User`s manual

Connect the power cable following the steps below.
1. Check to make sure the Power is Off.
2. With a plus screwdriver, remove the cover on the Power Input Termi-
nal Block.
3. Disconnect the screws from the 3 terminals to be used, align the wire
rings and re-insert the screws.
(Please make sure the connection of the wires are correct.)
• The torque necessary for fastening the screws is between 0.5-
0.6N
•m.
Please pay special attention to the following instructions when connecting
the power cable to the GP unit.
• If the supply voltage exceeds the GP unit range, connect a voltage trans-
former.
• For between the line and ground, select a power supply that is low in
noise. If there is an excess amount of noise, connect a noise reducing
transformer.
• When supplying power to the GP unit, please separate the input/output
and operation unit lines.
• To increase the noise quality, simply twist the power cable before
connecting it to the GP unit.
• The power supply cable must not be bundled or kept close to main
circuit lines (high voltage, high current), or input/output signal lines.
• Connect a surge absorber to deal with power surges.
• To reduce noise, make the power cable as short as possible.
8 Precautions for Supplying Power