Installation 9
Doc.Id. HMSI-216-117
CM CANopen Module for SIMATIC S7-1200
Doc.Rev. 1.00
4.4 Line Termination
To minimize the signal’s reflections from the end of the cable, a line termination is needed close to each
end of the bus. If the cable you are using is not terminated, connect a line termination between contacts
2 and 7 (CAN_L and CAN_H) beneath the slot, where the module is mounted. The impedance of the
termination should be 120 (5%, 1/4 W max.).
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