
PanaFlow™ MV80, MV82 & MV84 User’s Manual
97
Chapter 4. Serial Communications
Chapter 4. Serial Communications
4.1
HART Communications
The HART Communications Protocol (Highway Addressable Remote Transducer Protocol) is a bidirectional digital
serial communications protocol. The HART signal is based on the Bell 202 standard and is superimposed on the 4-20
mA Output 1. Peer-to-peer (analog/digital) and multi-drop (digital only) modes are supported.
4.1.1
Wiring
WARNING!
Place the controls in manual mode when making configuration changes to the vortex
meter.
The following diagrams show the proper connections required for HART communications:
4.1.1.1
HART Loop Powered Meter Wiring
/223
32:(5
)5(4
287
38/6(
287
237,21$/
%$&./,*+7
32:(5
R load,
250 ohm
minimum
+
_
DC
Power
Supply
Remote Connection
for Communicator
Current
Meter
Field Connection
for Communicator
Vortex Meter
Figure 110: HART Loop Powered Meter Wiring
Содержание PanaFlow MV80
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