 2 Limited Warranty The following is made in lieu of all warranties expressed or implied Magna Power Electronics Inc warranties its products to be free of manufacturing defects for a period of two 2 years from date of original shipment from its factory Magna Power Electronics Inc will repair replace or refund the purchase price at its discretion which upon examination by Magna Power Electronics Inc is determined to be defective in material or workmanship providing such claimed defective material is returned upon written authorization of Magna Power Electronics Inc freight prepaid For products failing within the first 30 days of the warranty period Magna Power Electronics Inc will return the repaired product at its expense using a standard shipping method after 30 days of the Preface warranty period the repaired product will be returned at the customer s expense using the customer s requested shipping method Damage due to corrosion customer alterations excessive dust extreme environmental or electrical conditions and or misuse will be evaluated upon inspection If inspection reveals that the cause of damage is not due to materials or workmanship repair of the product will be treated on a non warranty basis All electrical commercial supply parts and items not
123. s the adjusted output voltage as a function of the modulation operator 2 lois the adjusted output current as a function of the modulation operator 3 Vref is input voltage set point reference 4 Irefis input current set point reference 5 VMOD is the input modulation set point reference 6 Gis the system gain as define by the full scale output voltage Vts divided by the maximum input voltage set point reference Vret max 7 Gjis the system gain as define by the full scale output current lfs divided by the maximum input current set point reference lref max Mod VMOD modulation can be an expression constant or other numerical operator A user friendly method chosen by Magna Power Electronics is a table based algorithm using piecewise linear approximation This numerical method allows linear or non linear modulation to be introduced simply be defining the constants in a table Command Syntax MODulation TYPE SELect lt NR1 gt lt NR1 gt Examples MOD TYPE SEL 1 0 MOD TYPE SEL 2 1 MODulation TYPE SELect 0 Query Syntax MODulation TYPE SELect Returned Parameter lt NR1 gt lt NR1 gt 5 1 6 2 MOD TABL This command programs the user defined modulation table described in Section 5 1 6 1 MOD TYPE SEL The feature allows the user to program non linear output voltage and current 60 Modulation Commands profiles to fit their application needs such as source emulation or output adjustments with respect t
124. s to be summed along with that of the master power supply e Jumper connection between CONTROL Pin 31 of the master and slave power supplies connects the control lines between the master and slave power supplies Command of the control line is automatically selected with the jumper connections e Jumper connection between REF GND Pin 2 VREF EXT Pin 3 IREF EXT Pin 22 of the slave power supplies to REF GND Pin 2 of the master power supply enables control of the slave power supplies from the master power supply e Jumper connection between POWER Pin 8 of the master power supply to START Pin 17 of the slave power supplies connects the power output digital control line of the master power supply to the start digital control line of the slave power supplies This connection causes slave units to turn on when the master unit is turned on e Jumper connection between STANDBY ALM Pin 12 of the master power supply and STOP Pin 19 of the slave power supplies connects the STANDBY ALM digital control line of the master power supply to the STOP digital control line of the slave power supplies This connection causes the slaves units to turn off when the master unit is turned off or when a diagnostic condition appears e Jumper connections between TVREF EXT Pin 4 10V REF Pin 21 and TIREF EXT Pin 23 of the slave power supplies sets the slave voltage trip and over current trip set points just beyond full scale values The slave power
125. scribing it If you have found an error please include the section number and some of the surrounding text so we can find its location viii Chapter 1 Product Information This chapter introduces the technology behind the XR Series III Programmable DC Power Supply 1 1 Key Features Magna Power Electronics XR Series III combines the best of DC power processing with microprocessor embedded control Magna Power Electronics innovative power processing technology improves response shrinks package size and reduces cost XR Series III power supplies are current fed and are more tolerant to abusive loads than conventional switching power supplies XR Series III power supplies can operate as a voltage source or a current source depending on the control settings and load conditions If the power supply is operating as a voltage source and the load increases to a point beyond the current command setting the power supply automatically crosses over to current mode control and operates as a current source at that setting XR Series III power supplies incorporate an optically isolated feedback system The result is that all user interface circuitry is referenced to earth ground not the negative terminal of the power supply This enables users to connect external circuitry without concern of ground loops or voltage breakdown up to the full isolation rating of the power supply XR Series III power supplies offer both master slave parallel and ser
