Pro-face PFXGP4501TAA Manual download pdf (Page 148)

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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Pro-face PFXGP4501TAA Manual Page 148