Siemens ET 200S - Page 334

Digital Electronic Modules
11-58
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Block Diagram
Backplane bus
ET 200S
backplane bus
interface module
L+
1M
P1
P2
Reverse polarity
protection and inter-
nal voltage supply
3
7
8*
4*
1
2
5
6
* M only for TM-E15S24-01
Figure 11-13 Block Diagram of the 4DO 24 VDC/2 A Standard