Aventics DDL Mode D'emploi page 101

Fig. 10: Exchanging the bus coupler, example
1 Hexagonal socket-head screws
2 E end plate
3 Seal
4
1
2
See Fig. 10 on page 101.
1. Disconnect the electrical connections from the bus coupler (4).
2. Unscrew the E end plate (2) and (if applicable) all input/
output modules left of the bus coupler (each with
2 DIN 912 – M4 hexagonal socket-head screws (1),
wrench size 3) and remove from the tie rods (5).
3. Remove bus coupler (4) from the tie rods (5).
4. Push the new bus coupler (4) onto the tie rods (5).
5. Make sure that
– the tie rods (5) are fixed flush to the surface and
– the seals (3) have been inserted correctly.
6. Push the input/output modules (if applicable) in the original
order and then the E end plate (2) onto the tie rods (5) and
screw into place (each with 2 hexagonal socket-head screws
DIN 912 – M4 (1), wrench size 3).
Tightening torque: 2.5 to 3.0 Nm.
AVENTICS | DDL | R499050020–BDL–001–AD
5
6
3
3
4 Bus coupler
5 Tie rod
6 EP end plate VS HF03 LG or HF04
Disassembly and Exchange
101