User`s manual

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MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.2 QX28 AC Input Module
AC Input Module Type
Specifications
QX28 Appearance
Number of input points 8 points
Isolation method Photocoupler
Rated input voltage, frequency 100-240VAC (+10/-15%) 50/60Hz (±3Hz)
Input voltage distortion Within 5% (Refer to section 1.2 (17))
Rated input current
Approx. 17mA (200VAC, 60Hz), approx. 14mA (200VAC, 50Hz)
Approx. 8mA (100VAC, 60Hz), approx. 7mA (100VAC, 50Hz)
Input derating Refer to the derating chart.
Inrush current Max. 500mA within 1ms (at 264VAC)
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 impedance Approx. 12k (60Hz), approx. 15k (50Hz)
OFF to ON 10ms or less (100VAC 50Hz, 60Hz) Response
time
ON to OFF 20ms or less (100VAC 50Hz, 60Hz)
Dielectric withstand voltage 2830VAC rms/3 cycles (altitude 2000m (6557.38ft.))
Insulation resistance 10M or more by insulation resistance tester
By noise simulator of 1500Vp-p noise voltage, 1 s noise width
and 25 to 60Hz noise frequency
Noise immunity
First transient noise IEC61000-4-4: 1kV
Protection of degree IP1X
Common terminal arrangement 8 points/common (common terminal: TB17)
Number of I/O points 16 (I/O allocation is set as a 16-points input module)
Operation indicator ON indication (LED)
External connections 18-point terminal block (M3 6 screws)
Applicable wire size
0.3 to 0.75mm
2
core (2.8mm (0.11in.) OD max.)
Applicable crimping terminal R1.25-3 (sleeved crimping terminals cannot be used.)
5VDC internal current
consumption
50mA (TYP. all points ON)
Weight 0.20kg
NC
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
COM
QX28
NC
200VAC
17mA60Hz
14mA50Hz
01234567
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
Derating Chart Terminal Block Number Signal Name
TB1 X00
TB2 Vacant
TB3 X01
TB4 Vacant
TB5 X02
TB6 Vacant
100
90
80
70
60
50
40
0102030405055
ON
ratio
Ambient temperature
(%)
( )
C
100% 55 C
87.5% 55
C
100% 45 C
240V
264V
TB7 X03
External Connections TB8 Vacant
TB9 X04
TB10 Vacant
TB11 X05
TB12 Vacant
TB13 X06
TB14 Vacant
TB15 X07
TB16 Vacant
TB17 COM
TB1
TB17
100/200VAC
LED
LED
TB15
Internal
circuit
TB18 Vacant
2