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Electrical connection
6.1
Safety instructions for the electrical connection
Observe the following when carrying out any work on the machine:
● Comply with the general safety instructions (Page 15)
● Comply with the applicable national and sector-specific regulations.
● When using the machine within the European Union, comply with the specifications laid
Material damage as a result of connection parts coming loose
If you use fixing elements made from the wrong material or apply the wrong tightening torque,
this could impair current transfer or cause connecting parts to become loose. This could result
in material damage to the machine or even in total failure, which could in turn lead indirectly to
material damage to the system.
● Tighten the screwed connections to the specified tightening torques.
● Observe any specifications regarding the materials from which fixing elements must be
● When performing servicing, check the fastenings.
See also
Tightening torques for screw and bolt connections (Page 173)
Note
Service Center
If you require support when electrically connecting up the machine, please contact the Service
Center (Page 171).
6.2
Basic rules
The following generally applies to electrical connections:
● Ensure that there is a safe and reliable PE ground connection before starting any work.
● The connecting cables can be sealed and secured at every cable entry point into the
● Lay the connecting cables and in particular the PE conductor in the terminal box in an open
SIMOTICS FD 1LN1
Operating Instructions 01/2019
down in EN 50110‑1 regarding safe operation of electrical equipment.
made.
terminal box.
arrangement so that chafing of the cable insulation is prevented.
6
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