CANplus
TM
CP640 - EN
Control Panel Operation Manual
26
9M02-1000-A001-EN
Revision B
Pin
Signal Description
Direction
Notes
P
Oil Pressure Sender
In
Resistive
R
Throttle Switch
In
Connected to ‘S’ via 390
Ω
resistor
S
Throttle Switch Return
Out
T
Oil Pressure Switch
In
Ground Input
U
CAN Low
In/Out
J1939
V
CAN High
In/Out
J1939
W
Auxiliary Switch 1
In
Ground Input
X
Fuel Sender
In
Resistive
6.2.3 Sealed Connectors
The provided Deutsch sealed weather-proof plug includes a locking ring device which must be turned counter
clockwise to separate the connectors. To positively seat the connectors, the locking ring is turned clockwise.
CAUTION
CATTRON DOES NOT RECOMMEND USING DIELECTRIC GREASE OR SEALANT WITH SEALED
CONNECTORS. THESE CHEMICALS MAY CAUSE SEAL DAMAGE AND ALLOW WATER ENTRY.
USE CATTRON PROVIDED CAVITY PLUGS TO SEAL THE CONNECTOR IF WIRES ARE
REMOVED.
6.2.4 Unsealed Connectors
For unsealed connectors exposed to the elements, Cattron recommends using dielectric grease to protect the
contacts.
CAUTION
CATTRON DOES NOT RECOMMEND USING SEALANT WITH UNSEALED CONNECTORS.
SEALANT TRAPS MOISTURE IN THE CONNECTOR AND ENCOURAGES CORROSION.
6.2.5 Harness Routing
The minimum routing radius of the wiring harnesses should be at least two times the diameter of the wiring
harness. Bends should be avoided within 1 in (25 mm) of any connector in order to avoid seal distortion allowing
moisture to enter the connector.
6.3 Engine Starter Excitation Connection
6.3.1 Starter Relay
General Starter Relay Specifications
Minimum Starter Relay (Continuous) Rating
60 A @ 12 V
30 A @ 24 V
Maximum Starter Relay Excitation Current Draw
5 A @ 12 V
3 A @ 24 V
Cattron provides suitable heavy duty relays and generic starter relay wiring kits in both 12 V and 24 V;
please
contact your LOFA reseller for more information
.
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