2. Wiring of PCS-DS51
73
Exterior Wiring
There are mainly the following three types of cables that are lead out from the cabinet. This
section describes these three types of cable wiring.
•
Ethernet outside cable
•
Process signal cable
•
Power supply cable
z
Wiring outside Board
“Outside the board” means basically from the outside cable to the relay terminal board. This
section describes how to wire the outside cable.
Wiring environment and application work
The wiring work for the outside cable is done according to the environment. Table 2.11 lists
typical works.
Table 2.11 Wiring Environment and Application Work
Location to Wire the Cable (Environment)
Large Category Small Category
Details of Work
Environment that
doesn
’
t damage the
cable
-
Work without tubing
Tubing work
Environment that
damages the cable
Environment where people or
things move usually
Tubing work
Environment affected by
moisture, chemicals, oil, and
heat
Metal tube work
Environment where animals
such as mice may damage the
cable
Tubing work
Environment subject to
significant mechanical shocks
or pressure due to heavy weight
Metal tube work
Environment where
problems due to
electromagnetic
induction may occur
-
Cable isolation and
protection work
Metal tube work
(Note) For the tubing work, a metal duct or hard vinyl ductmay be used.
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