63
4. Close the compartment covers.
3-2 Wiring
3-2-1 Power Supply Wiring
AC Power Supply Units
Note 1. Do not remove the protective label from the top of the Unit before wiring. This
label is to prevent wiring clippings and other foreign matter from entering the
Unit during wiring procedures.
2. After completing the wiring, remove the protective label from the top of the
Unit before starting operation. The Unit will overheat if operated with this
label in place.
C200HW-PA204 or
C200HW-PA204S
Power Supply Unit
Screw (3.5 mm head with
self-raising pressure plate)
1:1 isolation
transformer
AC power
source
Voltage selector
24-VDC output
Note The AC input terminals may
be indicated as L
1
/N and L
2
instead of L
2
/N and L
1
on
some Units. However, there
is no difference in their func-
tions or performance.
L
2
/N
L
1
L
1
/N
L
2
Wiring
Section 3-2