Siemens SIMATIC ET 200eco PN, Operating Instructions Manual

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• Permitted common-mode voltage AC 10V
PP
• Prioritized startup
• Media redundancy
NOTE
During startup
As long as no parameters are assigned for the I/O device, the I/O device supplies the pro­
cess values 0x7FFF.
Pin assignment
The tables below show the pin assignment for the 8 AI 4 U/I + 4 RTD/TC 8×M12 I/O device.
Assignment for U/I Pin
Socket X1
(Channel 0)
Socket X3
(Channel 1)
Socket X5
(Channel 2)
Socket X7
(Channel 3)
View of socket
(front view)
1 24 V sensor supply 1U
S
(derived from 1L+ non-switched)
Input signal 2
M
0
+ M
1
+ M
2
+ M
3
+
3 Sensor supply ground 1M
Input signal 4
M
0
- M
1
- M
2
- M
3
-
5 Functional earth FE
Assignment for RTD Pin
Socket X2
(Channel 4)
Socket X4
(Channel 5)
Socket X6
(Channel 6)
Socket X8
(Channel 7)
View of socket
(front view)
4-conductor
Constant current line 1
I
C4
+ I
C5
+ I
C6
+ I
C7
+
Measurement cable 2
M
4
+ M
5
+ M
6
+ M
7
+
Constant current line 3
I
C4
- I
C5
- I
C6
- I
C7
-
Measurement cable 4
M
4
- M
5
- M
6
- M
7
-
5 Functional earth FE
3-conductor
Constant current line 1
I
C4
+ I
C5
+ I
C6
+ I
C7
+
151
I/O device analog input/analog output
10.1 I/O device analog input
ET 200eco PN
Operating Instructions, 06/2022, A5E01250250-AN