126. sing the Virtual Control Panel from within the Remote Interface Software 19 20 Chapter 3 Operation XR Series III power supplies are normally shipped with its configuration set for rotary mode front panel input local sensing internal control and external control This configuration is set by front panel commands described in Section 3 2 3 Configuration Commands or by software With this configuration the unit can operate in either constant voltage or a constant current output using the front panel controls XR Series III power supplies with the C Version front panel are configured for external control and remote enabling RS232 IEEE 488 GPIB GPIB LXI TCP IP Ethernet LXI or Edgeport USB USB communications The front panel voltage and current controls set the boundary limits for output voltage and current respectively The impedance of the load determines whether the unit is voltage or current controlled and the illumination of the respective mode indicator lights indicate the state The power supply will make a seamless autocrossover from voltage mode to current mode control as warranted by the set points and or load impedance If either control is set to maximum counter clockwise rotation the other control will have little or no effect forcing either a zero voltage limit or Zero current limit 3 1 Output Regulation Modes 3 1 1 Constant Voltage To select constant voltage output proceed as follows W
127. supplying a maximum of 25 mA This pin is typically used as a reference to fix analog input pins to a desired value 5V REF Pin 26 5 0 V reference supply relative to the REF GND pins Reference capable of supplying a maximum of 25 mA 28 External 37 pin I O Pin Definitions ISO Pin 16 CONTROL Pin 31 ISI Pin 35 Control references used for master slaving only Analog Programming Input The analog programming pins operate on a 0 10 Vdc scale with an input impedance of 10 kQ VREF EXT Pin 3 External voltage set point reference 0 10 Vdc proportional to the power supply output voltage O Vdc on VREF EXT is equivalent to O Vdc output voltage and 10 Vdc is equivalent to 100 full scale output voltage TVREF EXT Pin 4 External over voltage trip set point reference 0 10 Vdc proportional to the power supply output voltage 0 Vdc on TVREF EXT is equivalent to O Vdc trip reference and 10 Vdc is equivalent to 110 full scale voltage over voltage trip IREF EXT Pin 22 External current set point reference 0 10 Vdc proportional to the power supply output current O Vdc on IREF EXT is equivalent to O Adc output current and 10 Vdc is equivalent to 100 full scale output current TIREF EXT Pin 23 External over current trip set point reference 0 10 Vdc proportional to the power supply output current O Vdc on TIREF EXT is equivalent to O Adc trip reference and 10 Vdc is equivalent to 110 full scale current o
128. t produces a voltage drop across the 10 K input impedance at the modulation input Table 6 6 Battery Charging Temperature Compensation per Cell provides the recommended charge voltage deviation per cell as a function of temperature Table 6 7 Modulation Table for a Temperature Compensated Battery Charger Control Type 1 defines the modulation parameters for applying temperature compensation to a standard 12 V lead acid battery using a Magna Power Electronics power supply rated for 20 Vdc and 250 Adc maximum The modulation control parameter should be set to voltage control and modulation type should be set to 1 Table 6 4 Charging Programming and Characteristics Parameter Step 1 Bulk Step 2 Step 3 Step 4 Float Charge Absorption Equalization Charge Charge Charge Notes Vbc Bulk charge voltage Vec Equalize charge voltage Vfc Float charge voltage Imbc Maximum bulk charge current 25 of AH capacity maximum Imec Maximum equalization charge current 10 of AH capacity maximum 96 Battery Charger Parameter Step 1 Bulk Step 2 Step 3 Step 4 Float Charge Absorption Equalization Charge Charge Charge Voltage Set Vbc Vbc Vec Vic Current Set Imbc Imbc Imec Imec OVT 105 Vbc 105 Vbc 105 Vec 105 Vic OCT 110 Imbc 110 Imbc 110 Imec 110 Imec Period 6 hours 6 hours 1 hour Mode of Control Current Voltage Current Voltage Voltage Notes Vbc Bulk charge voltage Vec Equalize
129. t then be repeated prior to further trigger commands If INIT CONT is ON then the trigger subsystem is continuously enabled INIT CONT returns the state of the continuous trigger mode Command Syntax INITiate IMMediate INITiate CONTinuous lt bool gt Parameters for INIT IMM None Parameters for INIT CONT 0 OFF 1 ON Examples INIT INITIATE IMMEDIATE INIT CONT 1 71 Chapter 5 Computer Programming INITIATE CONTINUOUS OFF Query Syntax for INIT IMM None Query Syntax for INIT CONT INIT CONT Returned Parameter O 1 Related Commands ABOR RST TRIG 5 1 11 3 ABORt Description This command cancels any trigger actions presently in process Any pending trigger levels are reset to their immediate values ABORt also resets the WTG bit in the Operation Register If initiate continuous is enabled INIT CONT ON the trigger subsystem immediately re initiates itself after ABORt thereby setting WTG ABOR is executed at power turn on and upon execution of RCL or RST Command Syntax ABORt Examples ABOR Related Commands INIT TRIG RCL RST 5 2 RS232 Communications All Magna Power Electronics products come standard with RS232 communications which provides the simpliest means to communicate with the power supply The RS232 configuration settings are detailed in Table 5 9 RS232 Interface Configuration The RS232 terminal connector JS3 is detailed in Table 5 10 RS232 Te
