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MELSEC-Q Series Input Unit (DC Sensor)

MELSEC-Q Series Input Unit (DC Sensor)

An input unit (DC sensor) for the versatile MELSEC-Q series

PDF

MELSEC-Q Series Input Unit (DC Sensor) Specifications

QX70

QX70 Image

QX70 Image

QX70 Performance Specifications

Input FormatDC input (positive/negative common shared type)
Number of Inputs16 points
Rated Input Voltage5 V DC (+20/-10%, ripple rate within 5%)
12 V DC (+20/-15%, ripple rate within 5%)
Rated Input CurrentApprox. 1.2 mA (5 V DC)
Approx. 3.3 mA (12 V DC)
Maximum Number of Simultaneous Input Points100%
ON Voltage / ON Current3.5 V or more / 1 mA or more
OFF Voltage / OFF Current1 V or less / 0.1 mA or less
Input ResistanceApprox. 3.3 kΩ
Input Response TimeOFF > ON1 ms / 5 ms / 10 ms / 20 ms / 70 ms or less
ON > OFF1 ms / 5 ms / 10 ms / 20 ms / 70 ms or less
Input Common Method16 points 1 common
Insulation MethodOpto-isolator insulation
Dielectric Strength560 V AC rms / 3 cycles (altitude 2,000 m)
Insulation Resistance10 MΩ or more on an ohmmeter
Protection GradeIP2X
Operation DisplayON Display (LED)
External Wiring Connection Method18-point screw terminal block (M3 Screw)
Number of Occupied Inputs/Outputs16 points (I/O assignment: input 16 points)
5 V DC Internal Current Consumption55 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.14 kg
Part Number
QX70
QX71
QX72
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipNumber Of Inputs Features Number Of Inputs
(Point)
Terminal shape Number of occupied input/outputs
(Point)

SGD 167.30

1 Piece(s) Quote 1616-point 1-common1618-point terminal block16

SGD 285.10

1 Piece(s) Quote 3232-point 1-common3240-pin connector32

SGD 442.20

1 Piece(s) Quote 6432-point 1-common6440-Pin Connector × 264

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Basic Information

Rated Input Voltage(V) DC5/DC12 Representative Standard CE / UL Rated input current(mA) 1.2(DC5V)/3.3(DC12V)
Input answer time 10

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