Siemens TL.. Instrukcje Operacyjne Pobierz pdf (Strona 56)

Installation

4.3 Electrical installation

Internal control cable

Plug in the connector in the AC cabinet (for the control cable coming from the drive cabinet).

Control cable in the drive cabinet Connected control cable

Figure 4-16 Connection of the control cables

Grounding

Ensure equipotential bonding between the cabinets that are not screwed together (between master and

slaves). Use a single-core, yellow-green cable with a cross section of min. 16 mm ², which is connected

to the housing frame using terminals and screws. This will prevent the current from flowing in the shield of

the communication cables (due to different potentials of the inverters).

You should also carry out the equipotential bonding if all inverters are grounded via a PEN conductor.

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Siemens TL.. Instrukcje Operacyjne Strona 56