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MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.11 QX42 DC Input Module (Positive Common Type)
Type
Specifications
DC input module (Positive common type)
QX42 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/3mA or higher
OFF voltage/OFF current 11V or lower/1.7mA or lower
Input impedance Approx. 5.6kΩ
Response
time
OFF to ON
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter) 1
(Default: 10ms)
ON to OFF
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter) 1
(Default: 10ms)
Dielectric withstand voltage 560VAC rms/3 cycles (altitude 2000m)
Insulation resistance 10MΩ or more by insulation resistance tester
Noise immunity
By noise simulator of 500Vp-p noise voltage, 1 s noise width
and 25 to 60Hz noise frequency
First transient noise IEC61000-4-4: 1kV
Protection degree IP2X
Common terminal arrangement 32 points/common (common terminal: 1B01, 1B02, 2B01, 2B02)
Number of occupied I/O points 64 points (I/O assignment is set as a 64-point input module.)
Operation indicator ON indication (LED), 32 point switch-over using switch
External connections 40-pin connector
Applicable wire size
0.088 to 0.3mm
2
(For A6CON1 or A6CON4) 2
Applicable connector A6CON1, A6CON2, A6CON3, A6CON4 (optional)
Applicable connector/terminal block
converter module
A6TBXY36, A6TBXY54, A6TBX70
Internal current consumption
(5VDC)
90mA (TYP. all points ON)
Weight 0.18kg
1:
For
the
setting method, refer to Section 1.3.1.
2
: When
using
A6CON2 or A6CON3, refer to Chapter 7.
QX42
24VDC
4mA
QX42
DISPLAY
F L
01234567
8 9 ABCDEF
01234567
8 9 ABCDEF
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