ABB IRC5P, Product Manual, Page: 150 / 220

7 Repair
7.11 Replacement of Fieldbus Adapter
150 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
3. Identify the fieldbus adapter to be replaced.
The barcode sticker contains information on type designation.
4. Disconnect the cable from the fieldbus adapter.
5. Loosen the 2 e.a. attachment screws from the fieldbus adapter to release the
fastening mechanism.
Note:
Only loosen the attachment screws. Do not remove them.
6. Grip the loose attachment screws and gently pull the fieldbus adapter out, in the
arrow direction.
CAUTION!
Always grip the fieldbus adapter around the edges to avoid damage to
the adapter or its components.
Refitting
The procedure describes how to re-install the fieldbus adapter in the computer unit.
WARNING!
Refitting activities must only be performed when controller is switched
‘off’ and all safety precautions under ‘Removal’ have been read.
1. Grip the fieldbus adapter around the edges.
CAUTION!
Make sure that the adapter is pushed straight onto the rails.
2. Fit the fieldbus adapter in position by pushing the fieldbus adapter along the
rails on the mother board.
Note:
Push carefully so no pins are damaged.
3. Secure it with its attachment screws on the front.
4. Connect the cable to the fieldbus adapter.
5. Refit the computer unit cover by connecting fan unit connector, placing cover
in position and installing attachment screws.
6. Refit the computer unit as described in procedure ’Replacement of Computer
Unit’ on page 143.
7. Close controller front door.