Finishing Connection Work; Connecting The Auxiliary Circuits; Selecting Cables - Siemens SIMOTICS FD 1LL1 Operating Instructions Manual

6.4.11

Finishing connection work

1. Before closing the terminal box, please check that:
2. Close the terminal box with the cover fixing screws, see chapter Tightening torques for
See also
Mounting/removing the terminal box (Page 73)
6.5

Connecting the auxiliary circuits

6.5.1

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 1LL1
Operating Instructions 04/2016
– 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.
– Any cable entries which are not used are sealed and the sealing elements are tightly
screwed in (i.e. so that they can only be removed using suitable tools).
– The connecting cables are laid in an open arrangement, so that the cable insulation
cannot be damaged during operation.
screw and bolt connections (Page 157).
section as defined by required length of cable, etc.
Electrical connection
6.5 Connecting the auxiliary circuits
85