Lenze 9228E Manual do Utilizador descarregar pdf (Página 17)

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Multi drive networking

•

When laying the ground cables, care must be taken that there

are no ground loops. To ensure this, the GND-PE connection

must be removed in every drive. For the 9200 drives, turn the

four screws on the cover one haft turn CCW and pull out the

control board. Remove the jumper PE-BR on the board 9220

MP. CAUTION: Ensure that the mains has been disconnected

and the drive has been switched off at least 5 minutes before

removing any parts.

BR-PE

cable

Control board 9220MP

SubD-plugs

X1 X2 X3 X4

Control terminals

•

All ground cables must then be lead to external, insulated

central points, centralized again from there and connected to

PE in the central supply. The PE-GND reference is necessary

as the electronics insulation (SubD plug) does not allow

voltages >50V~ AC at PE.

•

In case of firmly installed computer connections, a mains

isolation (e.g. Lenze Converter 2101) is mandatory between

computer and axis module.

•

The individual cable screens must be connected to external

insulated centreal points, which are then connected to the PE

potential at one point.

•

The screens of the motor cables

−

should be as large as possible.

−

should be connected to the two sides.

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Lenze 9228E Manual do Utilizador Página 17