Installation and Wiring
148
z Ground the surge absorber (E1) separately from the GP unit (E2).
z Select a surge absorber that has a maximum circuit voltage greater than that of
the peak voltage of the power supply.
If the supplied voltage exceeds the GP unit range, connect a constant voltage
transformer.
1 Constant voltage transformer
2 Twisted-pair cord
3 GP unit
Select a power supply low in noise for between the line and ground. If there is an
excess amount of noise, connect an insulating transformer.
1 Insulating transformer
2 Twisted-pair cord
3 GP unit
NOTE: Use constant voltage and insulating transformers with capacities exceeding
the Power Consumption value.
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