Industrial Electronic Devices
ADFweb.com S.r.l.
Document code: MN67912_ENG Revision 1.000 Page 10 of 30
HART:
“HART” is an acronym for Highway Addressable Remote Transducer. The HART Protocol makes uses Frequency Shift Keying (FSK) standard
to superimpose digital communication signals at a low level on top of the 4-20mA. This enables two-way field communication to take place
and makes it possible for additional information beyond just the normal process variable to be communicated to/from a smart field
instrument.
It is possible to provide the current loop for HART communication and an additional low power supply @ 24 V DC for feeding HART devices
by setting Dip-Switch D at ON position.
Current loop for HART is required when there is not an external device in the bus that provides it.
To Next Page
