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MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.17 QX72 DC Input Module (Positive/Negative Shared Common Type)
Type
Specifications
DC input module (Positive/negative shared common type)
QX72 Appearance
Number of input points 64 points
Isolation method Photocoupler
Rated input voltage
5VDC
(+20/-10%, ripple ratio within 5%)
12VDC
(+20/-15%, ripple ratio within 5%)
Rated input current Approx. 1.2mA Approx. 3.3mA
Input derating None
ON voltage/ON current 3.5V or higher/3mA or higher
OFF voltage/OFF current 1V or lower/0.1mA or lower
Input resistance Approx. 3.3kΩ
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 switchover 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)
Internal current consumption
(5VDC)
85mA (TYP, all points ON)
(0.09A is shown on the rating plate of the module.)
Weight 0.13kg
1: For the setting method, refer to Section 1.3.1.
2: When using A6CON2 and A6CON3, refer to Chapter 7.
QX72
QX72
DISPLAY
F L
01234567
8 9 ABCDEF
01234567
8 9 ABCDEF
5/12VDC
1.2/3.3mA
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