Operating manual
CNC 8070
GENERAL CONCEPTS
2.
(REF: 1505)
·43·
Turning the CNC on and off
2.1.1 Emergency shutdown with battery
The central unit is powered by an external DC power supply (24 V DC). Optionally, an external
battery may be connected to ensure the detection of power supply voltage drops and that
the unit is turned off properly.
When a power supply failure occurs (drop at the 24 V DC) and there is a battery connected
to the central unit, the latter responds as follows:
• If the supply is interrupted for less than 2 seconds.
The screens shows the corresponding warning and the system recovers fine. CAN errors
may occur due to the lack of 24 V DC at the remote modules.
• If the supply is interrupted for more than 2 seconds.
After the 2 seconds, the screen shows the corresponding error and it initiates the
automatic turn-off sequence. First, it stops the machine if it is in execution. It closes the
CNC application, then the whole system and finally turns the battery off.
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