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6.5.11
Finishing connection work
1. Before closing the terminal box, please check that:
2. Close the terminal box using the cover fixing screws, see Chapter Tightening torques for
See also
Tightening torques for screw and bolt connections (Page 173)
Mounting/removing the terminal box (Page 83)
6.6
Connecting the auxiliary circuits
6.6.1
Selecting cables
Take the following criteria into account when selecting the connecting cables for the auxiliary
circuits:
● Rated current
● Rated voltage
● System-dependent conditions, such as ambient temperature, routing type, cable cross-
● Requirements according to IEC/EN 60204‑1
SIMOTICS FD 1LN1
Operating Instructions 01/2019
– The electrical connections in the terminal box have been made in accordance with the
specifications above and tightened with the correct tightening torque.
Remove the used bolts and fastening elements.
– The machine is connected in such a way that it rotates in the direction specified.
– The inside of the terminal box is clean and free of any cable debris, dirt and foreign
bodies.
– All of the seals and sealing surfaces of the terminal box are intact and in a good condition.
– Unused cable entries are closed and their plugs are tightly screwed in place, i.e. they can
only be released using a tool.
– The connecting cables are freely routed. The cable insulation cannot be damaged in
operation.
screw connections.
section as defined by required length of cable, etc.
Electrical connection
6.6 Connecting the auxiliary circuits
95
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