Siemens SIMATIC S5-100U System Manual page 438

Function Modules
Terminal Block
Proximity switches can be connected (contacts, two-wire BERO proximity limit switches) to the
inputs on the terminal block.
1 3 5 7 9
2 4 6 8 10
Figure 15-14. Assignment Diagram for the Terminal Block
• Assignment of Inputs on the Terminal Block
Two-wire BERO proximity limit switches can be connected to the reference input. The enable
input can also be driven by a 24-V DC digital output module.
• Outputs on the Terminal Block
There are two short-circuit protected 24-V DC digital outputs on the terminal block.
• Short-Circuit Indication
A shorted output is indicated by the red LED on the front panel.
15-24
Terminal
1 3 5 7 9
2 4 6 8 10
Terminal Assignment
1 24-V DC supply for the module
2 Ground
3 24-V DC supply for enable signal
4 DI enable signal
5 DQ 24 V/0.5 A setpoint (Q0)
6 Ground
7 24-V DC supply for reference signal
8 DI reference signal
9 DQ 24-V/0.5 A setpoint 2 (Q1)
10 Ground
S5-100U
EWA 4NEB 812 6120-02b