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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8) Output Configuration
Heading
Default
Range
Units
Your Settings
Relay 1 Function
Throttle B0
See Relay Notes
Relay 1 Polarity
Positive
Positive / Invert
Relay 1 Initial State
Off
Off / On
Relay 2 Function
Fuel
See Relay Section
Relay 2 Polarity
Positive
Positive / Invert
Relay 2 Initial State
On
Off / On
Relay 3 Function
Preheat
See Relay Section
Relay 3 Polarity
Positive
Positive / Invert
Relay 3 Initial State
Off
Off / On
Relay 4 Function
Throttle B1
See Relay Notes
Relay 4 Polarity
Positive
Positive / Invert
Relay 4 Initial State
Off
Off / On
Relay Notes:
A total of four relays can be assigned for different uses depending on application. Two 10 amp relays and two 5
amp relays are used. Relay 2 and Relay 4 are 10 amp, while Relays 1 / 3 are 5 amp. All relays use battery plus to
switch with the exception of Relay 1 whose common is tied to ground.
1) Relay Functions
– A total of four relays can be assigned for different uses depending on application.
a. None
– Assign non when not used
b. Preheat
– Relay will be active during programmed preheat period. Used to drive a preheat relay.
c. 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.
d. Switch Trip
– Relay will be active if digital input is active.
e. Engine Run
– Relay will be active when engine RPM is greater than 600. Typically used to drive
an auxiliary circuit such as louvers or send a signal to a monitoring station.
f.
Alarm
– Relay will be active when there is an alarm condition. Typically used to drive an alarm
horn or lamp. Also can be used to send a signal to a monitoring station
g. Prealarm
– Relay will be active when there is a prealarm condition. Typically used to drive an
alarm horn or lamp. Also can be used to send a signal to a monitoring station
h. Pre+Alarm Horn
– Energizes an external audible alarm when a Prealarm or alarm condition is
present. Pressing the ENTER button will silence.
i.
Alarm Horn
– Energizes an external audible alarm when an alarm condition is present. Pressing
the ENTER button will silence.
j.
Throttle B1
– Reserved for OEM applications.
k. Throttle B0
– Reserved for OEM applications.
l.
Custom 1 - Reserved for OEM applications.
