Wiring The Power Supply Module - Mitsubishi Electric MELIPC MI5A1P User Manual

2.3

Wiring the Power Supply Module

This section shows the information for wiring the power supply module.
Precautions
Be aware of the following points when wiring the power supply module. Furthermore, wait for about 5 seconds between
turning the power supply OFF and ON.
• Wire the power supply module correctly.
• Make sure the voltage supplied to the power supply module is correct. ( Page 115 Performance specifications)
Terminal block
The following shows the terminal block of the power supply module.
No. Name
(1) ERRContact output
*2
(2) FG terminal
*2
(3) LG terminal
(4) Power input terminal (N)
(5) Power input terminal (L)
*1 Arrange ERR contact output cables within the control panel with a length of 30 m or less.
*2 Ensure the FG and LG terminals are grounded with at least class D grounding (3rd class grounding).
*3 The power input terminal (L) has a fuse built in. If the power supply for a power supply module is grounded, connect the power supply on
the grounded side to the N terminal, and the one on the ungrounded side to the L terminal.
Wiring specifications
The following shows the wiring specifications of the power supply module.
Item
Solderless terminal
Electrical cable
*1 For ERR terminals.
2 PRODUCT INSTALLATION
30
2.3 Wiring the Power Supply Module
(1)
(2)
(3)
(4)
(5)
Description
*1
ON when the system is operating normally.
This contact turns OFF (opens) in the following cases:
• When the power is not supplied
• When a stop error (including reset) occurs
• When the fuse is blown
A functional ground terminal connected to the shield pattern of the printed circuit board.
This product has a functioning grounding terminal.
A functional ground terminal for the power supply input filter.
This product has a functioning grounding terminal.
*3
A power input terminal for the power supply module.
100 to 240 VAC power input.
*3
Terminal screw size
Solderless terminal
Applicable tightening torque for a
terminal block
Diameter
Type
Material
Rated temperature
Specification
M4
*1
• RAV1.25-4
• RAV2-4
1.02 to 1.38 Nm
*1
AWG18 to 14
Stranded wire
Copper wire
75 or higher