Siemens SITRANS LR500 Series - HART Communication Details; HART Communication Protocol; HART Communication Application

South Korea-KCC Regulatory Information
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D.3
HART
D.3.1 HART communication
Speci󹪝c device versions (6 m, 12 m) support HART communication protocol. For more
information, see Communication (HART) (Page215).
D.3.2 Communication (HART)
Highway Addressable Remote Transducer (HART) is an industrial protocol that is superimposed
on the 4 to 20 mA signal. It is an open standard and full details about HART can be obtained from:
• HART Communication Foundation (https://󹪝eldcommgroup.org/)
SITRANS LR500 can be con󹪝gur
ed over the HART network using the HART Communicator
TREX by Emerson, or a software package. The recommended software package is the
SIMATIC Process Device Manager (PDM) by Siemens.
HART version
SITRANS LR500 conforms to HART revision 7.6.
HART multi-drop mode
HART multi-drop mode allows the connection of multiple 󹪝eld devices via HART. To setup
multi-drop mode via a HART network, the polling address must be set.
To set up multi-drop mode via the HMI:
1. Set the polling address (Polling address (4.1) (Page145))
2. Set the device mode (Loop current mode (2.4.1) (Page120))
3. Set the mA value for multi-drop mode (Loop current value in multidrop mode (2.4.2)
(Page120))
SIMATIC PDM
This software package is designed to permit easy con󹪝guration, monitoring, and
troubleshooting of HART devices. The HART EDD for SITRANS LR500 was written with
SIMATIC PDM in mind and has been extensively tested with this software. For more
information, see Overview SIMATIC PDM (Page207).
Remote operation
D.3HART
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA 215