BKI16ATEX0018X ♦ htk4014a0600p_03 ♦ 29 / 76
4.3.1 BUS ( HART
®
) COMMUNICATION
Current out. and HART®, Passive, HART® protocol Microtrek has two output options:
’Ex ia’ current out. and HART® Intrinsically safe passive, HART® protocol
In accordance with the Rosemount Standard, HART® communication can be used with a MicroTREK 2-wire.
It is used as a point-to-point connection between the MicroTREK 2-wire as slave and the HART® master.
N x 4 mA + HART
HART
HHC
-
HART-Master
4…20 mA + HART
Modem
HART
HHC
-
EView2
or HART specific
software and
operating devices
SAK-305
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