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Features and Specifications

Specifications

17

Table 1.5

Specifications for XHR 1000 W Series Supply with RS-232 Interface Installed (7.5 V to 60 V)

Models

7.5-130

20-50

33-33

40-25

60-18

Program Resolution

Voltage
Current
OVP

1.2mV
18.3mA
1.2mV

3.1mV
7.1mA
3.1mV

5.1mV
4.7mA
5.1mV

6.2mV
3.6mA
6.2mV

9.3mV
2.6mA
9.3mV

Program Accuracy

1

Voltage

Current

OVP

1.

Apply accuracy specifications according to the following voltage program accuracy example:

Set a model 20-50 power supply to 10 volts.
The expected result will be within the range of 10 volts ± 50mV ± 0.12% of the set voltage of 10 volts.

10mV 
±0.12%
500mA 
±0.1%
80mV

75mV
±0.12%
250mA 
±0.1%
200mV

75mV
±0.12%
165mA 
±0.1%
330mV

75mV
±0.3%
140mA 
±0.15%
400mV

150mV
±0.25%
120mA 
±0.1%
600mV

Readback Resolution

Voltage
Current

1.2mV
18.3mA

3.1mV
7.1mA

5.1mV
4.7mA

6.2mV
3.6mA

9.3mV
2.6mA

Readback Accuracy

1

Voltage

Current

30mV
±0.12%
500mA 
±0.1%

75mV
±0.12%
250mA 
±0.1%

75mV
±0.2%
165mA 
±0.15%

75mV
±0.3%
140mA 
±0.15%

150mV
±0.25%
120mA 
±0.1%

Summary of Contents for RS232-XFR

Page 1: ...TM RSRF 01XN Rev B www programmablepower com Internal RS 232 Interface for XHR XFR Series Programmable DC Power Supplies Operating Manual RS232 XHR RS232 XFR RS232 XFR3 ...

Page 2: ......

Page 3: ...y Notice of Copyright Internal RS 232 Interface for XHR XFR Series Programmable DC Power Supplies Operating Manual 2007 AMETEK Programmable Power Inc All rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING AMETEK PROGRAMMABLE POWER INC AMETEK a MAKES NO WARRANTY AS TO THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANU...

Page 4: ...This page intentionally left blank ii ...

Page 5: ...personnel and equipment safety Always ensure that facility AC input power is de energized prior to connecting or disconnecting any cable In normal operation the operator does not have access to hazardous voltages within the chassis However depending on the user s application configuration HIGH VOLTAGES HAZARDOUS TO HUMAN SAFETY may be normally generated on the output terminals The customer user mu...

Page 6: ...y to the instructions of AMETEK is opened modified or disassembled in any way without AMETEK s consent or is used in combination with items articles or materials not authorized by AMETEK The Buyer may not assert any claim that the Products are not in conformity with any warranty until the Buyer has made all payments to AMETEK provided for in the Purchase Order Agreement PRODUCT RETURN PROCEDURE 1 ...

Page 7: ...ons 26 Transmit Receive Pin Selection 26 Remote Local Operation 27 Remote Local Mode Startup 27 Remote Mode Operation 28 Local Mode Operation 29 Remote Enable REN Command 29 Local Lockout LLO Command 30 RS 232 Connection 30 Power Supply Settings 31 User Options and Settings 32 OVP Selection 32 TTL Shutdown 33 User Signals 34 Connector J7 User Signals 34 J7 Cable Connection 35 Section 3 Operation I...

Page 8: ...LEDs 54 Section 4 Calibration Introduction 55 Voltage Mode Calibration 56 Voltage Calibration Setup 56 Voltage Program Calibration Procedure 56 Voltage Readback Calibration Procedure 57 Current Mode Calibration 58 Current Calibration Setup 58 Current Program Calibration Procedure 58 Current Readback Calibration Procedure 59 Over Voltage Protection OVP Calibration 60 ...

Page 9: ...nd the interface The RS 232 interface has an extensive command set and uses most of the user programmable features employed by all of our interfaces In addition to the RS 232 port and its interface this remote control application requires a computer based communications software package such as PROCOMM XTALK Windows Terminal Program equivalent communications software or low level or high level lan...

Page 10: ...ity isolation and auxiliary user defined output signals LED status signals error address remote local operation and over voltage protection Foldback in CV or CC mode with reset Software calibration Programmable Functions Output voltage and current Soft limits for voltage and current Over voltage protection Output enable disable Maskable fault interrupt Hold and trigger Output relay signals Readbac...

