Cat 3126b – Class1 Throttle Information Reference User Manual
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11
e:\manuals\throttles\LDSBBT.p65
Class 1
Caterpillar Interface
C1-A
12 VDC
C3
C1-B
Sensor Common
(Ground)
Throtle Position
PTO ON/OFF
SWITCH
PTO ON Lamp
Caterpillar 3126B HEUI
56
Input #1
PTO On/Off
Ground
3 Input
Sensor
Common #2
Ground
68
INPUT #8
RAPS
PWM
30
Output #1
PTO On Lamp
Ground
New Caterpillar 3126B
12 VDC
OEM
Interlocks
Caterpillar 3126B HEUI ECM
Throttle Interface Module
manuals\throttle\cat\cat3126b.ai..100198
1
2
3
4
5
6
7
12
CAT J1/P1 Connector
ECM RIGHT SIDE
Vehaicle Harness Connector
ECM Side
87a
87
85
86
30
Programming Considerations
Parameter Available Defaults
PTO
Remote Throttle Off
PTO Top Engine Limit
600-2120 2120
PTO RPM set speed
Idle-PTO TEL 0 RPM
PTO Cab Throttle RPM TEL, Idle,PTO TEL TEL
PTO activates cooling fan Normal, Continuous Normal
Torque Limit 200 lb-ft to Rated 2000 lb-ft
Idle PTO vehicle speed limit 1 to 15 MPH 1 MPH
8
9
10
11
13
14
24
32
40
48
23
31
39
47
57
70 69 68 67 66 65 64 63 62 61 60 59 58
CAT 3126B
Terminal 68 is the Remote Throttle PWM input port.
(PWM)
Terminal 56 is the remote throttle ON/OFF switch input.
(ground IN)
Terminal 03 is the Sensor Ground output.
(ground OUT)
Terminal 30 is the PTO ON Lamp output.
(ground OUT)