Siemens SIMATIC ET 200S - Terminal Assignment of the 2 AI RTD Standard

Analog Electronic Modules
12-79
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
The following table shows the terminal assignment of the 2AI RTD Standard at the
terminal module.
Table 12-45 Terminal assignment of the 2AI RTD Standard
View
Terminal assignment Remarks
2
3
4
6
7
8
1
5
I
C1+
M
1--
M
1+
I
C1--
I
C0+
M 0--
M
0+
I
C0--
2-wire 3-wire
TM-E15S24-01 and 2AI RTD Standard
CH0
CH1
4-wire
Channel 0: Terminals 1 to 4
Channel 1: Terminals 5 to 8
M+: Measuring cable positive
I
C--
: Constant current cable
negative
M--: Measuring cable
negative
I
C+
Constant current cable
positive
2
3
4
6
7
8
1
5
I
C1+
M
1--
M
1+
I
C1--
I
C0+
M 0--
M
0+
I
C0--
2-wire 3-wire
TM-E15S26-A1 and 2AI RTD Standard
CH0
CH1
4-wire
AUX1
A
4
A
3
A
8
A
7
AUX1
AUX1
AUX1
Channel 0: Terminals 1 to A3
Channel 1: Terminals 5 to A7
M+: Measuring cable positive
I
C--
: Constant current cable
negative
M--: Measuring cable
negative
I
C+
Constant current cable
positive
Note
A wire break in the measuring wires of the temperature sensor is not detected with
a 3 or 4-wire terminal (terminals 1 and 2 or 5 and 6). Undefined words may be
returned.