Siemens SIMATIC S5 ET 200U - Assignment Diagram for the Terminal Block

9-25
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
You can connect proximity switches (contacts, two–wire BERO proximity
limit switches) to the inputs on the terminal block (see Figure 9-14).
Terminal Terminal Assignment
24 V DC Supply for the Module
Ground
1
2
24 V DC Supply for Enable Signal
DI Enable Signal
3
4
DQ 24 V / 0.5 A Setpoint 1 (Q0)
Ground
5
6
24 V DC Supply for Reference Signal
DI Reference Signal
7
8
DQ 24 V / 0.5 A Setpoint 2 (Q1)
Ground
9
10
1
2
3
4
5
6
7
108
9 13579
246 108
Figure 9-14Assignment Diagram for the Terminal Block
 Assignment of Inputs on the Terminal Block
You can connect two–wire BERO proximity limit switches to the refer-
ence input. The enable input can also be driven by a 24 V DC digital out-
put module.
 Outputs on the Terminal Block
There are two short–circuit protected 24 V DC digital outputs on the ter-
minal block.
 Short–Circuit Indication
The red LED on the front panel indicates a shorted output.
Function Modules