Technical manual that details features, specifications, hardware, communication protocols, installation and troubleshooting for the YAVM2M Modbus…
About this manual
The YAVM2M is a DC7‑24 V powered repeater that consolidates Modbus device registers and forwards data using up to five transmission modes. It supports Modbus‑RTU, YAVIOT and custom protocols, and runs on Windows XP/7/8/10 with a simple, intuitive interface, suitable for industrial, power, environmental and agricultural applications.
The manual provides hardware specifications such as dimensions (125 × 90 × 25 mm), protection features (over‑current, surge, anti‑interference), environmental test results, and communication details (RS232/RS485 interfaces, baud rates 2400‑115200). It also includes application examples, safety guidelines, troubleshooting steps, and contact information for Yav support. This manual is written in Chinese.
What's inside
- Product Overview
- Technical Specifications
- Hardware Features
- Mechanical Dimensions
- Communication Protocols
- Application Examples
- Precautions and Troubleshooting
- Performance Tests
- Document Rights and Disclaimer
- Contact Information
Specifications
| Power Supply Voltage | DC7~24 V |
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| Power Consumption | 0.3 W |
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| Operating Temperature | -30~70 °C |
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| Storage Temperature | -40~80 °C |
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| Dimensions (L×W×H) | 125 × 90 × 25 mm |
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| RS232 Data Rate | 300‑460.8 kbps |
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| RS485 Data Rate | 300‑230.4 kbps |
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| Supported Baud Rates | 2400‑115200 |
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| Supported Protocols | Modbus‑RTU, YAVIOT, custom strings |
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| Maximum RS485 Connections | 32 |
Frequently asked questions
What power supply voltage does the YAVM2M require?
It operates from a DC supply of 7 to 24 volts.
What are the operating temperature limits of the device?
The unit can work in temperatures from –30 °C to 70 °C.
How many RS485 connections can the repeater handle simultaneously?
Up to 32 RS485 connections are supported.