Removing The Power Supply Module; Figure 14-1 Parts Of Power Supply Module Involved In Replacement Process - Hitachi S10VE User Manual

14. Adding and Replacing Modules

14.1.1 Removing the power supply module

(1) Turn off the power switch on the power supply module.
Power switch
Terminal block

Figure 14-1 Parts of power supply module involved in replacement process

(2) Confirm that the POWER LED (green) on the front panel of the power supply module is off.
(3) Turn off the switch at the AC/DC power source (the MCCB or the FFB, for example).
(4) Use a multimeter to confirm that no power is being supplied to the terminal block on the power supply
module.
(5) Disconnect the power supply wires from the terminal block of the power supply module.
(6) Loosen the module fixing screws (M4) at the top and bottom of the power supply module, and remove
the power supply module from the mount base.
HITACHI
LQV410
100-120VAC 144VA 50/60Hz
100-110VDC 132W
DC5V
SERVICE
CHECK
GND
POWER
OV
ON
P
O
OC
W
E
OFF
R
H
INPUT
+
100-120VAC
N
100-110VDC
-
警告 WARNING
!
FG
感電危険触れるな
Hazardous voltage
will cause death or
severe injury
14-2
PS
Output voltage check terminal
POWER LED
OV LED
OC LED