Technical manual with specs, interfaces, wiring, communication protocols, installation, operation and troubleshooting for the YAV 16J relay control card.
The YAV 16J is a 16‑channel relay control card designed for industrial IoT applications. It supports multiple communication interfaces such as RS232, RS485, Wi‑Fi, GPRS, Bluetooth, ZigBee and LoRa, and can be powered by a 9‑24 V DC source. The card provides protective features including over‑voltage, over‑current, and EMI shielding.
The manual covers quick start procedures, hardware layout, terminal definitions, technical specifications, hardware characteristics, communication protocol (Modbus‑RTU), application examples, safety guidelines, troubleshooting steps, and warranty information. It also includes environmental test results and contact details for the manufacturer. This manual is written in Chinese.
| Relay channels | 16 |
|---|---|
| Relay voltage | AC220V or DC30V |
| Supply voltage | DC9‑24 V |
| Communication interface | RS232/RS485 Modbus‑RTU |
| Operating temperature range | -30 °C to 70 °C |
| Storage temperature range | -40 °C to 80 °C |
| Maximum load voltage | DC30 V / AC250 V |
| Maximum load current | 10 A |
The YAV 16J provides 16 relay channels.
It supports RS232 and RS485 interfaces using the Modbus‑RTU protocol.
The card can be powered with a DC voltage between 9 V and 24 V.
It operates from –30 °C up to 70 °C.