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Block diagram and terminal assignment for 4-wire transducer for current measurement
The example in the following figure shows the pin assignment for current measurement with
4-wire transducers.
①
Connector 4-wire transducer
②
Analog-to-Digital Converter (ADC)
③
Electrical isolation
④
Backplane bus interface
⑤
Supply voltage via power supply element
⑥
Equipotential bonding cable (optional)
Figure 3-3
Block diagram and terminal assignment for 4-wire transducer for current measurement
Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0)
Manual, 09/2016, A5E36649087-AB
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
23
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