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2.2 Wiring the Power Supply
2.2.1 Wiring the Power supply
The power supply should be wired by securely connecting the terminal on the rear of the main
unit to the terminal.
Use twisted wiring for the power supply
In order to minimize influence from noise, the wiring for the power supply should be twisted.
Insulate the power supply inside a protective circuit
• In order to protect the unit against abnormal voltage from the power supply line, the power supply
should be an insulated type, and should be enclosed within a protective circuit.
• A non-insulated requlator is used witht the GT series.
• If a power supply device without an internal protective circuit is being used, power should always be
supplied to the GT series through a fuse or a similar protective device.
Keep the power supply voltage within the operating voltage range
Part No. Operating voltage range
AIGT0030B1/AIGT0030H1
AIGT0032B1/AIGT0032H1
4.5 to 5.5 V DC
AIGT0030B/AIGT0030H
AIGT0032B/AIGT0032H
AIGT2030B/AIGT2030H
AIGT2032B/AIGT2032H
AIGT3100B/AIGT3100H
AIGT3300B/AIGT3300H
21.6 to 26.4 V DC
Keep the power supply wiring separate
• Wiring to the GT series, PLC, and other power equipment should have separate wiring systems.
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