Bringing Cables Into The Terminal Box 1Xb; Certified Cable Entries, Thread Adapters And Sealing Plugs; Table 6-3 Cable Entry Plate Versions - Siemens SIMOTICS FD 1MQ1 Operating And Installation Instructions

Electrical connection
6.5 Inserting and routing the cables
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
Insert the cable into the terminal box
Proceed as follows when introducing cables into the terminal box:
1. Unscrew the cable entry plate.
2. Drill the required number of holes or threads in the required size in the cable entry plate.
3. Fit the required cable glands.
4. Route the cables through the cable glands.
5. Fit the cable entry plate to the terminal box with the assembled cables.
6. Connect the ends of the cables to the terminals in accordance with the circuit diagram. The
Refer to Chapter "Connecting cables ..." for more information.
6.5.3

Certified cable entries, thread adapters and sealing plugs

Use only sealing plugs, cable entries & conductor entries and thread adapters that are certified
and marked for use in the respective hazardous zone.
82
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
Ensure that the cable entry plate can be assembled after drilling and that it features
sufficient stiffness.
circuit diagram is located in the cover of the terminal box.
Explosion protected version / op‐
tion L01
Undrilled (Page 79)
SIMOTICS FD 1MQ1
Operating Instructions 01/2019