Siemens Simatic S7-1500 Manual page 15

Block diagram and pin assignment for the current output
The following figure shows an example of the pin assignment for current output circuitry.
①
Load on current outputs
②
Digital-to-analog converter (DAC)
③
Backplane bus interface
④
Supply voltage via power supply module
Figure 3-3 Block diagram and pin assignment for the current output
Analog output module AQ 4xU/I ST (6ES7532-5HD00-0AB0)
Manual, 09/2016, A5E03484696-AD
CHx Channel or 4 x channel status (green/red)
RUN Status display LED (green)
ERROR Error display LED (red)
PWR LED for power supply (green)
Wiring
15