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MITSUBISHI CNC
78
4.2.2 Connecting with Power Supply
Connect a general-purpose 24VDC stabilized power supply or PD25 power supply unit to the control unit.
(1) When using general-purpose 24VDC stabilized power supply
(Note 1) Rush current may occur to lead welding on the contacts, when a magnetic switch such as relay directly
controls 24VDC's ON/OFF during 24V power supply to the control unit. Use relay with large heat
capacity of contacts to control 24VDC's ON/OFF.
(Note 2) Make a short-circuit between 0V and FG on the terminal to cut noise.
<Related items>
Cable drawing "Cable: F070 Cable"
Connector pin assignment: "General Specifications: Control Unit" (DCIN connector)
(2) When using PD25 power supply unit
(Note) ACFAIL function is not available with this NC system. (CF01 is not connected.)
<Related items>
Cable drawing: "Cable: F110 Cable", "Cable: F170 Cable"
Connector pin assignment: "General Specifications: Control Unit" (DCIN connector)
Connector name : DCIN
Connector : 2-178288-3
Contact : 1-175218-5
Recommended manufacturer: Tyco Electronics AMP
Control unit
F070cable
(Note 2)
24VDC
DCIN
DCIN
Y
CF01
ACFAIL
ACIN
ON/OFF SW
ON/OFF
FAN ALARM
DCOUT
POWER
ON
OFF
NFB
MC
L1
FG
L2
L3
1
2
3
:
F170 cable
F110 cable
ON/OFF switch
(Note)
Control unit