Hardware configuration.
CNC 8070
CENTRAL UNIT + MONITOR (Q7-A PLATFORM).
6.
Power supply for the module.
·103·
(REF: 1911)
6.4 Power supply for the module.
6.4.1 Central unit electrical features.
• The unit is electrical safety class III.
• The nature of the installation where it is connected must not exceed OVC II.
• The unit must be powered with class DVC A power supply with a PELV protection output
voltage.
6.4.2 Protection against over-voltage and reverse voltage.
Protection against over-voltage and reverse voltage. The central unit has a F2A fuse that
may be accessed from the outside to protect against over-voltage (greater than 36 V DC or
25 V AC). The central unit is also protected against reverse connection of the power supply.
6.4.3 Voltage supply at 24 V DC.
Universal DC power supply. Use a regulated 24 V DC power supply (between -15% and
+20%) and 2 A (including voltage ripple and noise). See
"6.4.6 Power supply requirements."
on page 104.
Connector pinout.
Do not connect the module to a power supply that is turned on. Before connecting the module, turn
off the power supply off by unplugging the power cable.
Power supply.
Over-voltage
protection fuse.
Ground connection.
Plug-in part. 3-pole Phoenix-contact combicon connector (5.08 mm
pitch).
Pin Signal. Function.
1 - - -.
2 GND 0 V reference signal.
3 +24 V Power supply.
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