CANopen & CANlink Communication
‑73‑
Check whether the terminal resistor is only connected to both ends of the bus. Power
off all devices and check whether the resistance between CANH and CANL of the bus
is between 50 Ω and 60 Ω by using a multimeter.
Check whether CANH and CANL of a node are reversely connected and whether CGND
of the bus interface is connected (typically CGND of all devices are connected
together and not grounded).
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