Endress+Hauser Liquiline CM444 - Page 33

Liquiline CM442/CM444/CM448 Electrical connection
Endress+Hauser 33
Modbus RS485
M12 Y-section Wiring in M12 Y section Pin assignment in connector and
socket
RD
GN
P0V
P5V
82
81
J1
P2
P1
96
95
99
 48 M12 connection
P2
J1
1
2
3
4
5
1
2
3
4
5
P1
1
2
3
4
5
 49 Wiring
1 2
34
5
2 1
43
5
 50 Connector (left) and
socket (right)
1 P5V, 5 V power supply for
external terminating
resistor
2 A
3 P0V, reference potential for
P5V
4 B
5 n.c., not connected
* Shielding
Ethernet, web server, PROFINET
Internal connection Pin assignment in connector and socket
 51 Ethernet socket
3
4
1
2
4
3
2
1
 52 Connector (left) and socket (right)
1 Tx+
2 Rx+
3 Tx-
4 Rx-
Shielding (thread)