5 Installation and Wiring
5-14
CP1E CPU Unit Hardware User’s Manual(W479)
5-3
Wiring
This section describes wiring methods for the CPU Unit.
Make sure that the power supply is OFF before beginning wiring.
•
Wire a separate circuit for the power supply circuit so that there is no voltage drop from the inrush
current or startup current that flows when other equipment is turned ON.
•
When several CP1E PLCs are being used, it is recommended to wire the PLCs on separate cir-
cuits to prevent a voltage drop from the inrush current or incorrect operation of the circuit breaker.
5-3-1
Wiring Procedure
1. Prepare the parts required for wiring.
Prepare crimp terminals and cables for
wiring.
−
2. Connect the power supply terminals.
Connect power supply to power supply
terminals L1 and L2/N.
Refer to 5-3-2 Wiring Power Supply
and Ground Lines.
3. Ground the ground terminal(
).
Ground to 100
Ω
or less.
Refer to 5-3-2 Wiring Power Supply
and Ground Lines.
4. Connect the input terminals.
Connect sensors and switches to the
terminals.
Refer to 5-3-3 I/O Wiring.
5. Connect the output terminals.
Connect loads to the terminals.
Refer to 5-3-3 I/O Wiring.
5-3-2
Wiring Power Supply and Ground Lines
Wiring AC Power Supply and Ground
MCCB
Ground to 100
Ω
or less
Upper Terminal Block
S
R
GR: Protective ground terminal
LG: Functional ground terminal
L2/N COM
01
03
09
01
05
07
11
03
05
07
09
11
L1
00
02
04
06
08
10
00
02
04
06
08
10
100 to 240 VAC, 50/60 Hz
Содержание CP1E-E10DT-A
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