User`s manual

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MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.8 QX42-S1 DC Input Module (Positive Common Type)
DC Input Module (Positive Common Type) Type
Specifications
QX42-S1 Appearance
Number of input points 64 points
Isolation method Photocoupler
Rated input voltage 24VDC (+20/-15%, ripple ratio within 5%)
Rated input current Approx. 4mA
Input derating
Refer to the derating chart.
ON voltage/ON current 19V or higher/3.0mA or higher
OFF voltage/OFF current 9.5V or lower/1.5mA or lower
Input impedance Approx. 5.6k
Set value 1 0.1 0.2 0.4 0.6 1
Typ 0.05ms 0.15ms 0.30ms 0.55ms 1.05ms
OFF to ON
max 0.12ms 0.20ms 0.40ms 0.60ms 1.20ms
Typ 0.15ms 0.20ms 0.35ms 0.60ms 1.10ms
Response
time
ON to OFF
max 0.20ms 0.30ms 0.50ms 0.70ms 1.30ms
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
32 points/common (common terminal: 1B01, 1B02, 2B01, 2B02)
Number of I/O points 64 (I/O allocation is set as a 64-points Hi. input module)
Operation indicator ON indication (LED), 32 point switch-over using switch
External connections
40-pin connector
Applicable wire size
0.3mm
2
(For A6CON1 or A6CON4) 2
External wiring connector A6CON1, A6CON2, A6CON3, A6CON4 (optional)
Applicable connector/terminal
block conversion module
A6TBXY36, A6TBXY54, A6TBX70
5VDC internal current
consumption
90mA (TYP. all points ON)
Weight 0.18kg
QX42-S1
24VDC
4mA
QX42-S1
DISPLAY
F L
01234567
89ABCDEF
01234567
89ABCDEF
1: CPU parameter setting. (Initial setting is 0.2ms)
Response time can be changed on SW5D5C-GPPW or later.
For the setting method, refer to the section 1.3.1.
2: When using A6CON2 or A6CON3, refer to Chapter 7.