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3.2 Wiring the Power Supply
3.2.1 Precautions on Wiring
Perform wiring and placement of the cable so that there is no impression of external noise
on the cable and no induction.
This product conforms to EN61131-2 for the European EMC Directive (EMC Directive
2004/108/EC). The conformity conditions are as below.
1 Use shielded wires for distribution cables.
2 The GT unit should be grounded.
3.2.2 Wiring the Power Supply
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.
The unit has sufficient noise immunity against the noise generated on the power line.
However, it is recommended to take measures for reducing noise such as using an isolating
transformer before supplying the power. And it is recommended to take measures such as
installing a ferrite core.
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. Directly
applying an abnormal voltage to the unit may cause the damage to the internal circuit.
Keep the power supply voltage within the operating voltage range
Rated voltage
Operating voltage range
24 V DC
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.
Ramco Innovations
www.panasonicsensors.com
(800) 280-6933
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