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Features and Specifications

Features and Functions

12 

Operating Manual for RS-232 for XHR/XFR Series Power Supply

Features and Functions

Features

16-bit programming and readback of voltage and current

Programmable soft limits for voltage and current

Programmable over voltage protection with reset

Easy-to-use, self-documenting command set

Standardized commands for complete communication with any of the supplies 

in the system

User-programmable isolated fault, polarity, 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

Readback

Functions

Actual voltage and current

Voltage and current settings

Soft voltage and current limits

Over voltage protection setting

Present and accumulated power supply status

Programming error codes

Fault codes

Power supply model and software version identification

Summary of Contents for RS232-XHR

Page 1: ...Operating Manual Internal RS 232 Interface for XHR XFR Series Programmable DC Power Supplies RS232 XHR RS232 XFR RS232 XFR3...

Page 2: ......

Page 3: ...Operating Manual for Internal RS 232 Interface for XHR 1000 Watt Series XFR 1200 Watt Series and XFR 2800 Watt Series Programmable DC Power Supplies...

Page 4: ...ight to use parts or products of original or improved design in the repair or replacement If Xantrex repairs or replaces a product its warranty continues for the remaining portion of the original Warr...

Page 5: ...e product exchanged under warranty What does this warranty not cover This Limited Warranty does not cover normal wear and tear of the product or costs related to the removal installation or troublesho...

Page 6: ...ENT WILL XANTREX BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY EC...

Page 7: ...ur product user manual for limitations on uses of the product Specifically please note that this power supply is not intended for use in connection with life support systems and Xantrex makes no warra...

Page 8: ...energy for some time after power is removed CAUTION Operate the power supply in an environment free of flammable gases or fumes To ensure that the power supply s safety features are not compromised us...

Page 9: ...echniques while effecting supply or pin connections and any changes in switch settings The user should also have experience with a computer based communications software package Refer to your power su...

Page 10: ...About This Manual viii Operating Manual for RS 232 for XHR XFR Series Power Supply...

Page 11: ...re Flow Control 25 Connections 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...

Page 12: ...Diagnostic LEDs54 Section 4 Calibration Introduction55 Voltage Mode Calibration56 Voltage Calibration Setup56 Voltage Program Calibration Procedure56 Voltage Readback Calibration Procedure57 Current...

Page 13: ...ter and 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 interfa...

Page 14: ...ty 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 Pro...

Page 15: ...4mA 5 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...

Page 16: ...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 v...

Page 17: ...0 15 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 0m...

Page 18: ...ge 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 1...

Page 19: ...y 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 vo...

Page 20: ...am 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 with...

Page 21: ...te and 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 interfa...

Page 22: ...ce 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...

Page 23: ...rcuit 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...

Page 24: ...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...

Page 25: ...ntrol 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 Co...

Page 26: ...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...

Page 27: ...he RS 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 i...

Page 28: ...nector 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 R...

Page 29: ...nder 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...

Page 30: ...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 m...

Page 31: ...and remote 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...

Page 32: ...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 pi...

Page 33: ...communication 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 Asynchro...

Page 34: ...plete 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...

Page 35: ...TL input 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 conn...

Page 36: ...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 outp...

Page 37: ...ckaged 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...

Page 38: ...on 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...

Page 39: ...to the 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 inf...

Page 40: ...rameter 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 FO...

Page 41: ...unit 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 com...

Page 42: ...MAND 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 HO...

Page 43: ...GTL Sends 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 outp...

Page 44: ...LD 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...

Page 45: ...mming 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 vol...

Page 46: ...r 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...

Page 47: ...e accumulated 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 fa...

Page 48: ...ion 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...

Page 49: ...d of 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 S...

Page 50: ...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 tur...

Page 51: ...e supply 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 re...

Page 52: ...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...

Page 53: ...assigned 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...

Page 54: ...us 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 prot...

Page 55: ...tly placed 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 L...

Page 56: ...oprocessor 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 CR...

Page 57: ...ads Current 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...

Page 58: ...cord 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...

Page 59: ...output 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...

Page 60: ...mand 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...

Page 61: ...age shown 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...

Page 62: ...2 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...

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Page 64: ...echnology Inc 8999 Nelson Way Burnaby British Columbia Canada V5A 4B5 604 422 8595 Tel 604 421 3056 Fax 800 667 8422 Toll Free North America prg info xantrex com www xantrex com TM RSRF 01XN PRINTED I...

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