Ieee-488 (Gpib) Remote Interface; Plug-In Modules - Racal Instruments 1256 Manual

Publication No. 980855 Rev. A

IEEE-488 (GPIB) Remote Interface

PROBLEM
1256 does not respond to
GPIB commands.

Plug-In Modules

PROBLEM
Slot containing a plug-in is
indicated as an "empty slot"
when using front-panel
controls to scroll through
slots.
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POSSIBLE CAUSES
•
1256 is not set for remote
GPIB operation.
•
Commands sent to wrong
GPIB address.
•
The 1256 is set to the same
GPIB address as another
device in the system.
POSSIBLE CAUSES
•
Plug-in not properly seated
in slot.
1256 User Manual
WHAT TO DO
•
Use front-panel controls to set
the 1256 for GPIB operation.
See Chapter 4, GPIB AND
RS-232 INTERFACES, under
the heading Selecting the
GPIB Interface.
•
Make sure that the commands
are sent to the GPIB address
currently assigned to the 1256
(to set the 1256 GPIB address,
see Chapter 4, GPIB and RS-
232 Interfaces, under the
heading Setting the GPIB
Address).
•
Make sure that the 1256 is set
to a unique GPIB address(to
set the 1256 GPIB address,
see Chapter 4, GPIB and RS-
232 Interfaces, under the
heading Setting the GPIB
Address).
WHAT TO DO
•
Loosen the retaining screws of
the plug-in. Pull the plug-in
part-way out, then gently push
it back in until it stops. Then
press it firmly to seat its
connector with the backplane
connector. When properly
installed, the panel of the plug-
in is flush with the rear panel of
the 1256.
Troubleshooting C-5