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Terminal Wiring Guidelines,
Functions, Ratings, and
Requirements
Input and Output wiring guidelines
Table 2 provides information and guidelines
about the functions, ratings, and requirements
for the controller input and output terminals; and
references guidelines for determining proper wire
sizes and cable lengths.
In addition to the wiring guidelines in Table 2,
observe these guidelines when wiring controller
inputs and outputs:
• Run all low-voltage wiring and cables separate
from high-voltage wiring.
• All input and output cables, regardless of wire
size or number of wires, should consist of
stranded, insulated, and twisted copper wires.
• Shielded cable is not required for input or output
cables.
• Shielded cable is recommended for input
and output cables that are exposed to high
electromagnetic or radio frequency noise.
• Inputs/outputs with cables less than 30 m (100 ft)
typically do not require an offset in the software
setup. Cable runs over 30 m (100 ft) may require
an offset in the input/output software setup.
8
IOM1711 and IOM2711 Input/Output Module Installation Guide
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