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MELSEC-Q Series AC Input Unit (QX28)
- On Sale Till 30/06/2026
MELSEC-Q series AC input unit.
[Features]
· A wider range of lineup than the common type in voltage and number of input points.
· External dimensions: (H) 98 mm, (W) 27.4 mm, (D) 90 mm.
[Applications]
· For receiving external ON/OFF signals and transmitting ON/OFF signals externally.
Part Number
Configured Part Number is shown.
QX28
AC Input Unit QX10/QX10-TS Common Specifications
| Input Format | AC Input | |
|---|---|---|
| Number of Inputs | 16 points | |
| Rated Input Voltage, Frequency | 100 to 120 V AC (+10/-15%), 50/60 Hz(±3 Hz) | |
| Input Voltage Distortion Factor | Within 5% | |
| Rated Input Current | Approx. 8 mA (for 100 V AC, 60 Hz) Approx. 7 mA (for 100 V AC, 50 Hz) | |
| Inrush Current | Maximum 200 mA, within 1 ms (for 132 V AC) | |
| ON Voltage / ON Current | 80 V AC or more / 5 mA or more (50 Hz, 60 Hz) | |
| OFF Voltage / OFF Current | 30 V AC or less / 1.7 mA or less (50 Hz, 60 Hz) | |
| Input Impedance | Approx. 12 kΩ (60 Hz), approx. 15 kΩ (50 Hz) | |
| Input Response Time | OFF > ON | 15 ms or less (100 V AC 50 Hz, 60 Hz) |
| ON > OFF | 20 ms or less (100 V AC 50 Hz, 60 Hz) | |
| Input Common Method | 16 points 1 common | |
| Insulation Method | Opto-isolator insulation | |
| Dielectric Strength | 1,780 V AC rms / 3 cycles (altitude 2,000 m) | |
| Insulation Resistance | 10 MΩ or more on an ohmmeter | |
| Operation Display | ON Display (LED) | |
| Number of Occupied Inputs/Outputs | 16 points (I/O assignment: input 16 points) | |
| 5 V DC Internal Current Consumption | 50 mA (TYP. all points ON) | |
| External Dimensions | Height (H) | 98 mm |
| Width (W) | 27.4 mm | |
| Depth (D) | 90 mm | |
| Weight | 0.17 kg | |
Input Derating
Input Derating
Protection Grade / External Wiring Connection Method
QX10 protection grade: IP1X / external wiring connection method: 18-point screw terminal block (M3 screw)
QX10-TS protection grade: IP2X / external wiring connection method: 18-point 2-piece spring clamp terminal block
AC Input Unit QX28 Specifications
| Input Format | AC Input | |
|---|---|---|
| Number of Inputs | 8 points | |
| Rated Input Voltage, Frequency | 100 to 240 V AC (+10/-15%), 50/60 Hz(±3 Hz) | |
| Input Voltage Distortion Factor | Within 5% | |
| Rated Input Current | Approx. 17 mA (200 V AC, 60 Hz) Approx. 14 mA (200 V AC, 50 Hz) Approx. 8 mA (100 V AC, 60 Hz) Approx. 7 mA (100 V AC, 50 Hz) | |
| Inrush Current | Maximum 950 mA, within 1 ms (for 264 V AC) | |
| ON Voltage / ON Current | 80 V AC or more / 5 mA or more (50 Hz, 60 Hz) | |
| OFF Voltage / OFF Current | 30 V AC or less / 1.7 mA or less (50 Hz, 60 Hz) | |
| Input Impedance | Approx. 12 kΩ (60 Hz), approx. 15 kΩ (50 Hz) | |
| Input Response Time | OFF > ON | 10 ms or less (100 V AC 50 Hz, 60 Hz) |
| ON > OFF | 20 ms or less (100 V AC 50 Hz, 60 Hz) | |
| Input Common Method | 8 points 1 common | |
| Insulation Method | Opto-isolator insulation | |
| Dielectric Strength | 2,830 V AC rms / 3 cycles (altitude 2,000 m) | |
| Insulation Resistance | 10 MΩ or more on an ohmmeter | |
| Protection Grade | IP1X | |
| Operation Display | ON Display (LED) | |
| External Wiring Connection Method | 18-point screw terminal block (M3 Screw) | |
| Number of Occupied Inputs/Outputs | 16 points (I/O assignment: input 16 points) | |
| 5 V DC Internal Current Consumption | 50 mA (TYP. all points ON) | |
| External Dimensions | Height (H) | 98 mm |
| Width (W) | 27.4 mm | |
| Depth (D) | 90 mm | |
| Weight | 0.20 kg | |
Input Derating
Input Derating
| Part Number |
|---|
| QX28 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Number Of Inputs | Rated Input Voltage (V) | Features | Rated input current (mA) | Terminal Shape |
|---|---|---|---|---|---|---|---|---|---|---|
MYR 718.33 MYR 574.66 | 1 Piece(s) | 79 Day(s) | 6 | 8 | AC 100–240 | 8-point 1-common | 7(AC100V50Hz) / 8(AC100V60Hz) / 14(AC200V50Hz) / 17(AC200V60Hz) | 18-point terminal block |
Loading...
Basic Information
| Representative Standard | CE / UL | Input answer time | 20 | Number of occupied input/outputs(Point) | 16 |
|---|
Please check the type/dimensions/specifications of the part QX28 in the MELSEC-Q Series AC Input Unit series.
Specification/Dimensions
-
Rated input current(mA)
- 7(AC100V50Hz)
- 8(AC100V60Hz)
- 14(AC200V50Hz)
- 17(AC200V60Hz)
-
Number Of Inputs
-
Rated Input Voltage(V)
-
Features
- 8-point 1-common
- 16-point 1-common
-
Terminal Shape
- 18-point terminal block
- Spring Clamp Terminal Bloc with 18 Point Display Function
Days to Ship
-
- All
- 4 Day(s) or Less
- 79 Day(s) or Less
- 97 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| QX10 |
| QX10-TS |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Number Of Inputs | Rated Input Voltage (V) | Features | Rated input current (mA) | Terminal Shape |
|---|---|---|---|---|---|---|---|---|---|---|
MYR 718.33 | 1 Piece(s) | 4 Day(s) | 6 | 16 | AC100 to 120 | 16-point 1-common | 7(AC100V50Hz) / 8(AC100V60Hz) | 18-point terminal block | ||
MYR 826.67 | 1 Piece(s) | 97 Day(s) | 6 | 16 | AC100 to 120 | 16-point 1-common | 7(AC100V50Hz) / 8(AC100V60Hz) | Spring Clamp Terminal Bloc with 18 Point Display Function |
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