Technical manual for the Yav YAVUSB8IO industrial high‑speed IO card, covering features, wiring, communication, and troubleshooting.
About this manual
The YAVUSB8IO is an industrial high‑speed IO card with 8 digital inputs and 8 digital outputs, supporting multiple communication methods such as USB, RS232, RS485, Wi‑Fi, GPRS, ZigBee, Bluetooth and 433 MHz wireless. It operates on a DC 12‑24 V supply (24 V recommended) and works with Windows XP/7/8/10 via a driver‑less USB interface.
The manual provides a quick‑start guide, detailed hardware specifications, wiring diagrams, communication protocol information, application examples, performance tests, safety notes, and a troubleshooting section. It also lists protection mechanisms, mechanical dimensions, and contact information for Wuhan Yav Electronics Technology Co., Ltd. This manual is written in Chinese.
What's inside
- Quick Start
- Product Overview
- Digital Input Function
- Signal Wiring
- Digital Output Function
- Communication Protocol
- Application Examples
- Performance Test
- Precautions and Troubleshooting
- Legal Disclaimer
Specifications
| Digital input channels | 8 |
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| Digital output channels | 8 |
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| Input high‑level voltage | 3.3~35 V |
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| Input low‑level voltage | ≤0.5 V |
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| Supply voltage | DC 12‑24 V (24 V recommended) |
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| Communication interface | USB 2.0 |
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| Operating temperature range | -30 °C to 70 °C |
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| Maximum output current | 100 mA |
Frequently asked questions
How many digital input channels does the YAVUSB8IO have?
The card provides eight digital input channels.
What supply voltage is recommended for the YAVUSB8IO?
It operates on DC 12‑24 V, with 24 V recommended.
Does the YAVUSB8IO require a driver to be recognized by Windows?
No, the USB device is driver‑less and is automatically recognized by Windows XP, 7, 8, and 10.