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5. Connect the ends of the cables to the terminals in accordance with the circuit diagram.
6. You might need to use a sleeve made of suitable sealing tape to modify the diameter where
7. Insert the cable with the seal insert in position into the gland opening. Screw the strain relief
8. Secure the strain relief device.
9. Tighten the clamping screws of the strain relief device so that the cable is clamped as
10.Retighten the clamping screws after 24 hours.
6.5.2
Bringing cables into the terminal box 1XB... with cable gland
The connection cables are inserted into the terminal box via an exchangeable cable entry plate
or cable entry support. The cable entry plate is drilled by default. The cable glands are not
included in the standard scope of supply.
You can rotate the cable entry through 180°.
Table 6-3
Terminal box
1XB1621
1XB1631
1XB7730
1XB7731
1XB7740
1XB7750
SIMOTICS FD 1LM1
Operating Instructions 01/2019
The circuit diagram is located in the cover of the terminal box.
Refer to the "Connecting cables..." section for more information.
it passes through the sealing insert. Push the sealing insert onto the prepared sleeve.
device together once the cable is in a concentric position in the gland opening.
necessary, but do not damage the cable insulation. We recommend a torque of 5 Nm.
WARNING
Damage to insulation
If you tighten the strain relief clip clamping screws too tightly this can damage the
insulation. Damaged insulation can result in arcing. This can result in death, serious injury
or material damage.
Tighten the strain relief clip clamping screws to the specified torque.
Cable entry plate versions
Standard
Cable entry plate with boreholes
2 x M80 x 2 + 2 x M25 x 1.5
4 x M80 x 2 + 2 x M25 x 1.5
1 x M72 x 2 + 3 x M25 x 1.5
2 x M72 x 2 + 3 x M25 x 1.5
4 x M80 x 2 + 3 x M25 x 1.5
8 x M72 x 2 + 3 x M25 x 1.5
Electrical connection
6.5 Inserting and routing the cables
Explosion protected version / op‐
tion L01
Undrilled
81
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