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CAN
The movement commands and door states can be sent by means of a CAN Bus protocol.
A 120 ohms terminating resistor can be optionally connected via the slide switch T901. The
resistor is switched in as default.
The pin assignment of the RJ45 X902 socket corresponds to the CANopen pin assignment.
The cable shield is not connected to the printed circuit board of the AT12. This must be
connected appropriately by the user, system manager, in order to ensure secure
communication.
Table 9- 1
Pin assignment
The interface supports the CANopen protocol according to CiA 301, profile 417.
Elevator door drive AT12
Equipment Manual, 06/2020, A2B00086683-AD
RJ45 connector X902
Pin
Signal
1
CAN_H
2
CAN_L
3
GND
4
–
5
–
6
Shield
7
GND
8
–
9
21
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