
B–63083EN/02
3. INSTALLATION
15
The following units, related to the CNC control unit, require the input of
24 V DC±10%.
Table 3.2 1 (a) Power supply
Unit
Power supply
voltage
Power supply
Series 21i control unit
without option slot
1.5 A including LCD and MDI
unit.
Series 21i control unit
with option 2 slots
1.7 A including LCD and MDI
unit.
Series 210i control unit
(with PC functions)
without option slot
2.1 A including LCD, MDI unit,
hard disk drive and floppy disk
drive.
Series 210i control unit
(with PC functions) with
option 2 slots
2.3 A including LCD, MDI unit,
hard disk drive and floppy disk
drive.
Option board (Remote
buffer, DNC1, DNC2)
24 V DC10%
(10% includes
0.3 A
Loader control board
and ripples.)
0.5 A
HSSB board 0.2 A
PMC C language board 0.3 A
Symbol CAPiT board 0.5 A
ISA extension Max. 1.5 A (NOTE 2)
Separate detector
interface unit
0.9 A (NOTE 4)
PC interface connector
panel unit
0 A
NOTE
1 For other peripheral devices (I/O, etc.), refer to the power
supply data for each device and add the value to the above.
2 Variable depending on the ISA board in use.
3 The power supply to the Series 210i control unit with HSSB
is identical to the sum of that of the Series 21i control unit
and that of the HSSB board.
4 The maximum current which can be used by up to 4 axes
in the separate detector is 1.4 A (+5 V DC).
3.2
POWER SUPPLY
3.2.1
Power Supply for CNC
Control Units