01057 rev. C VERNIER THROTTLE SYSTEM for Caterpillar Engines Class1 607 NW 27 Ave. Ocala, FL 34475 Ph: (352) 629-5020 Fax: (352) 629-2902 DOC 101057C_c:\manuals\throttles\cats\catthrot.
Overview Throttle Interface Control Module System Overview The Class1 Vernier Throttle Interface is designed to allow industry standard vernier style controls (such as the Felsted Electronic Vernier II Control) and other potentiometer controls to be used with electronically controlled engines. This unit will work with electronically controlled Caterpillar Engines (C10, C12, 3116, 3126, 3176, 3406, 3116B and 3126B) using a Pulse Width Modulated (PWM) Signal.
Interlocks Class1 provides a variety of engine controls that are used in a broad range of applications, therefore it is impossible for Class1 to determine the suitability of a particular control for any specific application. The flexibility of our products allows them to be used in a limitless number of custom applications. Class1 can advise you of the features that are available on a given product so that you can determine what product will meet your needs.
Connectors Throttle Interface for Caterpillar Engines C1 C2 C3 C4 Connector Information C1 Position A B Connector 12015792 C2 Position A B C Connector 12015793 C3 Position A Connector 12010973 C4 Position A Connector 12015791 Wire Color Red Black Wire Color White Blue Orange Wire Color Yellow Wire Color Green Terminal 12089188 Seal 12015899 Description Throttle Interlock Ground Terminal 12089188 Seal 12015899 Description Throttle ground Throttle Signal Throttle Source Terminal 12089040
37 38 39 40 Available Remote Throttle 600-2120 Idle-PTO TEL TEL, Idle,PTO TEL Normal, Continuous 200 lb-ft to Rated 1 to 127 MPH Parameter PTO PTO Top Engine Limit PTO RPM set speed PTO Cab Throttle RPM PTO activates cooling fan Torque Limit Max PTO vehicle speed limit Programming Considerations CAT Lower Connector (J1/P1) 34 29 36 28 23 35 22 6 19 5 18 4 13 3 12 2 Vehicle Harness Connector 7 1 Off 2120 0 RPM TEL Normal 2000 lb-ft 1 MPH Default C1-B C1-A 12 VDC PTO OEM Interl
HI-Idle Wiring the Class1 Vernier Throttle with high idle option only HIGH IDLE POT C2-A Throttle Ground C2-B Throttle Signal C2-C Throttle Source Class 1 CAT Interface OEM Interlocks FAST IDLE C1-A 12 VDC C4 Fast Idle Switch 12 VDC manuals\throttles\cat\cathigh.ai..110298 DOC 101058C_c:\manuals\throttles\cat\catthrot.
Wiring the Class1 Vernier Throttle with a remote high idle option Relay 1 VERNIER THROTTLE 30 87 DOC 101057C_c:\manuals\throttles\cats\catthrot.p65 86 85 PTO OEM Interlocks Relay 3 30 87a 87 87 86 85 30 Fast Idle Switch 85 C2-B Throttle Signal Class 1 CAT Interface Relay 2 87a FAST IDLE 87a C1-A 12 VDC 86 12 VDC C4 VERNIER THROTTLE HIGH IDLE POT. 5 VDC C2-C HOOKED IN PARALLEL TO HIGH IDLE POT.
Caterpillar 3126 ECM VERNIER CONTROL (10K) Remote Throttle Switch (PTO Engaged) Caterpillar ECM 3126 K999 Green 8 PTO On/Off C2-A Sensor Common (Ground) C1-B HIGH IDLE POT (10K) C993 Brown 29 Sensor Common Ground C2-C DOC 101058C_c:\manuals\throttles\cat\catthrot.
Available Remote Throttle 600-2120 Idle-PTO TEL TEL, Idle,PTO TEL Normal, Continuous 200 lb-ft to Rated 1 to 15 MPH Parameter PTO PTO Top Engine Limit PTO RPM set speed PTO Cab Throttle RPM PTO activates cooling fan Torque Limit Idle PTO vehicle speed limit Programming Considerations CAT J1/P1 Connector ECM RIGHT SIDE Off 2120 0 RPM TEL Normal 2000 lb-ft 1 MPH Defaults 70 69 68 67 66 65 64 63 62 61 60 59 58 48 57 1 40 2 32 3 47 4 39 5 24 6 14 7 31 8 23 13 12 11 10 9 Vehaicle Harnes
DOC 101058C_c:\manuals\throttles\cat\catthrot.
Mounting 4.75" 4.25" 3.625" 3.000" Throttle Interface Module Ø 0.201" (4) HOLES 1.0" DOC 101057C_c:\manuals\throttles\cats\catthrot.
Operation When the throttle interface module is powered up by the safety (interlock) system the throttle module will perform a self check and the module will then output a PWM signal of 12 %. The interface will verify that the throttle is fully closed. If the throttle is not fully closed, the interface module will not increase the PWM until the zero position is detected. IMPORTANT The throttle interface module will not command increased speed from the engine until the zero position is detected.