130. tage and current Each unit will display its own individual voltage and current Installation requires setting jumpers placing included 37 conductor cables between the UID47 and power supplies and wiring the power supply outputs in either parallel or series The UID47 can be used as an interface for connecting control and monitoring lines to external circuitry It also contains an area on the printed circuit board for interconnecting wires and placing components for specific user applications The key features for the UID47 are as follows e Compatible with all Magna Power Electronics power supplies e Plug and play interface for series and parallel master slave operation User configurable screw terminal connector Pad area for custom circuitry e 2 6 foot 37 pin cables included 1 6 6 USB Edgeport USB Edgeport USB to serial converters offer instant I O expansion for peripheral device connectivity An out of the box external alternative to PCI cards Edgeport makes it easy to add serial port to a PC server or thin client in minutes without opening the chassis reconfiguring or rebooting the system The USB Edgeport device plugs directly into the back of the power supply creating a seamless USB interface Feature rich design reliability and unmatched operating system support make Edgeport USB to serial converters ideal for mission critical enterprise applications An USB cable is included along with associated drivers on the Magna
131. tage trip LED will initially flash Then press the item key 2 times The voltage display will flash conF configure Press the enter key to select configure commands The REM SEN remote sense LED will initially flash To choose remote sense press the enter key or to select other configuration commands press the item key Each press of the item key will cause the another LED to flash The order is REM SEN remote sense illustrated by Figure 3 4 Enable or disable remote sense functionality INT CTL internal control local START STOP CLEAR ARM functions illustrated by Figure 3 5 Enable or disable internal control mode EXT CTL external control external START STOP CLEAR ARM functions illustrated by Figure 3 6 Enable or disable external control mode ROTARY illustrated by Figure 3 7 Enable or disable rotary input mode EXT PGM external program illustrated by Figure 3 8 Enable or disable external program input mode REMOTE illustrated by Figure 3 9 Enable or disable computer input mode and LOC interlock illustrated by Figure 3 10 Enable or disable external interlock functionality Further item key presses will cycle the menu back to the beginning item REM SEN All of these commands must be made when the power supply is in the standby or alarm mode state In addition all of the configuration commands can be made from software using SCPI commands Remote sense internal control external control and
132. tem key until rEt return appears in the voltage display Press the enter key to exit the calibration menu 3 3 External 37 pin JS1 I O Programming and Operation All Magna Power Electronics programmable DC power supplies come standard with 37 pin isolated analog and digital control which maps nearly all available monitoring and programming functions in a standard DB 37 connector arrangement The 37 pin connector labeled JS1 and defined in Table 3 1 External 37 pin JS1 I O Terminal Definition is located on the rear of the power supply To use external programming there are three initial setup requirements 1 Configure the power supply for external programming mode This programming mode is enabled when EXT PGM is illuminated on the front panel allowing the power supply to receive voltage and current set points from an analog voltage Refer to Section 3 2 3 Configuration Commands for configuration from the front panel or Chapter 5 Computer Programming tor configuration using software Programming mode settings are retained after power down 2 Configure the power supply for external control This control mode is enabled when EXT CTL is illuminated on the front panel allowing the power supply to receive start stop and clear 27 Chapter 3 Operation commands from an external digital signal Refer to Section 3 2 1 Run Mode Commands for configuration from the front panel or Chapter 5 Computer Programming for co
