User`s manual

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MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.13 QX80 DC Input Module (Negative Common Type)
DC Input Module (Negative Common Type) Type
Specifications
QX80 Appearance
Number of input points 16 points
Isolation method Photocoupler
Rated input voltage 24VDC (+20/-15%, ripple ratio within 5%)
Rated input current Approx. 4mA
Input derating No
ON voltage/ON current 19V or higher/3mA or higher
OFF voltage/OFF current 11V or lower/1.7mA or lower
Input impedance Approx. 5.6k
OFF to ON
1ms/5ms/10ms/20ms/70ms or less (CPU parameter setting)
Initial setting is 10ms.
Response
time
ON to OFF
1ms/5ms/10ms/20ms/70ms or less (CPU parameter setting)
Initial setting is 10ms.
Dielectric withstand voltage 560VAC rms/3 cycles (altitude 2000m (6557.38ft.))
Insulation resistance 10M or more by insulation resistance tester
By noise simulator of 500Vp-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 IP2X
Common terminal arrangement 16 points/common (common terminal: TB18)
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 0.16kg
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COM
QX80
NC
24VDC
4mA
01234567
89ABCDEF
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External Connections Terminal Block Number Signal Name
TB1 X00
TB2 X01
TB3 X02
TB4 X03
TB5 X04
TB6 X05
TB7 X06
TB8 X07
TB9 X08
TB10 X09
TB11 X0A
TB12 X0B
TB13 X0C
TB14 X0D
TB15 X0E
TB16 X0F
TB17 Vacant
TB1
TB18
LED
LED
TB16
Internal
circuit
24VDC
TB18 COM
: For the setting method, refer to the section 1.3.1.