Remote Core Processor; I.s. Barrier - Emerson Micro Motion 3711 Configuration And Use Manual

Installation Types and Components
Figure A-2 Installation architecture – Remote core processor with remote transmitter
Sensor
Junction box
A.3

Remote core processor

In remote core processor with remote transmitter installations, the core processor is installed
stand-alone, as shown in Figure A-3.
Figure A-3 Remote core processor components
Conduit opening
for 4-wire cable
Conduit opening
for 9-wire cable
Mounting bracket
A.4

I.S. barrier

An I.S. barrier is installed between the Model 3711 and the core processor. Figure A-4 shows the
terminals at the I.S. barrier. Table A-1 shows how the terminals at the Model 3711, the barrier, and the
core processor are matched.
Note: Do not use the MVD+ and MVD– terminals to supply power to the I.S. barrier. Instead, use the
PWR+ and PWR– terminals. For more information, see the Model 3711 installation manual.
Note: For information on sensor terminals, see the document entitled Micro Motion 9-Wire Cable
Installation and Preparation Guide.
190
Hazardous area
4-wire cable
9-wire cable
Model 3711
Safe area
Power supply cable
I.S. barrier
RS-485 cable
Core processor
Core processor lid
4 X Cap screws (4 mm)
Core processor housing
End-cap
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Micro Motion Model 3711 Gas Flow Computers