Racal Instruments 1260-82, User Manual

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1260-82 User Manual
Module Operation 3-4
Reply To The
MOD:LIST?
Command
The 1260-01T returns a reply to the MOD:LIST? command. This
reply is unique for each different 1260 series switch module. The
syntax for the reply is:
<module address> : <module-specific identification string>
The <module-specific identification string> for the 1260-82 is:
1260-82C TRIPLE 1X2 OPTICAL SWITCH MODULE
or
1260-82D QUAD 1X2 OPTICAL SWITCH MODULE
or
1260-82F SEXTUPLE 1X2 OPTICAL SWITCH MODULE
So, for a 1260-82C whose <module address> is set to 8, the reply
to this query would be:
8 : 1260-82C TRIPLE 1X2 OPTICAL SWITCH MODULE
Using The *OPC
Query /
Command
When you are using the 1260-82 in an automated test
environment, it is important that you be aware of the time it takes
for the switch movement to complete. For example, suppose you
develop an automated test in which the optical switch closure is
over the VXI bus via the CLOSE command. After each switch
configuration, you might then take a reading from an optical
power meter. In such a sequence, it is important that you not
initiate the reading from the optical power meter before the 1260-
82 has come to a stable position (up to 15 milliseconds).
Below is an example that illustrates the use of instrument
commands and queries utilizing the *OPC? query. In this
example, queries to other instruments (such as the power meter)
are not made until all of the 1260-82’s pending operations have
completed.