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7
7-13GFK-0787B Chapter 7 Programming Information
%M Control References
The application program can use the following %M references to provide information to
the GMR software. The references are located at %M12257 – %M12288.
Reference Nickname Description Meaning
%M12257 CONTINU Continue with initialization
& enable outputs
%M12258 IORES Perform I/O Fault Table clear. See next page.
%M12259 PLCRES Perform PLC Fault Table
clear.
At an individual PLC
%M12260 ATMANIN Autotest Manual Initiate Initiates a single autotest (both
input and outout) any time it is
turned on, even if the Autotest
Inhibit bit is on.
%M12261 ATINHIB Autotest inhibit Prevents the “automatic” autotest
(both input and output) from oc-
curring at the Autotest Interval
specified in the GMR Configura-
tion for as long as this bit is On.
Note: it does not
prevent an Au-
totest Manual Initate.
%M12262 REPORT Report GMR version / status See description of %M12262 (Re-
port) on page 7-14.
%M12263 FORCLOG Force block(s) to log on See the description of PLC Logon
Control on page 7-17.
%M12264 PLCRESG Clear PLC Fault Tables in all
PLCs.
See next page.
%M12265 SDCAN Cancel I/O Shutdown If an I/O Shutdown was initiated
by any PLC, turning this bit On
cancels it and prevents the shut-
down from occurring. If this bit is
set continuously, no I/O Shut-
down will be initiated.
%M12266
to
%M12288
Reserved for future GMR
use.
%M12257 (Continue)
When the application program has computed valid outputs that can be sent to output
blocks, the application program must set control bit %M12257 (CONTINUE) to 1. When
this is done, outputs to the blocks are enabled.