CANopen Communication Module
7
2.6 Hardware Installation
Turn off the inverter before configuring the communication network.
Both the inverter and the communication module will be damaged if the communication
module is installed or removed while the inverter is turned on. Install or remove the
communication module after the capacitor inside the inverter is completely discharged.
To reduce signal noise, the CANopen communication modules at both ends of the network
must be terminated. You can turn on the terminal resistor setting switch on the CANopen
communication module to enable termination. A resistance of 120 Ω 1/4W is applied between
CAN_L and CAN_H terminals after the terminal resistance is switched on.
Termination Switch ON
120
Ω
1/4W
Termination Switch ON
120
Ω
1/4W
MASTER
Node N
Node 1
Node N -1
……
Termination Switch OFF
Termination Switch OFF