Final Checks - Siemens SIMOTICS DP 1PC1423 Operating Instructions Manual

Low-voltage motors, roller-table motors sh 112... 400

Table of Contents

Electrical connection

6.7 Final checks

Table 6-5

Maximum voltage peaks at the motor terminals for motors specifically designed for converter operation

Rated motor voltage

≤ 500 V

> 500 V to 690 V

Depending on the step height, the voltage rise times for the individual voltage steps in the

line-to-ground voltage at the motor end of the cable must not fall below the following values.

Table 6-6

Rise times as a function of voltage level

Step height

6.7

Final checks

Before closing the terminal box/terminal base of the machine enclosure, check the following:

• Establish the electrical connections in the terminal box in accordance with the information

in this documentation.

• Maintain the air clearances between non-insulated parts as described in Chapter Minimum

air clearances. (Page 62)

• Avoid protruding wire ends.

• In order not to damage the cable insulation, freely arrange the connecting cables.

• Connect the machine corresponding to the specified direction of rotation.

• Keep the inside of the terminal box clean and free from trimmed-off ends of wire.

• Ensure that all seals and sealing surfaces are undamaged and clean.

• Correctly and professionally close unused openings in the terminal boxes. Observe the

information in this documentation.

• Observe the information on torques in this documentation.