Electrical Connection; Reference To Chapter Safety Instructions; Connected Parts Can Become Loose; Preparation - Siemens SIMOTICCS A 1FU9 Operating Instructions Manual

Electrical connection

6.1

Reference to chapter Safety instructions

Observe the following when carrying out any work on the machine:
• Comply with the general safety instructions (Page 11).
• Comply with the applicable national and sector-specific regulations.
• When using the machine within the European Union, comply with the specifications laid
down in EN 50110‑1 regarding safe operation of electrical equipment.
Note
Service Center
If you require support when electrically connecting up the machine, please contact the Service
Center.
6.2

Connected parts can become loose

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
made.
• When performing servicing, check the fastenings.
6.3

Preparation

6.3.1

Selecting cables

Take the following criteria into account when selecting the connecting cables:
• Rated current
• Rated voltage
1FU9
Operating Instructions, 07/2020, A5E46712792A
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