Siemens SIMATIC Distributed I/O ET 200eco PN Operating Instructions Manual page 158

• Diagnostics
– "No 1L+" supply voltage
– "Wire break"
– "Underflow"
– "Overflow"
• Permitted common-mode voltage AC 10V
• 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 7FFF
Pin assignment
The tables below show the pin assignment for the 8 AI RTD/TC 8xM12 electronic module.
Table 10-4 Pin assignment for RTD for the 8 AI RTD/TC 8xM12 electronic module
Pin
Socket X1 Socket X2
(Channel (Channel
0) 4)
4-conductor
1
I + I
C0 C4
2
M + M
0
3
I - I
C0 C4
4
M - M
0
5 Functional earth FE
3-conductor
1
I + I
C0 C4
2
M + M
0
3
I -, M - I -, M
C0 0 C4
4
5
ET 200eco PN
Operating Instructions, 06/2022, A5E01250250-AN
.
H
Assignment for RTD
Socket X3 Socket X4
(Channel (Channel
1) 5)
Constant current line
+ I + I
C1 C5
Measurement cable
+ M + M
4 1 5
Constant current line
- I - I
C1 C5
Measurement cable
- M - M
4 1 5
Constant current line
+ I + I
C1 C5
Measurement cable
+ M + M
4 1 5
Constant current line and measurement cable
- I -, M - I -, M
4 C1 1 C5
Functional earth FE
PP
Socket X5 Socket X6
(Channel (Channel
2) 6)
+ I + I +
C2 C6
+ M + M +
2 6
- I - I -
C2 C6
- M - M
2 6
+ I + I +
C2 C6
+ M + M +
2 6
- I -, M - I -, M
5 C2 2 C6
Not used
I/O device analog input/analog output
10.1 I/O device analog input
Socket X7 Socket X8
(Channel (Channel
3) 7)
I + I +
C3 C7
M + M +
3 7
I - I -
C3 C7
- M - M -
3 7
I + I +
C3 C7
M + M +
3 7
- I -, M - I -, M
6 C3 3 C7
View of socket
(front view)
-
7
159