6RL SERIES OPERATION MANUAL
SECTION 7: REMOTE PROGRAMMING
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2018 by Adaptive Power Systems, Inc. (APS) • All Rights Reserved • No reproduction without written authorization from APS.
6RL Series Regenerative DC Load Operation Manual
Page 143 of 204
7.12.3
SCPI Errors
Errors in terms of SCPI are only communication errors. According to the standard, units
using SCPI do not return errors immediately. They have to be queried from the unit. The
query can occur directly with the error command (SYST:ERR?) or by first reading the signal
bit "err" from the status byte (STB) register (see Status registers).
The error format is defined by the standard and is made of a string containing a number (the
actual error code) and an explanatory text. Following errors strings are supported by the
unit.
Error code / error text
Description
0, "No error"
No error
-100, "Command error"
Command unknown
-102, "Syntax error"
Command syntax wrong
-108, "Parameter not allowed"
A command was sent with a parameter though the command doesn’t
use parameters
-200, "Execution error"
Command could not be executed
-201, "Invalid while in local"
Control command could not be executed, because unit is in LOCAL mode
-220, "Parameter error"
Wrong parameter used
-221, "Settings conflict"
Command could not be executed because of the condition of the unit
(being in MENU etc.)
-222, "Data out of range"
Parameter could not be set because it exceeded a limit
-223, "Too much data"
Too many parameters per command or too many commands at once
-224, "Illegal parameter value"
A parameter not specified for the command has been sent
-999, "Safety OVP"
Alarm Safety OVP (only available with specific models) has been triggered.
It requires the unit to be power cycled.
Table 7-4: SCPI Error Messages
7.12.4
Standard IEEE Commands
The IEEE488.2 GPIB standard requires some standard commands to be supported. They are
supported in all instruments that feature SCPI command language.
*CLS
Clears the error queue and the status byte (STB).
*IDN?
Clears the error queue and the status byte (STB).
*IDN?
Returns the unit identification string, which contains following information, separated by
commas:
1.
Manufacturer
2.
Model name
3.
Serial number
4.
Firmware version(s) (in case there are several, these are separated by a space)
5.
User text (arbitrary user-definable text, as definable with SYST:CONFIG:USER:TEXT)
*RST
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