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.
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0[
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9ROWDJHVHQVRU
0RGXOH
0RGXOH
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.
ET 200PA SMART I/O modules
10.4 Analog input modules
ET 200PA SMART
190 Operating Instructions, 06/2019, A5E34192013-AB
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