133. ter value Table 5 5 Bit Configuration of the Operation Register Weight 0 1 ARM Abbreviation Description Arm Soft Start Locked Status Commands Bit Abbreviation Description 3 Internal Control 4 External Control 5 Interface is Waiting for Trigger 6 Standby 7 Power 8 Constant Voltage 9 RSEN Remote Sense 10 CC Constant Current 11 STBY ALM Standby or Alarm 12 15 Not Used 5 1 9 2 STAT QUES COND Description This query returns the value of the Questionable Register The Questionable Register is a read only register that holds the real time unlatched condition of the questionable status of the power supply The bit configuration of the Questionable Register is shown in the Table 5 6 Bit Configuration of the Questionable Register Query Syntax STATus QUEStionable CONDition Examples STAT QUES COND STATUS QUESTIONABLE CONDITION SOUR PER MAX Returned Parameter lt NR1 gt Register value Table 5 6 Bit Configuration of the Questionable Register Weight Abbreviation Description Over Voltage Tripped Over Current Tripped Phase Balance Protection Tripped Program Line Protection Tripped Over Temperature Protection Tripped Fuse Protection Tripped Not Used Alarm Protection Tripped Interlock Remote Not Used 10 15 69 Chapter 5 Computer Programming 5
134. th the D Version front panel can be programmed to operate as a power waveform generator Note This function is not available on XR Series products Each memory state needs to be programmed for the desired voltage or current for a specific time period An example of a power waveform generator and its corresponding programming values are shown in Figure 6 1 Sawtooth Output Voltage and Table 6 1 Ramp Generator Sequential Step Program respectfully In this particular example the voltage set point is changed in 10 second intervals while the current over voltage trip and over current trip are kept constant To make the power supply repeat the voltage ramp a time period of 9998 is entered for step 9 The programming causes the memory state to jump back to O after completing step 8 To start the ramp generator set the power supply to memory state 0 press the arm key and then the start key Press the stop key to terminate operation O 40 35 LU 0 30 OUTPUT 0 0 0 0 0 0 00 110 OT TOA OTN OR OO Tr MEMORY Figure 6 1 Sawtooth Output Voltage Table 6 1 Ramp Generator Sequential Step Program Voltage Set Current Set Over Voltage Over Current Period s Vdc Adc Trip Vdc Trip Adc 200 55 220 200 55 220 93 Chapter 6 Applications Memory Voltage Set Current Set Over Voltage Over Current Period s Vdc Adc Trip Vdc Trip Adc 35 55 220 10 40 55 220 10
135. then automatically crossover to voltage mode control when the batteries reach the desired set point Using remote programming features the power supply can be programmed for time dependent sequential step operation to equalize and float charge the batteries after bulk charging Equalization is generally not required for every charge cycle Table 6 4 Charging Programming and Characteristics illustrates the different charging steps and Table 6 5 Battery Charging per Cell provides the recommended charging voltage per cell for different battery technologies D1 k VO VO JS2 voinen 12 vay ves VO1REM Cl a MULTIPLEXER P O JS1 O REF ut AD592 VMOD 25 A O VMOD Figure 6 4 Battery Charger with Temperature Compensation Caution All battery parameters presented in this section are guidelines and the user should refer to and use manufacturer s specifications in any battery charging application A temperature detector can be applied to the modulation input to adjust the set point voltage with temperature In this example the temperature sensor integrated circuit U1 is a two terminal device that produces a current proportional to temperature This device AD592 is manufactured by Analog Devices The temperature detector place between terminals 21 and 25 of connector JS1 produces a temperature dependent current This curren
136. thernet device 44 Virtual Control Panel 4 2 Virtual Control Panel Figure 4 4 Virtual Control Panel illustrates the Virtual Control Panel for the D Version front panel models Other displays are available for the XR front panel and the A Version front panel The Virtual Control Panel emulates front panel commands and provides the means to control the C Version front panel models E Virtual Control Panel fo a File View Communication About DC VOLTAGE DC CURRENT MEM POWER 0 00 O O O MENU DISPLAY alee z 3 REM SEN LOC PGL PHL THL OVT OCT FSE ARM a ARN G CTL E ET BL EXT CTL ROTARY STOP ae eb KEYPAD EXT PGM VOLTAGE CURRENT DN CLEAR REMOTE MAGNA POWER L ELECTRONICS ENTER Figure 4 4 Virtual Control Panel 4 3 Command Panel The Command Panel is illustrated in Figure 4 5 Command Panel The Command Panel is organized into three groups commands and queries requiring data input commands with only command syntax and commands with only query syntax The Output frame on the right of the window echoes the SCPI command used to communicate with the power supply This feature provides the user with the proper syntax for each command The Output frame can be cleared or saved to a file by pressing the clear button or the save to file button Commands in gray are not accessible with the particular configuration 45 Chapter 4 Remote Interface Software
