Siemens ET 200S - Page 459

Analog Electronic Modules
12-103
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
The following table indicates the terminal assignment of the 2AI RTD Standard on
the terminal module.
Table 12-85Terminal 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+
M0–
M
0+
I
C0–
2 conductors 3 conductors
TM-E15S24-01 and 2AI RTD Standard
CH0
CH1
4 conductors
Channel 0: Terminals 1 to 4
Channel 1: Terminals 5 to 8
M+: Measuring line (positive)
I
C–
: Constant-current line
(negative)
M–: Measuring line (negative)
I
C+
: Constant-current line
(positive)
2
3
4
6
7
8
1
5
I
C1+
M
1–
M
1+
I
C1–
I
C0+
M0–
M
0+
I
C0–
2 conductors 3 conductors
TM-E15S26-A1 and 2AI RTD Standard
CH0
CH1
4 conductors
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 line (positive)
I
C–
: Constant-current line
(negative)
M–: Measuring line (negative)
I
C+
: Constant-current line
(positive)
Note
A wire break in the measuring lines of the temperature sensors for three- or
four-conductor connections (connections 1 and 2, or 5 and 6) is not detected.
Undefined values can be reported.