Emerson 20002158 Benutzerhandbuch
•
Twisted pair construction.
•
Applicable hazardous area requirements, if the core processor is installed in a
hazardous area.
hazardous area.
•
Wire gauge appropriate for the cable length between the core processor and the
transmitter.
transmitter.
Wire gauge
Table 3-2:
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)
3.2.2
Connect the wires to the core processor terminals
After the 4-wire cable has been prepared and shielded (if required), connect the individual
wires of the 4-wire cable to the terminals on the core processor.
wires of the 4-wire cable to the terminals on the core processor.
Wiring
Installation Manual
25