Emerson 475 communicator Original Germany 475 communicator
Emerson 475 communicator-working online with Hart :
The 475 Field Communicator can communicate with a device from the control room, on the bench, or any wiring termination point in the loop.
Connect the 475 Field Communicator with the appropriate connectors in parallel with the device or load resistor. The HART connectors are not polarity sensitive.
A minimum of 250 ohms resistance must be present in the HART loop for the 475 Field Communicator to function properly. For information about Intrinsically Safe connections, see Appendix B.
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