Page 11: ... 4mV 6 2mV 3 6mA 6 2mV Program Accuracy1 Voltage Current OVP 1 Apply accuracy specifications according to the following voltage program accuracy example Set a model 20 60 power supply to 10 volts The expected result will be within the range of 10 volts 75mV 0 12 of the set voltage of 10 volts 10mV 0 12 500mA 0 1 80mV 75mV 0 12 250mA 0 1 200mV 75mV 0 12 165mA 0 15 330mV 75mV 0 3 200mA 0 1 350mV 75m...

Page 12: ...e Current OVP 1 Apply accuracy specifications according to the following voltage program accuracy example Set a model 20 60 power supply to 10 volts The expected result will be within the range of 10 volts 75mV 0 12 of the set voltage of 10 volts 150mV 0 25 120mA 0 1 600mV 150mV 0 35 80mA 0 1 1 0V 225mV 0 35 80mA 0 1 1 5V 225mV 0 35 80mA 0 1 3 0V 300mV 0 35 75mA 0 1 6V Readback Resolution Voltage ...

Page 13: ...75mV 75mV 0 12 165mA 0 15 200mV 75mV 0 12 120mA 0 15 330mV 75mV 0 3 425mA 0 1 330mV 75mV 0 3 110mA 0 15 400mV Readback Resolution Voltage Current 1 2mV 11 3mA 3 14mV 4 3mA 5 1mV 2 6mA 5 1mV 13 0mA 6 2mV 2 2mA Readback Accuracy1 Voltage Current 1 Apply accuracy specifications according to the following voltage program accuracy example Set a model 20 130 power supply to 10 volts The expected result ...

Page 14: ...age Current OVP 1 Apply accuracy specifications according to the following voltage program accuracy example Set a model 20 130 power supply to 10 volts The expected result will be within the range of 10 volts 75mV 0 12 of the set voltage of 10 volts 150mV 0 3 80mA 0 1 600mV 150mV 0 35 80mA 0 1 1 0V 225mV 0 35 80mA 0 1 1 5V 225mV 0 35 75mA 0 1 3 0V 300mV 0 35 75mA 0 1 6V Readback Resolution Voltage...

Page 15: ...cifications according to the following voltage program accuracy example Set a model 20 50 power supply to 10 volts The expected result will be within the range of 10 volts 50mV 0 12 of the set voltage of 10 volts 10mV 0 12 500mA 0 1 80mV 75mV 0 12 250mA 0 1 200mV 75mV 0 12 165mA 0 1 330mV 75mV 0 3 140mA 0 15 400mV 150mV 0 25 120mA 0 1 600mV Readback Resolution Voltage Current 1 2mV 18 3mA 3 1mV 7 ...

Page 16: ...ram Accuracy1 Voltage Current OVP 1 Apply accuracy specifications according to the following voltage program accuracy example Set a model 20 50 power supply to 10 volts The expected result will be within the range of 10 volts 50mV 0 12 of the set voltage of 10 volts 150mV 0 35 80mA 0 1 1 0V 225mV 0 35 80mA 0 1 1 5V 225mV 0 35 80mA 0 1 3 0V 300mV 0 35 75mA 0 1 6V Readback Resolution Voltage Current...

Page 17: ...d the RS 232 interface printed circuit board PCB Initial Inspection On first receiving your unit perform a quick physical check Ensure each package contains a power supply with its RS 232 interface board installed and manuals for the power supply and the RS 232 interface Any additional parts shipped with the power supply will be identified in the supply s documentation Inspect the unit for any sig...

Page 18: ...ice Request LED SRQ Comes on at power up if the PON SRQ switch is set to on You can enable the SRQ LED during normal operation with the SRQ command Error LED ERR Indicates when a programming error has occurred You can clear the ERR LED with an error query command Fault LED FLT Indicates that a fault has occurred The fault bit must be unmasked Refer to the status register in Table 3 8 on page 52 Mo...

Page 19: ... board S1 Switch 1 1 2 3 Baud Rate Selection 1 4 Flow ON OFF Selection 1 5 XON Switch Hardware Software Flow Control Selection Error LED ERR Indicates that a programming error has occurred Clear with error query command J7 User Signal Connector RS 232 Connector Note On some models the subplate is rotated 180 degrees Address LED ADR Indicates that the unit is being addressed by the master controlle...

Page 20: ... on pin 3 J217 RS 232 flow control selection of RTS CTS ready to send clear to send or DTR DSR data terminal ready data set ready 1 3 4 6 default RTS input on pin 7 used with CTS output on pin 8 3 5 4 6 DTR input on pin 4 used with DSR output on pin 6 J218 RS 232 flow control selection of RTS CTS or DTR DSR 2 4 3 5 default CTS output on pin 8 used with RTS input on pin 7 2 4 1 3 DSR output on pin ...

