Replacing A Multipole Connector Module With A Bus Coupler - Aventics PROFIBUS DP Betriebsanleitung

86 AVENTICS | PROFIBUS DP | R402003657–BAL–001–AG
Replacement
1. Disconnect the electrical connections and any pneumatic
connections from the bus coupler (1).
2. Unscrew the three screws (2) that fit the bus coupler to the
valves (hexagonal head, wrench size 8 mm).
3. Detach the bus coupler from the valve subbases (3).
4. Push the new bus coupler onto the tie rods (4) of the valve
unit. Make sure that the seal (5) is fitted correctly.
5. Refit and tighten the three screws (2). Tightening torque
2.8 to 3.2 Nm.
6. Copy all the settings from the old bus coupler to the new bus
coupler (see "Making settings" on page 70).
7. Re-establish the electrical and pneumatic connections.
8. Check the "Bus system configuration" on page 76 and
adjust if necessary.
8.2 Replacing a multipole connector module
with a bus coupler
Applied electric voltage and high pressure
Danger of injury from electric shock and sudden pressure
drops.
O
Make sure the system is not under pressure or
connected to power when you exchange a module.
WARNING