Siemens SIMATIC S7-1500R/H Getting Started page 19

Introduction to the example
1.5 Wiring diagram for a tunnel section
Connect light control function
The following figure shows the wiring of the light control on the DQ 4x24..230VAC/2A HF
digital output module
The lamps are dimmed via the Phase angle control - Phase angle proportional function of
the digital output mode:
● L1 → Entry light
● L2 → Interior light
Figure 1-8
18
⑥
.
Wiring of the traffic lights
S7-1500R/H redundant system
Getting Started, 10/2018, A5E44910930-AA