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CHAPTER 4 SPECIFICATIONS
4
4.2 Input Module Specifications
4.2.2 LX28 AC input module
Item Specifications Appearance
Number of input points 8 points
Rated input voltage, frequency 100 to 240VAC (+10%/-15%), 50/60Hz(±3Hz)
Input voltage distortion Within 5%
Rated input current
16.4mA (200VAC, 60Hz), 13.7mA (200VAC, 50Hz)
8.2mA (100VAC, 60Hz), 6.8mA (100VAC, 50Hz)
Inrush current Max. 950mA within 1ms
ON voltage/ON current 80VAC or higher/5mA or higher (50Hz, 60Hz)
OFF voltage/OFF current 30VAC or lower/1.7mA or lower (50Hz, 60Hz)
Input resistance 12.2k (60Hz), 14.6k (50Hz)
Response time
OFF to ON
15ms or less (100VAC 50Hz, 60Hz)
10ms or less (200VAC 50Hz, 60Hz)
ON to OFF 20ms or less (100/200VAC 50Hz, 60Hz)
Dielectric withstand voltage 2300VAC, 1 minute (altitude 2000m)
Insulation resistance 10M or more by insulation resistance tester
Noise immunity
By noise simulator of 1500Vp-p noise voltage, 1µs noise width and 25 to 60Hz
noise frequency
Protection degree IP1X
Common terminal arrangement 8 points/common (common terminal: TB17)
Number of occupied I/O points 16 points (I/O assignment: input 16 points)
External interface
18-point screw terminal block (M3 × 6 screws) ( Page 62, Section 6.2.1)
5VDC internal current consumption 80mA (TYP. all points ON)
Weight 0.15kg
Derating chart
External connections Terminal connections
6002040
0
Input voltage
8 points, 50
Ambient temperature ( )
Simultaneous
on input
points
(points)
8 points, 55
7 points, 55
5 points, 55
2
8
6
4
to 200VAC to 132VAC
to 240VAC to 220VAC
to 264VAC to 264VAC
50Hz 60Hz
LED
LED
Internal
circuit
TB1
TB15
TB17
Photocoupler
Photocoupler
100 to 240VAC
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
Empty
Empty
Empty
Empty
Empty
Empty
Empty
Empty
Empty
100 to 240VAC
Terminal
number
Signal
name
Viewed from the front of the module.
X00
X01
X02
X03
X05
X06
X07
COM
X04