User Manual

10
e:\manuals\throttles\LDSBBT.p65
CAT Interface
Connector Information
C1 Connector 12015792 T erminal 12089188 Seal 12015899
Position Wire Color Description
A Red Throttle Interlock
B Black Ground
C2 Connector 12015793 T erminal 12089188 Seal 12015899
Position Wire Color Description
A White Throttle ground
B Blue Throttle Signal
C Orange Throttle Source
C3 Connector 12010973 T erminal 12089040 Seal 12015899
Position Wire Color Description
A Yellow PWM Signal
C4 Connector 12015791 T erminal 12089188 Seal 12015899
Position Wire Color Description
A Green F ast Idle*
* This input bypasses idle validation and allows the interface to command engine speed as
soon as power is applied. An external 10KΩ potentiometer can be used to set the High Idle
RPM. This can be paralleled with the v ernier and a relay used to segregate the signals .
Connector C2 provides the 5 VDC source and ground to the Vernier Control.
Throttle Interface
for
Caterpillar Engines
C1
C2
C3
C4
Caterpillar Engines require a Pulse Width Modulated (PWM) throttle signal. Class1 provides
an interface that perfor ms a conversion from a 0-5 VDC analog signal to a 12%-85% PWM
signal (PN 100924).