Appendix
ProtoMat M60
45
8.6 Mill head connection
The mill/drill head is connected to the control unit with a 15-pole socket.
The socket position is described in the section see „Displays and
connections“ on page 15. Another five-pole cable supplies the high-
speed cycle spindles.
Caution! Never confuse the stepper motor and the mill/drill head
cables!
8.7 EPROMs
The software for the control unit is in 2 EPROMs. If the EPROMs need to
be replaced (updates), the LPKF
ProtoMat
M60 has to be partially
dismantled, so follow the procedure described in the section „Fuses,
commuting the device voltage“ on page 45 and change the EPROMs,
ensuring that the EPROMs are correctly aligned and positioned.
Use only an IC extractor to remove the EPROMs as otherwise the
contacts of the mounting might be damaged. When inserting new
EPROMs support the PCB from the bottom in order to avoid bending of
the board. Take care that the orientation of the EPROMs is correct.
8.8 Fuses, commuting the device voltage
Danger! Before working on the fuses or opening the device, make
sure that the power cord is removed!
In the LPKF
ProtoMat
M60, the primary and secondary voltages are
fused. The main fuses (primary) are in the power connection of the
control unit and are accessible from the outside.
Caution! When switching to another line voltage make sure that
both fuses are exchanged. Both fuses must be of the same value.
