CONTROLS, INCORPORATED
C O N T R O L S Y S T E M S & S O L U T I O N S
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CONTROL PANEL RELAY OUTPUTS
A total of eight relays can be assigned for different uses depending on application to provide relay
output signals to external devices such as horns, sirens, PLC’s or SCADA systems. Two 10 amp
relays and six 5 amp relays are available. Relay 2 and Relay 4 are 10 amp, while Relays 1 through
3 and 5 through 8 are 5 amp.
The panel is shipped from the factory with the
bolded
outputs enabled and pre-wired
in the panel.
Relay
Heading
Default
Options
Relay 1
Function
None
Polarity
Positive
Positive / Invert
Initial State
Off
Off / On
Relay 2
Function
Fuel/Run
Polarity
Positive
Positive / Invert
Initial State
On
Off / On
Relay 3
Function
None
Polarity
Positive
Positive / Invert
Initial State
Off
Off / On
Relay 4
Function
None
Polarity
Positive
Positive / Invert
Initial State
Off
Off / On
Relay Functions
– A total of four relays can be assigned for different uses depending on
application.
a. None
– Assign to “none” when not used.
b. Start Warning
– Relay will be active during auto start delay period. Typically used to
drive the low side of an alarm horn or light.
c. Crank
– Relay will be active during auto crank period. Used to drive a starter relay.
d. Preheat
– Relay will be active during programmed preheat period. Used to drive a
preheat relay.
e. Fuel / Run
– Relay will be active during an engine start request and while the engine
is running. Used to drive the engine’s ECU circuit. Also active when requesting active
and stored J1939 codes.
f. Switch Trip
– Relay will be active if digital input is active.
