Emerson Micro Motion 1700 - Wire the Transmitter to the Remote Core Processor

User-supplied 4-wire cable must meet the following requirements:
• Twisted pair construction.
• Applicable hazardous area requirements, if the core processor is installed in a
hazardous area.
• Wire gauge appropriate for the cable length between the core processor and the
transmitter.
Wire gaugeTable 5-1:
Wire gauge Maximum cable length
VDC 22 AWG (0.35 mm
2
) 300 ft (90 m)
VDC 20 AWG (0.5 mm
2
) 500 ft (150 m)
VDC 18 AWG (0.8 mm
2
) 1000 ft (300 m)
RS-485 22 AWG (0.35 mm
2
) or larger 1000 ft (300 m)
5.4 Wire the transmitter to the remote core
processor
1. If you are installing a Micro Motion-supplied cable gland at the core processor
housing, identify the cable gland to use for the 4-wire cable conduit opening.
Cable gland identificationFigure 5-8:
A
B
C
A. Cable gland used with 4-wire conduit opening
B. 3/4"–14 NPT cable gland used with 9-wire conduit opening
C. 1/2"–14 NPT or M20x1.5 cable glands used with transmitter
2. Connect the cable to the core processor as described in the sensor documentation.
Mounting and sensor wiring for remote core processor with remote sensor installations
56 Micro Motion
®
Model 1700 and 2700