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MELSEC-Q Series Input Unit (DC Negative Common) (QX81)

MELSEC-Q Series Input Unit (DC Negative Common) QX81

MITSUBISHI

MITSUBISHI

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

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Part Number

Configured Part Number is shown.

QX81

QX80 Specifications

Input FormatDC Input (negative common type)
Number of Inputs16 points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 4 mA
Input DeratingN/A
ON Voltage / ON Current19 V or more / 3 mA or more
OFF Voltage / OFF Current11 V or less / 1.7 mA or less
Input ResistanceApprox. 5.6 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 Consumption50 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.16 kg

QX80-TS Specifications

Input FormatDC Input (negative common type)
Number of Inputs16 points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 4 mA
Input DeratingN/A
ON Voltage / ON Current19 V or more / 3 mA or more
OFF Voltage / OFF Current11 V or less / 1.7 mA or less
Input ResistanceApprox. 5.6 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 2-piece spring clamp terminal block
Number of Occupied Inputs/Outputs16 points (I/O assignment: input 16 points)
5 V DC Internal Current Consumption50 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.16 kg

QX81 Specifications

Input FormatDC Input (negative common type)
Number of Inputs32 Points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 4 mA
ON Voltage / ON Current19 V or more / 3 mA or more
OFF Voltage / OFF Current11 V or less / 1.7 mA or less
Input ResistanceApprox. 5.6 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 Method32 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 Method37-pin D-sub Connector
 Compatible ConnectorA6CON1E, A6CON2E, A6CON3E (sold separately)
Number of Occupied Inputs/Outputs32 points (I/O assignment: input 32 points)
5 V DC Internal Current Consumption75 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.16 kg

Input Derating

Input derating graph

Input derating graph

QX81-S2 Specifications

Input FormatDC Input (negative common type)
Number of Inputs32 Points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 6 mA
ON Voltage / ON Current15 V or more / 3 mA or more
OFF Voltage / OFF Current5 V or less / 1.7 mA or less
Input ResistanceApprox. 3.6 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 Method32 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 Method37-pin D-sub Connector
 Compatible ConnectorA6CON1E, A6CON2E, A6CON3E (sold separately)
Number of Occupied Inputs/Outputs32 points (I/O assignment: input 32 points)
5 V DC Internal Current Consumption75 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.16 kg

Input Derating

Input derating graph

Input derating graph

QX82 Specifications

Input FormatDC Input (negative common type)
Number of Inputs64 points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 4 mA
ON Voltage / ON Current19 V or more / 3 mA or more
OFF Voltage / OFF Current11 V or less / 1.7 mA or less
Input ResistanceApprox. 5.6 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 Method32 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)
32-point switch display by SW
External Wiring Connection Method40-pin connector × 2
 Compatible ConnectorA6CON1, A6CON2, A6CON3, A6CON4 (sold separately)
Number of Occupied Inputs/Outputs64 points (I/O assignment: input 64 points)
5 V DC Internal Current Consumption90 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.18 kg

Input Derating

Input derating graph

Input derating graph

QX82-S1 Specifications

Input FormatDC Input (negative common type)
Number of Inputs64 points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 4 mA
ON Voltage / ON Current19 V or more / 3 mA or more
OFF Voltage / OFF Current9.5 V or less / 1.5 mA or less
Input ResistanceApprox. 5.6 kΩ
Input Response TimeResponse Time Setting0.1 ms / 0.2 ms / 0.4 ms / 0.6 ms / 1 ms
OFF > ONTYP.0.05 ms / 0.15 ms / 0.30 ms / 0.55 ms / 1.05 ms
MAX.0.12 ms / 0.20 ms / 0.40 ms / 0.60 ms / 1.20 ms
ON > OFFTYP.0.15 ms / 0.20 ms / 0.35 ms / 0.60 ms / 1.10 ms
MAX.0.20 ms / 0.30 ms / 0.50 ms / 0.70 ms / 1.30 ms
Input Common Method32 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)
32-point switch display by SW
External Wiring Connection Method40-pin connector × 2
 Compatible ConnectorA6CON1, A6CON2, A6CON3, A6CON4 (sold separately)
Number of Occupied Inputs/Outputs64 points (I/O assignment: input 64 points)
5 V DC Internal Current Consumption90 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.18 kg

Input Derating

Input derating graph

Input derating graph

QX80H Specifications

Input FormatDC Input (negative common type)
Number of Inputs16 points
Rated Input Voltage24 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 6 mA
ON Voltage / ON Current13 V or less / 3 mA or less
OFF Voltage / OFF Current8 V or less / 1.6 mA or less
Input ResistanceApprox. 3.9 kΩ
Input Response TimeSW1 (Noise Filter)OFF / ON
Response Time SettingDisabled / 0.1 ms / 0.2 ms / 0.4 ms / 0.6 ms / 1 ms
OFF > ONTYP.0 ms / 0.04 ms / 0.10 ms / 0.25 ms / 0.50 ms / 0.95 ms
MAX.- / 0.05 ms / 0.15 ms / 0.30 ms / 0.60 ms / 1.00 ms
ON > OFFTYP.0 ms / 0.04 ms / 0.10 ms / 0.25 ms / 0.50 ms / 0.95 ms
MAX.- / 0.05 ms / 0.15 ms / 0.30 ms / 0.60 ms / 1.00 ms
Function SettingSW2OFF: Interruption
ON: High-speed Input
Input Common Method8 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: high-speed input 16 points / interruption 16 points)
Interruption Processing ConditionConfiguration by switch settings of the CPU parameters
5 V DC Internal Current Consumption80 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.16 kg

