Mitsubishi Electric M70V Series Connection Manual page 41

MITSUBISHI CNC
2 General Specifications
(3) Display unit backlight inverter I/F or driver I/F (INV)
(4) 24VDC input (DCIN)
1
1
I +24V
2
0V
3
FG
<Cable side connector type>
Connector: 2-178288-3
Contact: 1-175218-5 x3
Recommended manufacturer: Tyco Electronics
(a) Specifications of power supply
Consider the following characteristics when selecting the stabilized power supply (prepared by machine
tool builder). Use a power supply that complies with CE Marking or that follows the safety standards given
below.
[Stabilized power supply selection items]
Output
Power capacity
Output holding time
Overcurrent protection
[Standards]
Safety Standards: UL1950, CSA C22.2 No.234 approved, IEC950 compliant
Noise Terminal Voltage: FCC Class A, VCCI-Class A
High Harmonics Current Restrictions: IEC61000-3-2
(Note)
CAUTION
1. Using a stabilized power supply without overcurrent protection may cause the unit's failure due to miswiring of
24V.
16
3
Item
Voltage fluctuation
Ripple noise
24VDC voltage may drop instantaneously due to rush current at the beginning of 24V power
supply to the control unit. The level of voltage drop depends on the capacity of the power
supply. Do not share the power supply with the devices that have alarms to warn the voltage
drop.
Standard setting
± 5% or less of 24VDC
200mV (P-P)
2.5A or more
20ms
Required