137. tings 5 3 2 IEEE 488 GPIB Communications with MAX National Instruments offers Measurement and Automation Explorer MAX a Graphical User Interface as a terminal emulation program for configuring an Interchangeable Virtual Instrument IVI MAX is usually installed with one of National Instrument s Application Development Environments such as LabVIEW Measurement Studio or with hardware product drivers such as NI 488 and NI DAQ To operate the power supply with MAX the instrument must first be located for communications The following steps describe this procedure 1 Run the MAX application program 2 Inthe Configuration window press the sign to the left of Devices and Interfaces to view the installed devices 3 If there is more than one IEEE 488 GPIB device listed then select the correct GPIB device 4 Press Scan for Instruments on the menu bar and wait several seconds 5 Atleast one instrument should appear under the GPIB controller If no instruments appear then refer to Section 5 3 IEEE 488 GPIB Communications to verify the correct setup 74 IEEE 488 GPIB SCPI Commands and Registers 6 On the menu bar press Communicate with Instrument The NI 488 Communicator dialog box should appear 7 Inthe NI 488 Communicator dialog box press the Configure EOS button The Termination Method dialog box should appear Select the option Send EO at end of Write Enter 0 into th EOS byte e Press OK 5 3 3 I
138. tion Direct The simplest parallel connection involves attaching the positive terminals of all supplies to be paralleled to the positive point of the load and attaching the negative terminals to the negative point of the load The output current controls of each power supply can be separately set The output voltage control of one power supply master should be set to the desired output voltage the other power supply slave should be set for a slightly higher output voltage The master will act as a constant voltage source the slave will act as a constant current source dropping its output voltage to equal that of the master 35 Chapter 3 Operation 3 4 1 2 Parallel Operation Master Slave Master slave parallel operation permits equal current sharing under all load conditions and allows complete control of output current from one master power supply Figure 3 16 Master Slave parallel connection illustrates the terminal connection for master slave parallel operation and salient control circuitry The control cable can be fabricated by the user or purchased as an option UID47 from the factory These connections perform the following functions e Jumper connection between ISO Pin 16 of the slave power supplies and ISI Pin 35 of the master power supply connects the slave power supplies current monitoring outputs to the master power supply current monitoring input This connection allows the current of all slave power supplie
139. tion that the power supply is in alarm condition resulting from a fault The alarm will need to be cleared before re enabling the output EXT CTL Pin 14 Indication that external start stop and clear is activated for use FUSE Pin 15 Indication that the fuse alarm is activated In units where circuit breakers are present in place of fuses an open circuit breaker connection will trigger the fuse alarm Fuse alarm is only applicable in TS Series MS Series and MT Series power supplies PGM LINE Pin 27 Indication that the voltage set point current set point over voltage trip or over current trip external input is set beyond the range of control greater than 12 50 V These lines are constantly monitored and if any of these references are set above the normal bounds program line diagnostics will disable the supply 30 External Analog Programming STANDBY Pin 28 Indication that the control circuits are powered but the supply is disabled through the AC contactor This is the power supply s normal off condition To start the supply press the start switch To place the supply in standby press the stop switch PHASE LOSS Pin 29 Indication that there s a problem with the power mains voltage Phase loss alarm is only applicable in XR Series TS Series MS Series and MT Series power supplies VOLT CTL Pin 30 Indication that the power supply is operating in voltage mode control OCT Pin 32 Indication that the su
140. to use all of the front panel features Front panel commands are broken into four groups run mode commands set point commands configuration commands and calibration commands Run mode commands Section 3 2 1 Run Mode Commands are used when the power supply has been configured for the desired application and the desired set points have been programmed into memory Set point commands Section 3 2 2 Set Point Commands include voltage set current set over voltage trip set and over current trip set All of these commands can be made when the power supply is in either the standby alarm or power mode state Configuration commands Section 3 2 3 Configuration Commands include local or remote sense internal and or external control remote interlock and mode of set point input There are three choices for set point inputs rotary or front panel potentiometers external analog signals through connector JS1 and remote computer communications RS232 through connector JS3 optional IEEE 488 through connector JS4 and optional LXI TCP IP Ethernet through JS5 Changes in configuration commands are only allowed when the power supply is in the standby or alarm state Calibration commands Section 3 2 4 Calibration Commands enable programming of internal digital potentiometers The digital potentiometers are used for calibrating the voltage reference and feedback amplifiers Calibration commands can be made when the power suppl
