Preparation For Wiring; Wiring Procedures - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
8.1

Preparation for Wiring

8.1.1

Wiring procedures

Before starting wiring work, make sure that the main power is off.
1
Prepare the parts for wiring.
Prepare the solderless terminals and cables necessary for wiring.
2
Wire the power supply terminals.
In the case of AC power type
• Connect the power supply to the terminals [L] and [N].
In the case of DC power type
• Connect the power supply to the terminals [
Provide the power supply circuit with the protection circuit shown in this subsection.
3
Wire the ground terminal [
(Class D).
Connect a class D ground wire to the terminal.
4
Wire the input [X] terminals.
For input, select sink or source input by the following connection.
In the case of AC power type
• For sink input, connect the [24V] and [S/S] terminals.
• For source input, connect the [0V] and [S/S] terminals.
In the case of DC power type
• For sink input, connect the [
• For source input, connect the [
Connect sensors and switches to the terminals.
5
Wire the output [Y] terminals.
Connect loads to the terminals.
66
8 Preparation for Wiring and Power Supply Wiring Procedures
] and [ ].
] at a grounding resistance of 100 Ω or less
→ For details, refer to Section 8.3 and Section 8.4.
] and [S/S] terminals.
] and [S/S] terminals.
8.1 Preparation for Wiring
→ For details, refer to Section 8.2.
→ For details, refer to Section 8.4.
→ For details, refer to Chapter 9.
→ For details, refer to Chapter 12.