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MELSEC-GOT
1 OVERVIEW
1.3.5 External wiring
1) External devices
When a device with a hazardous voltage circuit is externally connected to the
PC, select a model which complies with the Low Voltage Directive's requirements
for isolation between the primary and secondary circuits.
2) Insulation requirements
Dielectric withstand voltages are shown in the following table.
Intensive Insulation Withstand Voltage
(Installation Category II, source : IEC664)
Rated voltage of hazardous voltage area
Surge withstand voltage (1.2/50 µs)
150 VAC or below
2500V
300 VAC or below
4000V