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MENU MAPS
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10-26
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
way of providing an external input or extra logical control via internal logic that can drop
the maintenance call output. If the Maint Call Rpt I/O Used is set to yes, the Maint Call
Rpt IP must be set to TRUE if not used. This can be done via an internal channel, for
example:
o
Int.1 Sets Maint Call Rpt IP
o
Int.1 Set by TRUE
•
Emergency Activate IP can be set to yes to provide an Emergency Activate input that
can be mapped to an external vital input. When this input is de-energized it will override
all wraps and out of service conditions and de-energize all outputs and activate the
crossing.
Figure 10-22 Logic Features