Siemens simatic S7-1500 Manual page 14

Wiring
Wiring and block diagram
The example in the following figure shows the terminal assignment and the assignment of
the channels to the addresses (output byte a to output byte d).
①
Backplane bus interface
xL+ Supply voltage 24 V DC
xM Ground
Figure 3-1 Block diagram and terminal assignment
Note
When the 24 V supply voltage is switched on at each channel, there is a "1" signal at the
module outputs for approx. 50 μs.
14
CHx Channel or channel status LED (green/red)
RUN Status display LED (green)
ERROR Error display LED (red)
PWR POWER supply voltage LED (green)
Digital output module DQ 32x24VDC/0.5A HF (6ES7522-1BL01-0AB0)
Manual, 09/2016, A5E35683508-AB