The Waveshare Industrial Modbus RTU 8-ch Relay Module (D) is a robust and reliable solution designed for industrial automation applications. Featuring 8 channels of relay outputs, digital input ports, and an RS485 interface, this module offers versatile connectivity and control capabilities.
The module supports the Modbus RTU protocol, facilitating seamless communication and integration with industrial control systems and PLCs. With the RS485 interface, users can establish reliable serial communication over long distances, making it suitable for industrial environments with extended cable runs.
Built with multi-isolation protection circuits, including optocouplers and surge protection, the module ensures reliable operation and safeguards against electrical interference and voltage spikes. This enhances the durability and stability of the module, even in harsh industrial environments.
With a wide power supply range of 7 to 36V, the module offers flexibility in powering options, accommodating various industrial power sources commonly found in different applications. This wide voltage range ensures compatibility and reliability in diverse operating conditions.
The Waveshare Industrial Modbus RTU 8-ch Relay Module (D) is an ideal choice for industrial automation projects requiring reliable relay control and digital input monitoring. Its robust construction, support for Modbus RTU protocol, multi-isolation protection circuits, and wide power supply range make it a versatile and dependable solution for a wide range of industrial applications.
Features:
- Configurable device address (1~255), multi-devices can be cascaded on RS485 bus
- Features flash-on, and flash-off functions, by passing an argument to the command, it is possible to turn on the relay for a while and then close it automatically
- Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal
- Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightning proof & anti-electrostatic
- Onboard Optocoupler isolation, prevents the relay from being interfered with by high-voltage circuit
- Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
- Supports passive and active digital input, with bi-directional optocoupler isolation, a built-in debouncing algorithm. The relay supports digital input linkage control or toggle control
- Reverse-proof circuit prevents the circuit from being damaged accidentally by an incorrect connection
- High-quality relay, contact rating: ≤10A 250VAC/30VDC
- Rail-mounted ABS plastic enclosure, easy to install, safe to use
- Multiple LEDs for indicating the MCU status and signal transceiving status
Package Includes:
1 x Waveshare Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply
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