User Manual Q&AAnswer
Mar 29, 2025 - 11:28 AM
To connect the HORNER MAN1339 XLW Prime 7 Inch PLC to power, follow these steps:
1. Make sure you have a Class 2 power supply.
2. Attach a ferrite core with a minimum of two turns of the DC+ and DC- signals from the DC supply that is powering the controllers (optional).
3. Connect the PLC to earth ground.
4. Apply the recommended power to the primary power port.
5. Use solid or stranded wire with a gauge of 12-24 AWG (2.5-0.2mm).
6. Strip the wire to a length of 0.28" (7mm).
7. Torque the terminal hold-down screws to 4.5 - 7 in-lbs (0.50 - 0.78 N-m).
8. Note that DC- is internally connected to I/O V-, but is isolated from CAN V-.
Please refer to the HORNER MAN1339 XLW Prime 7 Inch PLC User Guide for more detailed instructions and precautions regarding power wiring.
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