Siemens ET 200S Manual page 283

Table 11-3 Terminal Assignment of the 2DI 24 VDC Standard
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TM-E15S26-A1 and 2DI 24 VDC Standard
CH0 CH1
DI
DI
1
0
1
5
24 VDC 24 VDC
2 6
M M
3 7
n. c. n. c.
4 8
A A
AUX1 AUX1
4 8
A A
AUX1 AUX1
3 7
Block Diagram
1M
P1
P2 L+
Figure 11-1
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Terminal Assignment
2 conductors 3 conductors
When there are 4 conductors,
AUX1 must be applied to PE.
Block Diagram of the 2DI 24 VDC Standard
Digital Electronic Modules
Remarks
Channel 0:
Terminals 1 to A3
Channel 1:
Terminals 5 to A7
4 conductors
DI: Input signal
24 VDC: Sensor supply
M: Ground
Terminals 4 and 8 can be
used for unneeded wires
of up to 30 VDC.
Input elec-
tronics
Input elec-
tronics
1
5
3
7
2
6
11-7