Isolation / conversion
Precise flow measurements are needed from both the ethanol and water pipes.
This task is solved using 2 two-wire styled flow transmitters. Signal isolation and conversion is needed for connecting the 4…20 mA signal to a PLC with a standard 0…10 VDC AI card. The perfect choice, which adds robust EMC protection and local diagnostics, is two of the PR 4104 universal uni-/bipolar signal transmitter.
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