Wire the transmitter to the remote core processor – Emerson MICRO MOTION 1700 User Manual
Page 61
•
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 gauge
Table 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 identification
Figure 5-8:
C
A
B
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.
3.
Feed the wires from the remote core processor through the conduit opening.
Mounting and sensor wiring for remote core processor with remote sensor installations
Installation Manual
57