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Dynamic
Reconfiguration
Queries
Broadcast?
Local Command Set 4-22
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if it is not a DC system.
The dynamic reconfiguration queries are described on the
following pages.
•
Broadcast?
•
GrantDev?
•
RelSrvnt?
The dynamic reconfiguration commands are used to reconfigure
the 1260-00C's Servant subtree after the system has entered the
Normal Operation substate. If the 1260-00C is RM, these
commands can be used to reconfigure the entire system.
The Broadcast? query can be used to make the system or
subtree enter the Configure substate by broadcasting the End
Normal Operation Word Serial query, or the Clear Word Serial
command followed by the Abort Normal Operation Word Serial
query.
The RelSrvnt? and GrantDev? queries can then be used to
restructure the Commander/Servant hierarchy. You could perform
dynamic reconfiguration directly by using the WSCmd and WSCmd?
local commands, but the 1260-00C's RM table would not be
updated. By using the RelSrvnt? and GrantDev? queries to
reconfigure the system, you ensure the 1260-00C's system
hierarchy, and GPIB address link records do not become
corrupted.
You can return the system or subtree to the Normal Operation
substate by using the Broadcast? query to broadcast the
Identify Commander and Begin Normal Operation Word Serial
commands.
Purpose:
Broadcast dynamic reconfiguration initialization or
termination Word Serial commands to the
1260-00C's Message-Based Servants or to all
top-level Commanders in the system.
Query
Syntax:
Broadcast? <Boolean>,<ws cmd>
If <Boolean> is 1, the 1260-00C broadcasts <ws
cmd> to all top-level Commanders. If <Boolean>
1260-00C User Manual
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