Input Derating

Input derating graph

Input derating graph

QX90H Specifications

Input FormatDC Input (negative common type)
Number of Inputs16 points
Rated Input Voltage5 V DC (+20/-15%, ripple ratio within 5%)
Rated Input CurrentApprox. 6 mA
Input DeratingN/A
ON Voltage / ON Current3.5 V or more / 3 mA or more
OFF Voltage / OFF Current1 V or less / 1 mA or less
Input ResistanceApprox. 470 Ω
Input Response TimeSW1 (Noise Filter)OFF / ON
Response Time SettingDisabled / 0.1 ms / 0.2 ms / 0.4 ms / 0.6 ms / 1 ms
OFF > ONTYP.0 ms / 0.04 ms / 0.10 ms / 0.25 ms / 0.50 ms / 0.95 ms
MAX.- / 0.05 ms / 0.15 ms / 0.30 ms / 0.60 ms / 1.00 ms
ON > OFFTYP.0 ms / 0.04 ms / 0.10 ms / 0.25 ms / 0.50 ms / 0.95 ms
MAX.- / 0.05 ms / 0.15 ms / 0.30 ms / 0.60 ms / 1.00 ms
Function SettingSW2OFF: Interruption
ON: High-speed Input
Input Common Method8 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: high-speed input 16 points / interruption 16 points)
Interruption Processing ConditionConfiguration by switch settings of the CPU parameters
5 V DC Internal Current Consumption80 mA (TYP. all points ON)
External DimensionsHeight (H)98 mm
Width (W)27.4 mm
Depth (D)90 mm
Weight0.14 kg
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  1. 1
Part Number
QX81
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipNumber Of Inputs Rated Input Voltage
(V) 		Features Number Of Inputs
(Point) 		Rated input current
(mA) 		Input answer time Terminal shape Number of occupied input/outputs
(Point)

SGD 324.40

1 Piece(s) 20 Day(s) 32DC2432-point 1-common32Approximately 4 mA1/5/10/20/7037-Pin D-Sub Connector32

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  1. 1
 

Basic Information

Representative Standard CE / UL

Please check the type/dimensions/specifications of the part QX81 in the MELSEC-Q Series Input Unit (DC Negative Common) series.

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Specification/Dimensions

  • Number Of Inputs

    • 16
    • 32
    • 64

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  • Rated Input Voltage(V)

    • DC5
    • DC24

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  • Features

    • 8-point 1-common
    • 16-point 1-common
    • 32-point 1-common

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  • Number Of Inputs(Point)

    • 16
    • 32
    • 64

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  • Rated input current(mA)

    • Approximately 4 mA
    • Approximately 6mA

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  • Input answer time

    • 0/0.1/0.2/0.4/0.6/1
    • 0.1/0.2/0.4/0.6/1
    • 1/5/10/20/70

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  • Terminal shape

    • 18-point terminal block
    • Spring Clamp Terminal Bloc with 18 Point Display Function
    • 37-Pin D-Sub Connector
    • 40-Pin Connector × 2

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  • Number of occupied input/outputs(Point)

    • 16
    • 32
    • 64

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Days to Ship

    • All
    • 20 Day(s) or Less
    • 91 Day(s) or Less

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Specify Alterations

Similar Part Numbers

Part Number
QX80
QX80-TS
QX80H
QX81-S2
QX82
QX82-S1
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipNumber Of Inputs Rated Input Voltage
(V) 		Features Number Of Inputs
(Point) 		Rated input current
(mA) 		Input answer time Terminal shape Number of occupied input/outputs
(Point)

SGD 191.30

1 Piece(s) 91 Day(s) 16DC2416-point 1-common16Approximately 4 mA1/5/10/20/7018-point terminal block16

SGD 215.20

1 Piece(s) Quote 16DC2416-point 1-common16Approximately 4 mA1/5/10/20/70Spring Clamp Terminal Bloc with 18 Point Display Function16

SGD 208.30

1 Piece(s) Quote 16DC248-point 1-common16Approximately 6mA0/0.1/0.2/0.4/0.6/118-point terminal block16

SGD 324.40

1 Piece(s) Quote 32DC2432-point 1-common32Approximately 6mA1/5/10/20/7037-Pin D-Sub Connector32

SGD 420.00

1 Piece(s) 20 Day(s) 64DC2432-point 1-common64Approximately 4 mA1/5/10/20/7040-Pin Connector × 264

SGD 420.00

1 Piece(s) Quote 64DC2432-point 1-common64Approximately 4 mA0.1/0.2/0.4/0.6/140-Pin Connector × 264

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