141. trical Code Temprature Rating of Copper Conductor 60 C 75 C 85 C 90 C Types Types Types Types Wire Size AWG RUW T TW FEPW RH RH V MI TA TBS SA RUH THW AVB SIS FEP THWN XHHW FEPB RHH THHN XHHW 1 0 2 0 3 0 4 0 250 MCM 300 MCM 350 MCM 420 505 25 40 60 80 105 120 140 165 195 225 260 300 340 375 ZW 30 50 70 95 125 145 170 195 230 265 310 360 405 445 Table 2 2 Suggested Ampacities of 4 Conductor Type S or SO Cable Wire Size AWG Maximum Current A DC Output Connections Wire Size AWG Maximum Current A 2 80 2 4 DC Output Connections Caution Disconnect AC power from the mains before attempting any installation procedure DC power is wired to the power supply by attaching two cables to the output bus bars Magna Power Electronics recommends cables as specified in Table 2 1 Suggested Ampacities of Conductors as Recommended by the National Electrical Code or Table 2 3 Suggested Ampacities of Welding Cable be crimped to ring terminals and securely fastened to bus bars using 3 8 bolts washers and lock washers The bus bars contain 3 8 16 threaded inserts After connections are made screw the four standoffs into the back panel and place the protective shield over the connections Caution Make sure connections are tight to avoid overheating of the bus bars
142. try mode to set over current trip Using the up down arrow keys enter an over current trip set point at half the rating of the power supply Once the over current trip set point has been entered press the enter key to save the information Press the start switch and slowly increase the current set point Over current trip should operate at the over current trip set point The over current trip OCT indicator should turn on the power and current control indicators should turn off and the supply should shut down Press the clear key Now set the over current trip set point to maximum which is 110 the full scale rating of the power supply Again start the supply and observe that the power supply operates normally If any of these events do not occur the supply is defective and should not be operated Depending on the circumstances either warranty service or trouble shooting is required 2 5 2 Electrical Check for Models with C Version Front Panel The electrical check for XR Series III products with the C Version front panel models require use of the Remote Interface Software described in Section 5 0 With the software installed and the power supply connected to the desired communications interface select XR Version in the Configuration Setup Panel Select the Virtual Control Panel in the View Menu to display the XR Version front panel Follow the procedure outlined in Section 2 5 1 Electrical Check for Models with XR Version Front Panel u
143. u have not authenticated the device already To authenticate enter admin for the username and leave the password field blank The instrument configuration screen Figure 5 2 Web interface configure panel will appear This page enables the user to change the Hostname which corresponds to the NetBIOS name the description password and TCP IP configuration After changes to the configuration are made click the Save Config button The configuration will be saved the Ethernet interface will reboot and instructions will be displayed for reconnecting to the interface Web control of the power supply requires Adobe Flash Player which is available for download from http get adobe com flashplayer To control the power supply click the Control tab in the upper right The browser may prompt for a username and password if you have not authenticated the device 82 LXI TCP IP Ethernet Control and Discovery Methods already To authenticate enter admin for the username and leave the password field blank The power supply s control panel will be displayed The screen displays the same status information as the front panel of the power supply and allows the user to control and read voltage current over voltage trip over current trip mode of operation and diagnostics Like the front panel a diagnostic condition can be cleared using the clear button Only one user can control the power supply at a time with the Remote Interface Software or the
144. ure the output current Adjust potentiometer P3 to equally divide the error between the half scale set point and the full scale point 3 6 2 Driver Board The driver board contains two potentiometers which are used to set under voltage and over current protection in the polyphase chopper circuitry These potentiometer do not normally need adjustment in the field 3 6 2 1 Over Curent Protection Over current protection should only be calibrated after consultation with the factory Caution Gross misadjustment can cause chopper and inverter failure Place a DC voltmeter between test point TP6 positive and test point TP7 negative With only the control power applied adjust potentiometer P1 to 6 00 V 3 6 2 2 Under Voltage Protection Under voltage protection should only be calibrated after consultation with the factory Caution Gross misadjustment can cause chopper and inverter failure Connect the power supply to an adjustable AC source and connect an ac voltmeter to monitor the voltage applied to the input terminals Tests can be performed under no load conditions Set the ac source to rated voltage Turn the control power press the start switch and a adust the output voltage to 10 full scale output Decrease the ac source to a value between 75 to 82 of rated voltage Adjust potentiometer P2 until the output drops to zero the transition will be abrupt Decrease the ac source to a value between 72 to 79 of rated v
