Kundendienst
SERVICE MANUAL TNC 151/155
Page 38
Section 3.1.2
3.1.2 Procedure for exchanging the TNC 151/155 Q/W Control.
1. Gain access to the rear of the Control.
2. Remove the ma& supply.
3. Remove the connector box cover-plate from the rear of the
Control.
4. Mark the measuring system plugs (X,Y,Z,4 Axes, S if present,
3D Touch Probe) and remove them.
5. Disconnect the VDU from the Control.
6. Disconnect the Handwheel Unit from the Control (if present).
7. Disconnect any external data devices.
8. Disconnect connector strips Jl-J3, using a screwdriver to
prise the connectors apart (Do not unscrew individual wires).
9. Remove the connecting cable P2 to the PL 100 B/110 B from the
Control.
wise apart with/
a screwdriver
\
cable
Ii
10. Remove the faulty Control,
removing the fixing screws if
not already removed in 1.
11. Install the new Control
- check the voltage-selector posi-
tion.
12. Check the fuse-rating (see type-plate).
13. Reconnect all cables previously removed.
14. Obtain from the type-plate the Control's Id. No., NC and
PLC Software Nos., and write them in the machine handbook.
15. Refit the connector box cover-plate.
16. Turn on the mains voltage.
17. Reprogram the machine parameters.
18. TNC is now ready to use.
Mains -ion -
4
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