WILLTEK 4403 - System Subsystem

Appendix A SCPI Command Reference
SYSTem subsystem
266 WCDMA Options Version 6.20
SYSTem subsystem
System parameters, such as the number of unread error messages, the test set's
GPIB address etc. may be read out or set using the commands of this subsystem.
:SYSTem:ERRor[:NEXT]?
:SYSTem:ERRor:COUNt?
:SYSTem:ERRor:CODE[:NEXT]?
Syntax
:SYSTem:ERRor[:NEXT]?
Parameters
There are no parameters.
Description
There is solely a query form of this command available.
Query
Returns the oldest unread error message from the internal error queue of the Willtek
4400. The queue entry returned will be a string containing the error no. and addi-
tional text. The maximum length of the string is 255 characters.
Note: An overview of all SCPI error messages can be found in section “SCPI command
errors”.
Example
:SYSTem:ERRor:NEXT?
String returned: "66 GPIB cannot be initialised."
Syntax
:SYSTem:ERRor:COUNt?
Parameters
There are no parameters.
Description
There is solely a query form of this command available.
Query
Returns the number of unread error messages in the internal error queue of the
Willtek 4400. The string returned will contain one integer. The maximum number of
errors stored internally is 10.
Example
:SYSTem:ERRor:COUNt?
String returned: "0"
This means that there are no unread error messages in the error queue.
Syntax
:SYSTem:ERRor:CODE[:NEXT]?
Parameters
There are no parameters.
Description
There is solely a query form of this command available.
Query
Returns the code of the oldest unread error message in the internal error queue of the
Willtek 4400. The string returned will contain one integer (and no text).
Note: An overview of all SCPI error messages can be found in section “SCPI command
errors”.
Example
:SYSTem:ERRor:CODE?
String returned: "66"
This means that the GPIB could not be initialized.