Hitachi HSC-2100, Hardware Manual

Page: 48 / 169

2 SPECIFICATIONS OF INDIVIDUAL MODULES
2-11
2.7 Model LWI470 Input Module (100 VDC Input, 16 Points)
Item Specification
Input points 16
Insulation method Photocoupler
Rated input voltage 100 VDC
Rated input current Approx. 5 mA
Input voltage range 85 to 110 VDC
ON voltage / current 85 VDC or higher / 4 mA or more
OFF voltage / current 25 VDC or lower / 1 mA or less
Input impedance Approx. 22 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
C
ontr
ol c
irc
uit
Contacts
0
7 9
C0 1
2
10 C1
Fuse 100 VDC
8
F 19
C2 11
12
20 C3
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
LWI470 DI
D.INPUT
DC100V
0
1
2
3
4
5
6
7 8
9
A
B
C
D
E
F
HITACHI