Pin
Assignment X1 to X8 (for RTD)
View of the cable connector
(wiring side)
3-conductor
1
Constant current line positive I
Cn
+
2
Measurement cable positive M
n
+
3
Measurement cable negative M
n
- and constant
current line negative I
Cn
-
5
Functional earth FE
2-conductor
1
Measurement cable positive M
n
+ and constant
current line positive I
Cn
+
3
Measurement cable negative M
n
- and constant
current line negative I
Cn
-
5
Functional earth FE
①
4- or 5-core shielded copper cable
②
3-, 4-, or 5-core shielded copper cable
Table 3-20 Pin assignment for thermocouple for the 8 AI RTD/TC 8×M12 I/O device
Pin
Assignment of X1 to X8
(for thermocouples and ±80 mV)
View of the cable connector
(wiring side)
1
Not used
2
Connector X1: Input signal M
0
+
Connector X2: Input signal M
4
+
Connector X3: Input signal M
1
+
Connector X4: Input signal M
5
+
Connector X5: Input signal M
2
+
Connector X6: Input signal M
6
+
Connector X7: Input signal M
3
+
Connector X8: Input signal M
7
+
3
Not used
4
Connector X1: Input signal M
0
-
Connector X2: Input signal M
4
-
Connector X3: Input signal M
1
-
Connector X4: Input signal M
5
-
Connector X5: Input signal M
2
-
Connector X6: Input signal M
6
-
Connector X7: Input signal M
3
-
Connector X8: Input signal M
7
-
5
Functional earth FE
Figure
Figure
P9
①
3-, 4-, or 5-core shielded copper cable
54
ET 200eco PN
Operating Instructions, 06/2022, A5E01250250-AN
Wiring
3.6 Pin assignment of connectors
Содержание SIMATIC ET 200eco PN
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