Page 21: ... Selection on page 24 3 Remote Local Operation Use the rear panel PON REM switch to select remote or local startup of the power supply See Remote Local Operation on page 27 4 RS 232 Connection Connect the RS 232 cable assembly to the supply at connector J5 See RS 232 Connection on page 30 5 User Signal Connector Configure and use the J7 connector signals if required See Connector J7 User Signals o...

Page 22: ... 2 Switch S1 Settings for Baud Rate 0 OPEN OFF 1 CLOSED ON Note When resetting switches B3 B2 and B1 during a working session turn the power supply OFF and then ON again to ensure that the new settings are put into effect Flow Control Selection Flow control signals regulate data flow for proper communication Use the FLOW switch on the rear panel S1 switch to select flow control or to disable flow ...

Page 23: ... 232 cable The dedicated control line is needed so that the device can signal the controller when it is ready to receive data You can designate either RTS CTS or DTR DSR protocol for the RS 232 interface Set the XON switch for hardware control using the information in Table 2 4 With hardware flow control selected RS 232 Interface PCB jumpers J217 and J218 dictate the type of flow protocol Table 2 ...

Page 24: ...nnector to transmit or receive data You can set the pin orientation you want by changing the position of the J216 jumper on the interface PCB Table 2 8 shows the transmit receive pin selection on the RS 232 connector in relation to the settings of the J216 jumper See Figure 2 3 RS 232 Interface PCB on page 22 to locate jumper J216 Table 2 8 Jumper Settings for Transmit Receive Pin Selection Jumper...

Page 25: ...the control of the digital interface card The output of the power supply is active on startup To promote load safety power ON defaults are zero for the output voltage and current limit and 110 of maximum output voltage for the OVP trip point See Table 2 10 Refer to Section 3 for more information about the interface commands listed in the table If the rear panel PON REM switch is set to 1 the power...

Page 26: ...f how to use Local Lockout see Local Lockout LLO Command on page 30 To return to remote mode ensure that the REN command is set to ON and then send any valid device dependent command Since the remote mode output settings may be different from the local mode settings the output is programmed to protect the load by turning off when you toggle from local to remote mode during a session Check your rem...

Page 27: ...emote mode The default setting at startup is REN ON With the remote enable command set at REN ON you can return the power supply to remote mode whenever you send any command from the computer Any time that you change from local to remote mode during a session the output is programmed to turn off since the remote mode settings may be different from the local mode settings Send the OUT ON command to...

Page 28: ... an approved RS 232 connector and cable when connecting the RS 232 Interface to your computer The RS 232 connector uses the 9 pin mating connector J5 on the rear panel Figure 2 4 shows the connector pinouts for the RS 232 connector Refer to Figure 2 2 on page 21 for the position of the RS 232 connector on the rear panel subplate Figure 2 4 RS 232 Connector J5 Pinouts default configuration LLO Set ...

Page 29: ...nication settings Make sure that the settings of the computer and of the power supply agree with those shown in Table 2 11 Table 2 11 Power Supply Settings Parameter Setting Transmission Asynchronous Mode Full Duplex Speeds 75 150 300 600 1200 2400 4800 9600 Parity None Connector DB9 pin Male Start Bit 1 Stop Bit 1 Data Bits 8 Protocols XON XOFF CTS RTS DSR DTR NONE ...

Page 30: ...mplete list of remote power ON default settings You can isolate the location of OVP control by changing the positions of the Local OVP Control jumper J65 and the Remote OVP Control jumper J103 both on the RS 232 interface PCB The default jumper settings allow control of OVP to depend on the operating state of the power supply By physically changing the jumper settings you can isolate the location ...

Page 31: ...put with a high signal range of 2 2 5 0Vdc The current range of the shutdown line is 1 10mA See Figure 2 6 J7 User Signal Connector Circuit Block Diagram on page 35 for a schematic of the J7 connector containing the shutdown user line You can select the logic level of the TTL input by changing the J93 connector on the RS 232 PCB Table 2 13 shows the TTL signal levels for the J93 jumper settings Se...

Page 32: ...7 outputs can sink a current of 5mA each Figure 2 6 on page 35 shows the portion of the option board schematic which contains the J7 connector Use the schematic as a reference when making input or output connections Figure 2 5 User Signals J7 Connector J7 1 External TTL shutdown input signal See TTL Shutdown J7 2 Polarity signal open collector asserted by VSET x J7 3 Isolation signal open collecto...

