Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
En stock
0.40 kg
No
Nuevo
Amazon
USA
- This is an industrial 4-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay 4CH is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
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Configurable RS485 Communication: Device address is configurable (1~255), and multiple devices can be cascaded on the RS485 bus for flexible networking. Relay Control with Flash-on/Flash-off: Supports flash-on/flash-off function, enabling relay activation for a specific period before automatically turning off via command arguments. Wide Voltage Range & Isolation: Onboard voltage regulator supports 7V~36V wide voltage supply, with unibody power supply isolation for stable, isolated voltage without requiring an extra power supply for the isolated terminal. Advanced Protection Features: Includes onboard resettable fuse, TVS (Transient Voltage Suppressor), optocoupler isolation, and relay driver chip with flyback diode protection for surge suppression, anti-electrostatic, and high-voltage interference prevention. Reliable, Easy Installation: High-quality relay with a contact rating of ≤30A 250V AC or ≤30A 28V DC, housed in a rail-mounted ABS plastic enclosure with 3 LEDs to indicate MCU and signal transceiving status. Rich WiKi Resources: We provide official Wiki resources, please visit our store and click the wiki page to get resources.