Block diagram and pin assignment for 4-wire transmitter for current measurement
The example in the following figure shows the pin assignment for current measurement with
4-wire transmitters.
①
Wiring 4-wire transmitter
②
Analog-to-Digital Converter (ADC)
③
Backplane bus interface
④
Supply voltage via power supply element
⑤
Equipotential bonding cable (optional)
Figure 3-3
Block diagram and pin assignment for 4-wire transmitter for current measurement
Analog Input Module AI 8xU/I HS (6ES7531-7NF10-0AB0)
Manual, 12/2016, A5E03484886-AE
CHx
Channel or 8 x channel status (green/red)
RUN
Status display LED (green)
ERROR
Error display LED (red)
PWR
LED for power supply (green)
Wiring
17