Wiring
Analog Input Module AI 8xU/R/RTD/TC HF (6ES7531-7PF00-0AB0)
20 Manual, 09/2016, A5E36647959-AB
Block diagram and pin assignment for voltage measurement
The example in the following figure shows the pin assignment for voltage measurement.
Analog-to-Digital Converter (ADC)
Channel or 9 x channel status (green/red)
Status display LED (green)
Supply voltage via power supply element
LED for power supply (green)
Equipotential bonding cable (optional)
Figure 3-2 Block diagram and pin assignment for voltage measurement
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