HP E1368A Manual De Usuario
:CTYPe?
SYSTem:CTYPe? <
number
>
returns the module (card) type of a selected
module in a switchbox.
Parameters
Parameter Name
Parameter Type
Range of Values
Default Value
number
numeric
01 - 99
N/A
Comments
Microwave Switch Module Model Number:
The
The
SYSTem:CTYPe? <
number
>
command returns (for both modules):
HEWLETT-PACKARD,E1368A,0,A.01.00
Note: The 0 after the module number is the serial number of the module
(always 0). A.01.00 is an example of the module revision code number.
(always 0). A.01.00 is an example of the module revision code number.
Example
Reading the Model Number of a Card #1 Module
SYST:CTYP? 1
Returns the model number.
:ERRor?
SYSTem:ERRor?
returns the error numbers and corresponding error
messages in the error queue of a switchbox. See Appendix C for a listing of
the switchbox error numbers and messages.
the switchbox error numbers and messages.
Comments
•
Error Numbers/Messages in the Error Queue: Errors generated
by a switchbox store an error number and corresponding error
message in the error queue. Each error message can be up to 255
characters long.
by a switchbox store an error number and corresponding error
message in the error queue. Each error message can be up to 255
characters long.
•
Clearing the Error Queue: An error number/message is removed
from the queue each time the
from the queue each time the
SYSTem:ERRor?
command is sent.
The errors are cleared first-in, first-out. When the queue is empty,
each following
each following
SYSTem:ERRor?
command returns 0, "No error".
To clear all error numbers/messages in the queue, execute the
*CLS
command.
•
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 oldest error
numbers/messages remain in the queue and the most recent are lost.
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 oldest error
numbers/messages remain in the queue and the most recent are lost.
•
*RST Condition:
*RST
does not clear the error queue.
Example
Reading the Error Queue
SYST:ERR?
Query the error queue, read and
print the numbers/message.
print the numbers/message.
66 HP E1368A/69A/70A Command Reference
Chapter 4