Lenze 931K - Manual (Page 15)

Electrical installation
Connection of CAN bus master
4
l
15 KHB 13.0002−EN 4.1
Connection plan for M12 socket (931K)
X4.1 / X4.2
Input contact
pattern Output contact
pattern Pin Signal Explanation
1 CAN_SHLD CAN_Shield
2 Ċ Reserved
3 CAN_GND CAN_Ground
4 CAN_H CAN_HIGH (high is dominant)
5 CAN_L CAN_LOW (low is dominant)
4.4 Connection of CAN bus master
The below table shows the assignment of a 9−pin Sub−D socket such as provided by most
CAN masters for the connection of field devices.
Connection of the CAN bus to a 9−pin Sub−D socket
View Pin Signal Explanation
1
6
2
7
3
8
4
9
5
1 Ċ Reserved
2 CAN−LOW CAN−LOW (low is dominant)
3 CAN−GND CAN ground
4 Ċ Reserved
5 (CAN−SHLD) Optional CAN shield
6 (GND) Optional ground
7 CAN−HIGH CAN−HIGH (high is dominant)
8 Ċ Reserved
9 (CAN−V+) Optional external CAN voltage supply
Tab. 1 CAN Sub−D socket