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FX3S Series Programmable Controllers
User's Manual - Hardware Edition
8 Preparation for Wiring and Power Supply Wiring Procedures
8.1 Preparation for Wiring
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.
For details, refer to Section 8.2.
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 [ ] and [ ].
Provide the power supply circuit with the protection circuit shown in this subsection.
For details, refer to Section 8.4.
3 Wire the ground terminal [ ] at a grounding resistance of 100or less
(Class D).
Connect a class D ground wire to the terminal.
For details, refer to Section 8.3 and Section 8.4.
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 [ ] and [S/S] terminals.
• For source input, connect the [ ] and [S/S] terminals.
Connect sensors and switches to the terminals.
For details, refer to Chapter 9.
5 Wire the output [Y] terminals.
Connect loads to the terminals.
For details, refer to Chapter 12.