
139-0498-0116
Chapter Four--Wiring
16
Emergency Shutdown Wiring:
To connect your re alarm or emergency management system
to the RPC, follow these steps.
1. From the re alarm unit or latching Emergency Shuto
switch, wire the Normally Open (NO) contacts to the IN and
24V positions of Digital I/O Port #1 on the Controller.
2. If a remote status indicator is used, ensure that the positive
terminal is wired to the 24V position and the negative
terminal is wired to the OUT position of Digital I/O Port #1.
3. When the Normally Open contacts are closed, the status
indicator should immediately light and all breakers that
have been selected for E. Shuto should cycle to OFF.
4. When the contacts are released, the status indicator should
extinguish and all breakers that were ON when E. Shuto
was activated should return to the ON state.
See Chapter 5 to con gure the software for emergency
shutdown.
Figure 4-4: Emergency shutdown
wiring
Normally Open
Fire Alarm Contacts
24 VDC LED
Status Indicator
1
2
3
4
5
6
Left Bus
IN
24V
OUT
Digital I/O
OFF
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