HART communication

The use of the HART multiplexer in combination with a HART termination board or pac-Carrier is a practical means of enabling HART communication between field devices and a HART Asset Management System. The devices enable HART signals to be coupled and decoupled. The 4–20 mA signals are linked to the HART termination board and the HART multiplexer communicates with the individual field devices consecutively. Communication to the HART Asset Management System is performed via RS-485. The signal can be converted to RS-232 using the fieldbus isolating repeater. Special transducers are available as accessories for conversion to an Ethernet signal. CommDTM is used for integration into FDT software.

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Product Description
RS-485 interface protocol

2 Series (3 Products)

HART-Multiplexer Series 9192

  • Multiplexers for HART field devices with 32 channels
  • Simple application: HART Mux master and HART Mux slave in one device
  • Can be used up to SIL 3

HART Termination Board Series 9196

  • Cost- and space-saving system for HART communication
  • Different variants available with or without signal conversion
  • Easy to install on DIN rail

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