KEPCO KLN Series (750W, 1500W, 3000W), Main Contro Firmware Version 1.70 and higher - Manual (Page 93)

KLN Series 051614
A-1/(A-2 Blank)
APPENDIX A - SCPI COMMON COMMAND/QUERY DEFINITIONS
A.1 INTRODUCTION
This appendix defines the SCPI common commands and queries used with the KLN power supply.
Common commands and queries are preceded by an asterisk (*) and are defined and explained in
paragraphs A.2 through A.5, arranged in alphabetical order. Table A-1 provides a quick reference of
all SCPI common commands and queries used in the Interface Card.
A.2 *CLS — CLEAR STATUS COMMAND
*CLS
Syntax: *CLS
Description: Clears status data. Clears the following registers without affecting the corresponding Enable Regis-
ters: Standard Event Status Register (ESR), Operation Status Event Register, Questionable Status
Event Register, and Status Byte Register (STB). Also clears the Error Queue.
A.3 *IDN? — IDENTIFICATION QUERY
*IDN?
Syntax: *IDN?
Return value: Character string
Description: Identifies the instrument. This query requests identification. The power supply returns a string which
contains the manufacturer name, the model, the serial number and the firmware level. The character
string contains the following fields: <Manufacturer>, <Model>, <Serial Number>, <Firmware revision>
where: <Manufacturer> = KEPCO, <Model> = KLN model number, <Serial Number> = SSSSSS
<Firmware revision=n.m, (e.g, 1.0).
A.4 *RST — RESET COMMAND
*RST
Syntax: *RST
Description: Resets power supply to the power on default state. The power supply output set to power-on
default state.
After sending *RST, output voltage is set to 0, output current is set to 0, OVP is set to rated voltage
+10% and OCP is set to rated current +10%. It is recommended that this command is always the first
command sent after remote digital control starts, to ensure that the output is set to zero and control of
output on/off is properly enabled.
A.5 *TST? — SELF TEST QUERY
*TST?
Syntax: *TST? Returned value: 0 or 1
Description: Power Supply test.This query causes the power supply to do a self test and provide the controller
with pass/fail results. A 0 is returned if the unit passes the test. A 1 is returned to indicate the unit failed
self test.
TABLE A-1. IEEE 488.2 COMMAND/QUERY INDEX
COMMAND PAR. COMMAND PAR.
*CLS A.2 *RST A.4
*IDN? A.3 *TST? A.5