Grounding; External Wiring - Mitsubishi Electric GOT2000 Series User Manual

5.3.3

Grounding

The GOT has the following ground terminals.
The ground terminals must be grounded in use.
Ground the GOT to ensure the safety and to comply with the EMC Directive.
Functional grounding
5.3.4

External wiring

■1. External controllers
If an external device connected to the GOT has a hazardous voltage circuit, the interface circuit to the GOT must have
a reinforced insulation.
■2. Reinforced insulation
The reinforced insulation indicates the insulation with the following withstand voltage.
Reinforced insulation withstand voltage (Source: Installation Category II of IEC664)
Rated voltage of hazardous voltage area
150 V AC or less
300 V AC or less
5 - 20
5.3 Low Voltage Directive Requirements
: The functional ground terminal improves noise resistance.
Withstand surge voltage (1.2/50 µs)
2500V
4000V