
190
Micro Motion
®
Model 3711 Gas Flow Computers
Installation Types and Components
Figure A-2
Installation architecture – Remote core processor with remote transmitter
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
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
.
Core processor
Junction box
Model 3711
I.S. barrier
9-wire cable
Power supply cable
RS-485 cable
Sensor
4-wire cable
Hazardous area
Safe area
End-cap
Mounting bracket
Core processor lid
Core processor housing
Conduit opening
for 4-wire cable
Conduit opening
for 9-wire cable
4 X Cap screws (4 mm)
Содержание Micro Motion 3711
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