Wiring
Analog Input Module AI 8xU/R/RTD/TC HF (6ES7531-7PF00-0AB0)
22 Manual, 09/2016, A5E36647959-AB
Connection: Non-grounded thermocouples for external/internal compensation and connection of a
resistance thermometer (RTD) to channel 8 (CH8) or the reference channel
The following figure shows an example of the pin assignment of non-grounded
thermocouples for external/internal compensation and the connection of a resistance
thermometer (RTD) at the reference channel.
Wiring of a thermocouple (non-grounded) for internal compensa-
CHx Channel or 9 x channel status
Wiring of a thermocouple (non-grounded) for external compensa-
RUN Status display LED (green)
Analog-to-Digital Converter (ADC)
LED for power supply (green)
Supply voltage via power supply element
Backplane bus interface potential bonding cable (optional)
Figure 3-4 Block diagram and pin assignment for non-grounded thermocouples and resistance thermometers
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