HART- .
"-" (. 5.1, ), ( , ..) .
. 5.1. HART-
, , () , - HART- . .
, . , .
(. 5.1, ), 15 (slave) (master). . 4 . HART- . 5.2.
. 5.2.
HART- (Frequency Shift Keying, FSK), Bell 202. 1200 ( 1) 2200 ( 0), (. 5.3). - 4-20 . HART 1,2 /. HART- .
270 ). 2-3 / 3-4 . , .
HART- , 230-1100 . . HART-. , , - HART-.
HART- . .
. 5.3. HART-
6.