Siemens SIMATIC ET 200S - Block Diagram of the 2 DI 230 VAC Standard

Digital Electronic Modules
11-46
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Table 11-18 Terminal assignment of the 2DI 230 VAC Standard, continued
View RemarksTerminal assignment
NN
L1L1
2
3
4
6
7
8
1
5
DI
1
DI
0
2-wire 3-wire
TM-E15S26-A1 and 2DI 230 VAC Standard
CH1CH0
AUX1
A
4
A
3
A
8
A
7
AUX1
AUX1
AUX1
n. c.n. c.
4-wire
AUX1 must be
occupied with 4 wires at
PE
Channel 0: Terminals 1 to
A3
Channel 1: Terminals 5 to
A7
DI: Input signal
L1: Sensor supply
N: Neutral wire
Terminals 4 and 8 can be
used for connection of
cables that are not required
up to 230 VAC.
Block diagram
Backplane bus
ET 200S
backplane
bus
circuit
L1
N
P1
1
3
7
2
6
5
P2
Figure 11-12 Block diagram of the 2DI 230 VAC Standard