Siemens ET 200S - Page 301

Digital Electronic Modules
11-25
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
Input elec-
tronics
Short-circuit
protection
Reverse pola-
rity protection
1
4*
8*
P2
Input elec-
tronics
1
Input elec-
tronics
2
Input elec-
tronics
Input elec-
tronics
5
Input elec-
tronics
Input elec-
tronics
6
Input elec-
tronics
7
3
* 24 VDC only with TM-E15S24-01 and TM-E15S26-A1
Figure 11-5 Block Diagram of the 4DI 24 VDC High Feature