5-23
5 Installation
CJ2 CPU Unit Hardware User’s Manual
5-3 Wiring
5
5-3-1 Power Supply Wiring
z Crimp Terminals
The terminals on the Power Supply Unit are M4, self-raising terminals with screws.
Precautions for Correct UsePrecautions for Correct Use
• Use crimp terminals for wiring.
• Do not connect bare stranded wires directly to terminals.
• Tighten the terminal block screws to the torque of 1.2 N·m.
• Use crimp terminals (M4) having the dimensions shown below.
z Crimp Terminals for DC Power Supply
An alarm output is provided on Power Supply Units with a replacement notification function. Connect
the alarm output to a PLC's Input Unit or external LED indicator to enable notification when Power Sup-
ply Unit replacement is required.
z CJ1W-PA205C Power Supply Unit
z Output Specifications
• ON (normal): Power Supply Unit replacement not required for at least 6 months.
• OFF: Power Supply Unit replacement required within 6 months.
• Transistor open-collector outputs
• Maximum switching capacity: 30 VDC max., 50 mA max.
• ON: Residual voltage of 2 V max., OFF: Leakage current of 0.1 mA max.
Alarm Output
7 mm max.
7 mm max.
AC100-240V
INPUT
NC
NC
L1
L2/N
CJ1W-PA205C
POWER
TEST
ALARM OUTPUT
DC30V, 50mA
NORMAL:ON
ALARM:OFF
L
Alarm output (replacement notification output)
ON: Power Supply Unit replacement not
required for at least 6 months.
OFF: Power Supply Unit replacement required
within 6 months.
24 VDC
power supply
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