Page 33: ...d and shipped with the power supply interface card To install the ferrite block 1 Position the block no more than 5 cm 2 in from the power supply end of the J7 user cable 2 Open the ferrite block housing 3 Loop the cable through the ferrite block See Figure 2 7 J7 User Cable with Ferrite Block on page 36 4 Close the housing clip The ferrite block ensures that the power supply system meets radiated...

Page 34: ...ion and Configuration User Signals 36 Operating Manual for RS 232 for XHR XFR Series Power Supply Figure 2 7 J7 User Cable with Ferrite Block J7 User Cable Ferrite Block To User Custom Interface To J7 Connector ...

Page 35: ...he complete command set of device dependent software commands shown in Command Reference on page 44 Command Syntax Manual Conventions The manual uses these conventions when displaying command information These characters are not part of the command but are used to denote parameters used with the command angle brackets Angle brackets enclose a parameter Do not include the angle brackets in the comm...

Page 36: ...arameter or COMMAND parameter parameter You can enter commands in upper or lower case lettering Example MASK FOLD mask fold Do not further abbreviate command names or parameters Example MASK FOLD MK FOLD MASK FOLD MASK FD Use a space between the command and the first parameter Any number of consecutive spaces is treated as one space Numeric data may contain leading spaces Embedded spaces between d...

Page 37: ...is given the default unit is seconds float float s float ms voltage Vlo Vhi The voltage in volts or millivolts If no unit is given the default unit is volts float float V float mV mnemonics A combination of CV CC CV OV OT SD FOLD ERR PON REM ACF OPF and SNSP See MASK and UNMASK commands in the command reference for use of the ALL and NONE parameters See registers on page 51 state The state of a bi...

Page 38: ...MMAND parameter parameter LF Most computer controllers automatically send LF with output statements Order You may send commands in any order keeping in mind that only those commands received after a HOLD and before a TRG trigger will be released by the TRG command In addition only these commands received after a supply disable and before a RST reset or OUT ON command will be released by the RST co...

Page 39: ...ends the supply to local mode FOLD Sets foldback mode for the supply HOLD Enables or disables voltage current setting hold mode for the supply IMAX Sets an upper soft limit on the programmed output current for the supply ISET Sets the output current of the supply in amps default or in milliamps LLO Local Lockout Disables the front panel LOCAL button OUT Enables or disables voltage current output f...

Page 40: ...OLD Asks for the supply s present foldback setting HOLD Asks for the present hold mode setting ID Asks for the power supply s model name and master EPROM version IMAX Asks for the supply s soft current limit setting IOUT Measures the supply s actual current output ISET Asks for the supply s present output current limit setting OUT Asks for the present enabled disabled status of the supply s output...

Page 41: ... VHI Sets the voltage output to the high calibration point VLO Sets the voltage output to the low calibration point VRDAT Calculates the slope and intercept for voltage readback VRHI Sets the voltage output to the high readback point VRLO Sets the voltage output to the low readback point Command Description ASTS Asks for the supply s accumulated status register FAULT Asks for the supply s fault re...

Page 42: ...or the operating conditions as listed in the status register AUXA 1 ON 0 OFF Controls the AUXA output signal level at rear panel connector J7 7 Active low Initial value AUXA 0 AUXA Asks for the present set value of the AUXA output signal Response AUXA 0 OFF AUXA 1 ON AUXB 1 ON 0 OFF Controls the AUXB output signal level at rear panel connector J7 8 Active low Initial value AUXB 0 AUXB Asks for the...

Page 43: ...umulated status register See Error Codes on page 53 Response ERR error number Example ERR 0 if no error FAULT Asks for the state of the fault register A bit is set in the fault register when a fault arises for that condition Lists the conditions which activate a fault bit You can use the MASK command to disable bits from being set in the fault register When a bit is set in the fault register it al...

Page 44: ...tion procedures in Section 4 Ilo and Ihi are in current format IHI In response to this command the power supply sends a programmed current value to the output terminal This value is at the high end of the power supply s current range and is read by an external device connected as part of the calibration procedure Refer to this value as IHI and record it to use as input with the IDATA command Set C...

Page 45: ...the programmed current range Refer to the output value as IRLO and record it to use as input with the IRDAT command Set CMODE ON before using this command See also the calibration procedures in Section 4 ISET current Sets the power supply s output current in amps default or in milliamps This programmed current is the actual output in CC mode or the current limit in CV mode Range 0 to model maximum...