145. ut to modulate the voltage or current setting using piecewise linear approximation This feature enables the voltage or current setting to be adjusted by a sensor input such as a thermistor or by monitoring its own voltage or current Modulation allows the output to be tailored for advanced process control applications battery charging and source emulation XR Series III models utilizing the C Version front panel only allow control from the 37 pin isolated I O RS232 IEEE 488 GPIB GPIB LXI TCP IP Ethernet LXI or Edgeport USB USB These models are intended for process control applications where front panel controls and displays are not required or desired Remote Interface Software is included to provide sophisticated computer control This software provides a virtual control panel to emulate the power supply s front panel a command panel to send and monitor SCPI commands a register panel to monitor registers a calibration panel to provide easy access to calibrate digital potentiometers a firmware panel to upgrade the control microprocessor and a modulation panel to easily program modulation parameters XR Series III models have extensive diagnostic functions all of which when activated take command to shut down the system Diagnostic functions include phase loss excessive thermal conditions over voltage trip over current trip and program line Program line monitors externally applied analog set point signals to insure they ar
146. vel of the power supply If the output voltage exceeds the OVT level then the power supply output is disabled and the Questionable Condition status register OV bit is set see Table 5 6 Bit Configuration of the Questionable Register An over voltage trip condition can be cleared with the OUTP PROT CLE command after the condition that caused the OVT trip is removed VOLT PROT returns presently programmed OVT level VOLT PROT MAX and VOLT PROT MINreturn the maximum and minimum programmable OVT levels Command Syntax SOURce VOLTage PROTection LEVel lt NRf gt Examples VOLT PROT 21 5 VOLTAGE PROTECTION LEVEL 145E 1 Query Syntax SOURce VOLTage PROTection LEVel SOURce VOLTage PROTection LEVel MIN SOURce VOLTage PROTection LEVel MAX 65 Chapter 5 Computer Programming Returned Parameter lt NR2 gt Related Commands OUTP PROT CLE RST SAV RCL 5 1 8 3 CURR and CURR TRIG Description These commands set the immediate current level or the pending triggered current level of the power supply The immediate level is the current programmed for the power supply output The pending triggered level is a stored current value that is transferred to the power supply output when a trigger occurs A pending triggered level is unaffected by subsequent CURR commands and remains in effect until the trigger subsystem receives a trigger or is aborted with an ABORt command In order for CURR TRI
147. ver voltage trip VMOD Pin 25 Modulation voltage input for non linear profile emulation or voltage current addition subtraction or multiplication factors Function available on the SL Series and XR Series products as well as units from the TS Series MS Series and MT Series with the D Version front panel Analog Monitoring Output The analog monitoring pins operate on a 0 10 V scale with an 100 output impedance VO2 Pin 5 Instantaneous output voltage reference 0 10 Vdc proportional to the power supply output voltage O Vdc on VO2 is equivalent to O Vdc output voltage and 10 Vdc is equivalent to 100 full scale output voltage 102 Pin 24 Instantaneous output current reference 0 10 Vdc proportional to the power supply output current 0 Vdc on 102 is equivalent to O Vdc output current and 10 Vdc is equivalent to 100 full scale output current Digital Programming Input The digital programming pins are triggered by a 5 0 V signal with a 10 kQ input impedance START Pin 17 Enables the power supply output The input contactors are engaged and the power supply will ramp up to the programmed set points CLEAR Pin 18 Clears a fault condition returning the power supply to standby 29 Chapter 3 Operation STOP Pin 19 Disables the power supply output The input contactors are disengaged and the power supply will ramp down to zero voltage and current ARM Pin 36 Activates autosequencing through memory states
