HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 114)

SERVICE MANUAL TNC
Issue:
01.09.1995
Page 94
Loosen the 4 mounting screws on the logic unit
6075
Remove the old logic unit and insert the new one.
19.23 Mounting of the Logic Unit
The logic unit is mounted in the reverse order that is was dismounted:
a) Insert the logic unit and secure it.
Engage connectors.
Observe that no connectors are switched!
Switch on the main switch.
Read in the machine tool data that have been backed up before the exchange
(machine parameters, PLC program, NC programs and tables).
Enter preset values and supplementary operating modes from the table in
section 19.1.5
(before ref. mark traverse).
Offset adjustment with code number (see section 16.5).
Exchange is now finished