Schneider Electric INTERBUS Basic Manual de usuario descargar pdf (Pagina 36)

EMC Measures for the Communications Adapter

Figure 8 Schematic of ARE lightning arrestor connection

W1 Remote Bus Line LiYCY (TP)

Z2 Grounding clamp

Outdoors

DIN-

Top hat rail

Shielding

Building 1 Building 2

6 mm

ARE AREARE

br (GND)

Shielding

Protective Ground

Functional Ground

6 mm

Make sure to observe the following rules:

H Do not mix the wires as you run them.

H Do not mismatch the IN- and OUT ends of the ARE (IN = outdoors)

H Install a functional ground (potential–equalization rod)

H Install the lightning arrestor near the building ground so as to establish a

short discharge path for the surge current. Keep the line to the building and

functional ground (at least 6 mm2) as short as possible.

H In a remote bus line you can connect a maximum of 10 lightning arrestors in

series, with five outdoor segments which can interlink up to six buildings.

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Schneider Electric INTERBUS Basic Manual de usuario Pagina 36