When a machine needs to turn many devices on and off, a weak I/O module can cause delays, false signals, or even damage. This problem hurts productivity and can raise maintenance costs. The Mitsubishi MELSEC QY81P Transistor Output I O Module 32 Point gives you a strong, isolated output for each of the 32 points, so you get fast, reliable switching without the risk of interference.
Mitsubishi MELSEC QY81P Transistor Output I O Module 32 Point with Mitsubishi
You need a module that can handle many loads and keep your control system safe. This Mitsubishi product delivers 32 transistor-type outputs, each isolated by a photocoupler. It works with 12-24 V DC power and reacts in less than 1 ms. If you are tired of missing signals or having to add extra hardware, this module solves the issue in one compact unit.
Usages
The QY81P fits into any Mitsubishi PLC rack. Use it to control conveyor motors, valve actuators, lighting arrays, or safety relays. It works well in packaging machines, HVAC systems, and robotic cells where many low-current devices must be switched quickly. The 37-pin D-Sub connector makes wiring simple, so you can add the module to existing lines without redesign.
Benefits
- 32 independent outputs let you control many devices from one slot.
- Photocoupler isolation protects your PLC from voltage spikes.
- Fast response under 1 ms keeps motion precise and safe.
- Low internal power use reduces overall energy consumption.
- Compact size saves space in crowded control cabinets.
Key Features
- 32 transistor (source type) output points.
- Photocoupler isolation for each channel.
- Rated load voltage 12-24 V DC (+20 % / -15 %).
- Maximum load current 0.1 A per point, 2 A per common.
- Response time 1 ms for ON and OFF.
- Internal current consumption 95 mA at 5 V DC.
- 37-pin D-Sub connector for easy wiring.
- Dimensions 98 27.4 90 mm, weight about 0.129 kg.
- Compatible with Mitsubishi MELSEC Q series PLCs.
- Designed for reliable operation in harsh industrial environments.
Specifications
| Model |
QY81P |
| Number of output points |
32 points |
| Isolation method |
Photocoupler |
| Rated load voltage |
12-24VDC (+20/-15%) |
| Maximum load current |
0.1A/point, 2A/common |
| Maximum inrush current |
0.7A, 10ms or less |
| Leakage current at OFF |
0.1mA or less |
| Maximum voltage drop at ON |
0.1VDC (TYP.) 0.1A, 0.2VDC (MAX.) 0.1A |
| Response time (OFF to ON) |
1ms or less |
| Response time (ON to OFF) |
1ms or less (rated load, resistive load) |
| Surge suppressor |
Zener diode |
| Fuse |
No |
| External supply power (Voltage) |
12-24VDC (+20/-15%) (ripple ratio within 5%) |
| External supply power (Current) |
40mA (at 24VDC) |
| Dielectric withstand voltage |
560VAC rms/3 cycles (altitude 2000m (6557.38ft.)) |
| Insulation resistance |
10MΩ or more by insulation resistance tester |
| Noise immunity |
By noise simulator of 500Vp-p noise voltage, 1μs noise width and 25 to 60Hz noise frequency; First transient noise IEC61000-4-4: 1kV |
| Protection of degree |
IP2X |
| Common terminal arrangement |
32 points/common (common terminal: 17, 18, 35) |
| Number of I/O points |
32 (I/O allocation is set as a 32-points output module) |
| Protection function |
Yes (overheat protection function, overload protection function); Overheat protection function is activated in increments of 2 points; Overload protection function is activated in increments of 1 point. |
| Operation indicator |
ON indication (LED) |
| External connections |
37-pin D-sub connector |
| Applicable wire size |
0.3mm² (For A6CON1E) *1 |
| External wiring connector |
A6CON1E, A6CON2E, A6CON3E (optional) |
| Applicable connector/terminal block conversion module |
A6TBY36-E, A6TBY54-E |
| 5VDC internal current consumption |
95mA (TYP. all points ON); (0.10A is shown on the rating plate of the module.) |
| Weight |
0.15kg |
