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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e.
Alarm Horn - Energizes an external audible alarm when an alarm condition is present.
Pressing the ENTER button will silence.
f.
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.
g.
Low Oil Press Alarm - Relay closes if a low oil pressure shutdown is detected.
h.
High Coolant Temp Alarm - Relay closes if a high engine temperature shutdown is
detected.
i.
Over Speed Alarm - Relay closes if an over speed shutdown is detected.
j.
Over Crank Alarm - Relay closes if an over crank alarm is detected.
k.
Low Fuel Level Alarm - Relay closes if a low fuel level shutdown is detected.
l.
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.
m.
Custom 1 - Reserved for OEM applications.
n.
Preheat - Relay will be active during programmed preheat period. Used to drive a
preheat relay.
o.
Crank - Relay will be active during auto crank period. Used to drive a starter relay.
p.
Start Warning - Relay will be active during auto start delay period. Typically used to
drive the low side of an alarm horn or light.
q.
Clutch 1 - Closes when Clutch 1 conditions are met.
r.
Clutch 2 - Closes when Clutch 2 conditions are met.
s.
Throttle B0 - Reserved for OEM applications.
t.
Throttle B1 - Reserved for OEM applications.
RELAY POLARITY
a.
Positive - Relay acts as a normally open contact.
b.
Invert - Relay acts as a normally closed contact.
RELAY INITIAL STATE
a.
On - Relay is activated upon power up.
b.
Off - Relay is not activated upon power up.
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