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 and output byte b).
①
xL+
xM
Figure 3-1
Note
Upon activation of the 24 V supply voltage, there is a "1" signal at the module outputs for
approx. 50 μs.
14
Backplane bus interface
Supply voltage 24 V DC
Ground
Block diagram and terminal assignment
CHx Channel or channel status LED (green)
RUN Status display LED (green)
ERROR Error display LED (red)
PWR POWER supply voltage LED (green)
Digital output module DQ 16x24VDC/0.5A BA (6ES7522-1BH10-0AA0)
Manual, 09/2016, A5E32364017-AC