Engine Controller - Komatsu PC500LC-10R Shop Manual

COMPONENT PARTS OF CONTROL SYSTEM 10 STRUCTURE AND FUNCTION
STRUCTURE OF CAN TERMINATING RESISTOR
General view
1: Connector (with built-in resistor)
SPECIFICATIONS OF CAN TERMINATING RESISTOR
Resistance: 120 Ω
FUNCTION OF CAN TERMINATING RESISTOR
This function is used to suppress reflection of the high-frequency signals at the CAN communication line termi-
nal so that noises are not mixed in the CAN communication signals sent and received between each terminals.
REMARK
If the CAN terminating resistor is not installed, CAN communication errors occur and the operator cannot oper-
ate the machine.

ENGINE CONTROLLER

STRUCTURE OF ENGINE CONTROLLER
10-66 PC500LC-10R