Siemens SIMATIC ET 200S Manual page 306

Digital Electronic Modules
Table 12-4 Terminal assignment of the 2DI 24 VDC Standard
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CH0
DI
0
1
24 VDC
2
M
3
TM-E15S26-A1 and 2DI 24 VDC Standard
CH0
DI
0
1
5
24 VDC
2 6
M
3 7
n. c.
4 8
A A
AUX1
4 8
A A
AUX1
3 7
12-10
TM-E15S23-01 and 2DI 24 VDC Standard
CH1
2 conductors
DI
1
5
24 VDC
6
M
7
CH1
2 conductors 3 conductors
DI
1
24 VDC
M
n. c.
AUX1
When there are 4 conductors,
AUX1
AUX1 must be applied to PE.
Terminal assignment
3 conductors
4 conductors
Remarks
Channel 0:
Terminals 1 to 4
Channel 1:
Terminals 5 to 8
DI: Input signal
24 VDC: Sensor supply
M: Chassis ground
Channel 0:
Terminals 1 to A3
Channel 1:
Terminals 5 to A7
DI: Input signal
24 VDC: Sensor supply
M: Chassis ground
Terminals 4 and 8 can be
used for unneeded wires
of up to 30 VDC.
ET 200S Distributed I/O System
EWA-4NEB780602402-09