Power Supply Modules; Table 2-1 Specifications Of Power Supply Modules; Table 2-2 Names And Functions Of Parts - Hitachi HSC-2100 Hardware Manual

2 SPECIFICATIONS OF INDIVIDUAL MODULES

2.1 Power Supply Modules

Table 2-1 Specifications of Power Supply Modules

Item
Model
Rated input voltage 100 to 120 VAC 100 to 120 VAC
Input voltage
fluctuation range
Output 12 VDC
current
5 VDC
Table 2-2 Names and Functions of Parts (the nos. below are
keyed to those in the rightmost side of the figure)
No. Name
Power-supply
1 operation indicator
(POWER ON) LED
Voltage check
2 terminal (DC12V
CHECK)
Voltage check
3 terminal (DC5V
CHECK)
Voltage check
4
terminal (GND)
Power input
5
terminals (H, N)
Line ground (LG)
6
terminal
Frame ground (FG)
7
terminal
Specifications
LWV450 LWV460
100 to 110 VDC
85 to 132 VAC 85 to 132 VAC
80 to 143 VDC
3.5 A
0.8 A
Indicates the power supply is energized.
This indicator LED is lit when the power switch
is turned on.
Is a voltage check terminal that enables the user
to check if the 12-volt output voltage is normal.
This terminal should not be used for any other
purpose than checking the voltage.
Is a voltage check terminal that enables the user
to check if the 5-volt output voltage is normal.
This terminal should not be used for any other
purpose than checking the voltage.
Is a 0-volt reference voltage terminal that
provides a reference voltage for voltage
checking.
This terminal should not be used for any other
purpose than checking a voltage.
Allow a cable from a power source to be
connected to the power supply module.
The input voltage requirement of the power
supply module depends on its model.
Is a grounding terminal to ground the power
supply line.
This terminal needs to be connected to the
grounding terminal of the cubicle.
Is a grounding terminal to ground the power
supply module.
(This terminal need not be connected either to
the mount base's FG terminal or the grounding
terminal block. Just leave it unwired.)
LWV550
100 to 110 VDC
80 to 143 VDC
3.5 A 3.5 A
2.0 A 0.8 A
Function
Figure 2-1 An External View of the LWV450
2-2
LWV450
POWER ON
P.SUPPLY
DC12V
CHECK
DC5V
CHECK
H
AC100V
IN
N
LG
FG
GND
HITACHI
Power Supply Module
1
2
1
3
2
3
4
5
6
7
8
9
10
11
12
13
14
5
15
16
6
17
7
18
19
4
20