Bosch 150 AC Specifikace stáhnout pdf (Strana 19)

• DOK-DIAX01-MAIN+2AD+1M-ANW1-EN-E1,44 • 07.97

1. Commissioning INDRAMAT AC Main Spindle Drives

1.4 Main Spindle Drives with KDA or TDA

1.4.1 Mains Supply Requirements

Each time prior to switching on, check that the mains supply meets the

requirements of the supply module being used (see supply module

documentation).

1.4.2 Checks with the Equipment Switched Off

The installed drive components must be designed for the existing input

voltages. The input voltages shown on the rating plate should be

checked against the type code (see respective drive and supply module

documentation).

The details on the AS programming module must match the ratings of the

installed drive components, otherwise there is a risk of damage.

Check the wiring for short-circuits, breaks, incorrect connections,

conductor cross sections and identify these against the Indramat

connection diagram.

• Earthing arrangements:

The earthing arrangements should be made exactly as per the

respective connection diagrams. These should also include the rele-

vant protective measures for the machine. Each motor must be

earthed at its associated drive module.

Drive modules should be separately earthed at the power supply

module. The earthing point of the supply module is the central

reference earth point for all drive components. This should be connected

to the mains earth. The above earth connections provide an operational

earth with a protective function.

When installing the modules in the control cabinet, ensure that the

housing makes a good electrical connection with the control cabinet.

Otherwise faults could occur.

• Twisting the load conductors:

The motor connections from the main drive module should be either

twisted or a four-core cable (3 x phase, 1 x earth) should be used.

• Connections to auxiliary modules:

The power connections to the additional capacitance module or to

further additional storage capacitors should be twisted and kept as

short as possible.

• Power connections to the main drive modules:

Normally, the units are alongside each other and the connection is

made via two busbars. If this is not possible, then the power connection

must be made with two twisted 16 mm

conductors not more than one

meter in length.

The cross sections of conductors must be such that the permissible

current densities stipulated by the relevant specifications (VDE 0100 and

VDE 0113) are not exceeded at the maximum ambient temperatures and

the corresponding continuous motor and transformer currents.

Checking the drive

components

Condition of wiring

Cross sections of power

cables

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 145 146

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