148. wers to remove heat generated by the power supplies The manufacturer recommends fresh air intake at the bottom of the cabinet and exhaust at the top Cabinet fans and blowers should be rated at 300 CFM for each XR Series III supply Caution Blocking ventilation will cause the power supply to overheat 2 3 AC Input Connections Caution Disconnect AC power from the mains before attempting any installation procedure Grounding A safety ground wire must be connected to the unit as indicated by the protective ground symbol at the rear of the power supply 15 Chapter 2 Installation AC power is wired to the power supply by attaching three cables plus ground for 3 phase installations and two cables and ground for single phase installations The manufacture recommends cables as specified in Table 2 1 Suggested Ampacities of Conductors as Recommended by the National Electrical Code or Table 2 2 Suggested Ampacities of 4 Conductor Type S or SO Cable be crimped to ring terminals and securely fastened to the studs at the rear of the power supply After connections are made screw the four standoffs into the back panel and place the protective shield over the connections This power supply is designed to be permanently connected to the power source requiring a readily accessible disconnect device incorporated into the fixed wiring Table 2 1 Suggested Ampacities of Conductors as Recommended by the National Elec
149. y be changed by pressing Change Device s Settings 5 4 2 2 Web Browser The LXI TCP IP Ethernet interface has an embedded web server that allows the user to view and change the module s network settings and provides basic control of the power supply Magna Power Electronics LXI TCP IP Ethernet interface is LXI Class C compliant under LXI Standard Revision 1 2 To access the web server first determine the module s IP address via one of the discovery methods described in Section 5 4 2 1 Remote Interface Software Alternatively if the host computer supports NetBIOS over TCP IP you may use the device s NetBIOS name instead of the IP address Open a WC3 compliant web browser such as Microsoft Internet Explorer Firefox or Opera to http ipaddress or http name The instrument information screen will be displayed as shown in Figure 5 1 Web interface information panel This figure provides the basic information about the configuration and allows the user to enable or disable the LXI Identification Click Enable Identify or Disable Identify to change the state of the LXI Identification When LXI Identification is enabled the LAN LED on the back of the power supply unit will blink This can help the user to quickly locate the power supply and distinguish it from similar devices To change the Ethernet interface s network settings click the Configure tab in the upper right The browser will prompt for a username and password if yo
150. y is in either the standby alarm or power mode state Front panel programming commands are illustrated with programming charts This method of presentation maps the path to key commands describes front panel indicators as a result of key presses and illustrates anticipated results 3 2 1 Run Mode Commands Figure 3 1 Run Mode Commands illustrates run mode commands Run mode commands are used when the power supply has been configured for the desired application Pressing the START switch places the power supply in a power state The starting sequence consists of energizing the step start and main contactors followed by enabling of the power processing stages Once enabled output voltage and current increase to the set points established by the front panel external analog control or computer controlled remote communications Pressing the stop switch places the power supply in a standby state The power processing stages are disabled and the step start and main contactors are denergized The V I DIS key displays the voltage and current set points on the voltage and current display respectively The display reverts to displaying the actual output voltage and output current when the V DIS key is released If the power supply is operating in voltage mode then the actual output voltage will be close to the voltage set point and the actual output current will be less than the current set 22 Set Point Commands point If the p
151. y sending communications By default DHCP is enabled on the power supply In the absence of a DHCP server the power supply will default to the settings defined in Table 5 15 Default LXI TCP IP Ethernet settings without DHCP Server The LXI TCP IP Ethernet interface connector JS5 is detailed in Table 5 16 LXI TCP IP Ethernet Terminal Definition JS5 Table 5 15 Default LXI TCP IP Ethernet settings without DHCP Server Parameter IP Address 169 254 444 HHH Subnet Mask 255 255 0 0 Default Gateway 0 0 0 0 DNS Server 0 0 0 0 MAC Address 01 1E 6F 44 HH Table 5 16 LXI TCP IP Ethernet Terminal Definition JS5 i Definition 80 Connectivity and IP Address Negotiation Definition Ethernet communications can be made though the Remote Interface Software a terminal emulation programs like Microsoft Windows tm HyperTerminal Program 3rd party software or through a computer s web page browser In the latter case software programmed into the LXI TCP IP Ethernet interface module allows the power supply to be recognized and to communicate directly with the computer without the need for additional programs stored in the computer An IVI COM Driver is included with the installation CD and is available for download from the Magna Power Electronics web page The driver allows the power supply to communicate through many different programming languages The driver handles

XR Series III User Manual - Magna

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