Connecting With Power Supply - Mitsubishi Electric M70V Series Connection Manual

MITSUBISHI CNC
4 Connection

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
NFB
L1
L2
L3
FG
(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
NFB
L1
L2
L3
FG
F170 cable
ON
OFF
ON/OFF switch
(Note) MITSUBISHI CNC M70V series does not employ ACFAIL function. (CF01 is not connected.)
<Related items>
Cable drawing: "Cable: F110 Cable", "Cable: F170 Cable"
Connector pin assignment: "General Specifications: Control Unit" (DCIN connector)
102
MC
+24V
0V
AC
AC
(Note 2)
FG
ON OFF
MC
MC
Connector name : DCIN
Connector
Contact
Recommended manufacturer: Tyco Electronics AMP
MC
ACIN
1
2
3
ON/OFF SW
ON/OFF
FAN ALARM
POWER
DCOUT
F070 cable DCIN
DCIN
1
24VDC
2
0V
FG
3
: 2-178288-3
: 1-175218-5
DCIN
F110 cable
CF01
(Note)
ACFAIL
DCIN
Control unit
Control unit
DCIN