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B-5
Model 275 HART Communicator
Figure B-2. Rear Connection Panel
with Optional NiCad Recharger Jack.
Figure B-3. Connecting the Model 275
to a Transmitter Loop.
Loop Connection Ports
Optional NiCad
Recharger Jack
Serial Port
2
75-
008A
B
Power/Signal Terminals
Signal loop may be grounded at any point
or left ungrounded.
Power
Supply
250
V
≤
R
L
≤
1100
V
A HART communicator may be
connected at any termination point in
the signal loop. Signal loop must have
between 250 and 1100 ohms load for
communications.
3144-
02
00H
01A
,
268-
11
51F
05C