6
Hardware description
DPCT IOM InsTruCTIOn OPeraTIOn Manual
MN124018EN January 2023 www.eaton.com
uploaded and downloaded. Compatible USB flash drive
formats include FAT16 & FAT32.
3.3 Power I/O board
The Power I/O board is used for all connections pertaining
to the operation of the controller. From the remote inputs,
starting conditions, and the alarm relay outputs.
Refer to the schematic diagram mounted on the inside
of the controller door for all connection points specific to
the controller.
3.4 External pushbuttons
•
(Crank #1)
- The Crank #1 pushbutton is marked with
the ISO symbol for engine cranking including the number
1. This pushbutton is used to energize the crank #1 relay
on the I/O board to provide battery voltage to the related
solenoid on the engine.
•
(Crank #2)
– The Crank #2 pushbutton is marked with
the ISO symbol for engine cranking including the number
2. This pushbutton is used to energize the Crank #2 relay
on the I/O board to provide battery voltage to the related
solenoid on the engine.
•
(Stop)
- The STOP pushbutton will initiate the stopping
sequence of the fire pump engine. Releasing the STOP
button will put the controller back into the AUTOMATIC
mode. If a starting condition exists, the pump motor will
start again once the STOP button is released.
