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Description of hart interface – KROHNE MFC 400 EN User Manual

Page 136

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9

DESCRIPTION OF HART INTERFACE

136

MFC 400

www.krohne.com

08/2013 - 4002075802 - MA MFC 400 R02 en

9.3.1 Point-to-Point connection - analogue / digital mode

Point-to-Point connection between the signal converter and the HART

®

Master.

The current output of the device may be active or passive.

1 Primary master
2 FSK modem or HART

®

modem

3 HART

®

signal

4 Analog indication
5 Signal converter terminals A (C)
6 Signal converter terminals A- (C-)
7 Signal converter with address = 0 and passive or active current output
8 Secondary Master
9 Power supply for devices (slaves) with passive current output
10 Load ≥ 250 Ω (Ohm)

.book Page 136 Monday, August 26, 2013 9:05 AM