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Example
SYSTem:CTYPe?
Parameters
Comments
Example
SYSTem:ERRor?
Comments
86 HP E1476A Switchbox Command Reference
Setting Card #1 Module to its Power-on State
SYST:CPON 1
SYSTem:CTYPe? <number>
in a switchbox.
Parameter
Parameter
Name
<number>
numeric
•
HP E1463A 64-Channel Relay Multiplexer Module Model Number: The
SYSTem:CTYPe? <number>
HEWLETT-PACKARD,El476A,0,A.08.00
where the 0 after E1476A is the module serial number (always 0) and A.08.00
is an example of the module revision code number.
Reading the Model Number of a Card #1 Module
SYST:CTYP? 1
SYSTem:ERRor?
returns the error numbers and corresponding error messages in
the error queue of a switchbox. See Appendix C for a listing of switchbox error
numbers and messages.
•
Error Numbers/Messages in the Error Queue: Each error generated by a
switchbox stores an error number and corresponding error message in the error
queue. The error message can be up to 255 characters long, but typically is
much shorter.
•
Clearing the Error Queue: An error number/message is removed from the
queue each time the
first-in, first-out. When the queue is empty, each following
query returns +0, "No error". To clear all error numbers/messages in the queue,
execute the
command.
*CLS
•
Maximum Error Numbers/Messages in the Error Queue: The queue holds
a maximum of 30 error numbers/messages for each switchbox. If the queue
overflows, the last error number/message in the queue is replaced by
-350, "Too many errors". The least recent error numbers/messages remain in
the queue and the most recent are discarded.
Set module #1 channels to power-on state
(open).
returns the module (card) type of a selected module
Type
Range of Values
command returns:
Return the model number.
SYSTem:ERRor?
command is sent. The errors are cleared
1 through 99
SYSTem:ERRor?
Default
Value
N/A
Chapter 3
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