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ET 200PA SMART I/O modules
10.4 Analog input modules
Redundant use
In the case of the voltage measurement, the voltage sensor can be connected to both modules
for each channel without additional external protection circuit.
In the case of the thermocouple measurement, the sensors must be available redundantly.
This is shown in the following figure for channel 4 as an example.
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Operating Instructions, 06/2019, A5E34192013-AB
ET 200PA SMART
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