Liquiline CM44P Electrical connection
Endress+Hauser 45
6.5.2 Connection via M12 connector (field device only)
PROFIBUS DP
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
65 M12 connection
66 Wiring
67 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
When using the M12 Y-section, the maximum data transfer rate is limited to
1.5 MBit/s. For direct wiring, the maximum data transfer rate is 12 MBit/s.
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
68 M12 connection
69 Wiring
70 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