Power Supply Precautions

DANGER
SHORT CIRCUIT, FIRE, OR UNINTENDED EQUIPMENT OPERATION Install and fasten this product in an installation panel or cabinet prior to connecting power supply and communication lines. Securely attach power cables to an installation panel or cabinet. Avoid excessive force on the power cable. Failure to follow these instructions will result in death or serious injury.

This product's power cord should not be bundled with or kept close to main circuit lines (high voltage, high current), power lines, or input/output lines (such as communication wires), and their various systems should be kept separate. When power lines cannot be wired via a separate system, use shielded cables for input/output lines.
An independent DC power supply is recommended for this product. (The DC power supply should be located close to the product, with twisted pair cabling as short as possible.)
To increase noise resistance, attach a ferrite core to the power cable.

If the voltage variation is outside the prescribed range, connect a regulated power supply.
1. Regulated power supply
2. Twisted-pair cord
3. This product

The Vin- and SG (signal ground) / FG (functional ground) terminals are connected internally in this product. If the 0 Vdc output of the DC power supply is grounded, a ground loop may be formed, causing the return current of the power supply to flow through the FG path. It is recommended to design the system so that ground loops are not created, for example by ensuring that the DC power supply output is not grounded.
1. DC power supply
2. This product