Page 46: ... protection trip point in volts default or in millivolts If the trip point is exceeded or if the trip point value is lower than the present output voltage setting the supply will ignore the command turn on the ERR LED and set the ERR bit in the accumulated status register Reset with the RST command Range 0 to 110 of model maximum output voltage VMAX Initial value 110 of model VMAX OVSET Asks for t...

Page 47: ...ply s fault and status registers during operation A bit is set in the fault register when the corresponding bit in the status register changes from 0 to 1 and the corresponding bit in the mask register is 1 See Accumulated Status Status and Fault Registers on page 51 Mnemonics CV CC OV OT SD FOLD ERR PON REM ACF OPF SNSP ALL NONE Initial value UNMASK NONE UNMASK Asks for the supply s fault conditi...

Page 48: ...4 Vlo and Vhi are in voltage format VRHI The power supply outputs a voltage value to an external voltmeter connected as part of the calibration procedure and records a voltage readback value internally These values are at the high end of the programmed voltage range Refer to the output value as VRHI and record it to use as input with the VRDAT command Set CMODE ON before using this command See als...

Page 49: ...gned a bit weight When querying a register the controller returns a response which is the sum of the weights of all relevant conditions Example The accumulated status register shows that PON REM CC and CV have all been active since the last accumulated status register query Table 3 8 shows the mnemonics and bit weights which correspond to each register condition You can select conditions you want ...

Page 50: ...tus query ASTS 4 A fault is cleared with a fault query FAULT Condition Mnemonic Bit Position Bit Weight Constant voltage operation CV 0 1 Constant current operation CC 1 2 Not used 2 4 Overvoltage protection tripped OV 3 8 Over temperature protection tripped OT 4 16 Supply external shutdown active J7 1 SD 5 32 Foldback mode operation FOLD 6 64 Remote programming error ERR 7 128 Power ON accumulate...

Page 51: ...laced word number separator or terminator Example OFF SRQ VOUT 6 MASK ERR 5 Number Out of Range Specified a value for the command which was outside of the allowed range 6 Attempt to Exceed Soft Limits Attempted to program a voltage or current greater than the soft limit Example VMAX 500 VSET 550 LF 7 Improper Soft Limit Attempted to program a soft limit less than the output value 8 Data Requested ...

Page 52: ...roprocessor successfully recovered from a timeout error due to a communications bus error The event is transparent to the RS 232 communications line continues to function normally The red COP LED at CR166 indicates that a transparent restart caused by noise in the master processor circuitry has occurred The red COP LED at CR89 indicates that a transparent restart caused by noise in the slave proce...

Page 53: ...urrent sensing shunt resistor rated for 150 of maximum output current 0 25 accuracy or better Connection wires rated for the unit s maximum output current and voltage An RS 232 equipped computer to send the calibration commands to the unit Calibrate the unit according to the following procedures referring to Command Reference for more information about the calibration commands used The calibration...

Page 54: ...ecord the output shown on the external voltmeter 4 Send command VHI IHI to the supply Measure and record the output voltage as shown on the external voltmeter 5 Send the command VDATA vlo vhi where vlo and vhi are the values read from the voltmeter when the VLO and VHI commands were sent When the power supply is calibrated the low to high voltage program calibration values are stored as constants ...

Page 55: ...t voltage shown on the external voltmeter Send VRHI again 5 Send the command VRDAT vlo vhi where vlo and vhi are the values read from the voltmeter after the VRLO and VRHI commands were sent The processor calculates the offset value required to calibrate the power supply When the power supply is calibrated the low to high voltage readback calibration values offsets are stored as constants 6 Use co...

Page 56: ...mmand IHI VHI to the supply Measure and record the output voltage shown on the external voltmeter 5 Calculate ILO and IHI from the voltages read from the external voltmeter and the shunt resistance I V R 6 Send the command IDATA ilo ihi to the power supply ilo and ihi are the current values obtained from sending the ILO and IHI commands to the power supply When the power supply is calibrated the l...

Page 57: ...hown on the external voltmeter Send IRHI again 5 Calculate IRLO and IRHI from the voltages taken from the external voltmeter and the shunt resistance I V R 6 Send the command IRDAT ilo ihi to the power supply ilo and ihi are the current values obtained from sending the IRLO and IRHI commands to the power supply When the power supply is calibrated the low to high current readback calibration values...

Page 58: ...22 for the location on the PCB of jumper J65 3 Activate calibration mode by sending command CMODE ON or CMODE 1 to the power supply 4 Send the command OVCAL to the power supply The ADDR LED will light during OVP calibration Calibration is complete when the ADDR LED turns off This may take a few minutes 5 Use the OVSET OVSET and VSET commands to trip the OVP level confirming that the calibration wa...

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