Hitachi HSC-2100, Hardware Manual

Page: 47 / 169

2 SPECIFICATIONS OF INDIVIDUAL MODULES
2-10
2.6 Model LWI460 Input Module (48 VDC Input, 16 Points)
Item Specification
Input points 16
Insulation method Photocoupler
Rated input voltage 48 VDC
Rated input current Approx. 10 mA
Input voltage range 40 to 56 VDC
ON voltage / current 40 VDC or higher / 8 mA or more
OFF voltage / current 8 VDC or lower / 1.5 mA or less
Input impedance Approx. 48 k Ω
Response
time
OFF → ON 15 ms or less
ON → OFF 20 ms or less
Internal
consumption
current
12 VDC 0 mA
5 VDC
4 mA + 2 mA × n, where n is the number of points in
ON state.
Points per common 8
Insulation withstand voltage
1,500 VAC, 1 minute (between external terminal and
ground)
External
wiring
Connection
20-point terminal block connector (Connector screw
type: M3)
Applicable
cable size
0.5 to 1.25 mm
2
Tightening
torque
0.6 to 0.8 N·m
Maximum
wiring
length
200 m
Operation indication LED (lit when the module is powered on)
Mass 380 g
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
10
C0
0
1
2
3
4
5
6
7
C1
C2
8
9
A
B
C
D
E
F
C3
LWI460 DI
D.INPUT
DC48V
0
1
2
3
4
5
6
7 8
9
A
B
C
D
E
F
HITACHI
C
ontr
ol c
irc
uit
Contacts
0
7 9
C0 1
2
10 C1
Fuse
48 VDC
8
F 19
C2 11
12
20 C3