Aventics PROFIBUS DP Mode D'emploi page 130

130 AVENTICS | PROFIBUS DP | R499050016–BDL–001–AE
Disassembly and Exchange
Fig. 21: Exchanging the bus coupler, example
1 Hexagonal socket-head screws
2 E end plate
3 Seal
4
1
2
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) have been completely screwed in and
– the seals (3) have been inserted correctly.
5
6
3
3
4 Bus coupler
5 Tie rod
6 EP end plate VS HF03 LG or HF04