① Hexagon bolt ⑤ Hexagon nut
② Spring washer ⑥ Radio-frequency grounding cable
③ Terminal Board ⑦ Cable lug
④ Grounding conductor
Figure 6-5 High-frequency grounding
You find further information in the "Operation with converter" section.
6.3.7 Connection without terminal box
If the machine was ordered without terminal box (where the cables are simply brought out of
the motor), then the proper connection must be made in an external terminal box.
WARNING
Incorrect dimensioning
Faults can occur if the appropriate technical data is not complied with when connecting up.
For instance, degree of protection, minimum air and creepage distances. These faults can
result in eventual or immediate death, serious injury or material damage.
● Ensure that the external terminal box is dimensioned according to the data on the rating
plate and is suitable for the respective use.
If the motor has been ordered with brought-out leads, in this case you must comply with the
relevant conditions for Zone 2. It is assumed that the buyer, the installer and users of the
installation are familiar with these conditions and will carefully observe them.
Electrical connection
6.3 Preparation
SIMOTICS TN Series N-compact 1LA8
74 Operating Instructions 08/2017
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