68 PositionMaster EDP300 DIGITAL POSITIONER | OI/EDP300-EN REV. D
… 9 Operation
… Parameter descriptions
Menu: Communication
Menu / parameter Value range Description
Communication
HART Version HART 5, HART 7
Use this parameter to define the HART protocol via which the device is to communicate.
• HART 5 – HART® Protocol 5.9
• HART 7 – HART® Protocol 7.2 (factory setting)
Note
• If the HART® 7 function ‘Write protection (Lock ALL)’ has been activated via the DTM / EDD and
communication has been switched to HART® 5 on the device, write protection is canceled when the
device is restarted.
• In the event of a switch from HART® 7 to HART® 5, if write protection has been activated via HART 7,
it is deactivated when the device is restarted.
• When switching from HART® 5 to HART® 7, device addresses greater than number 15 are set to 0.
Find Device* Off
*
Find Once*
Find Continuous*
If ‘Find Once’ is selected, after HART command #73 is received the device responds once with HART
command #73, which has the same content as command #0.
If ‘Find Continuous’ is selected - after HART Command #73 is received, the device responds recurrently
with HART Command #73, which has the same content as Command #0.
Selecting the ‘Off’ parameter ends the ‘Find Device’ function.
* Parameter only visible if HART® 7 has been selected.
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