Siemens SIMATIC ET 200eco PN - Page 54

Wiring
3.6 Pin assignment of connectors
ET 200eco PN
54 Operating Instructions, 08/2016, A5E01250250-AJ
Table 3- 18 Pin assignment for thermocouple for the 8 AI 4 U/I + 4 RTD/TC 8×M12 I/O device
Pin
Assignment X2, X4, X6, X8
(for thermocouples and ±80 mV)
View of the cable connector
(wiring side)
1
Not used
2 Connector X2: Input signal M
4
+
Connector X4: Input signal M
5
+
Connector X6: Input signal M
6
+
Connector X8: Input signal M
7
+
3
Not used
4 Connector X2: Input signal M
4
-
Connector X4: Input signal M
5
-
Connector X6: Input signal M
6
-
Connector X8: Input signal M
7
-
5 Functional earth FE
①
3-, 4-, or 5-core shielded copper cable