$34.8 Buy It Now or Best Offer
free,30-Day Returns
Seller Store devkits
(10382) 99.3%,
Location: 深圳
Ships to: US,
Item: 254476308391
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
MPN:17658
Country/Region of Manufacture:China
Waveshare:Waveshare
This auction is for Modbus RTU Relay (EN) Industrial Modbus RTU 8-ch Relay Module with RS485 Interface, Multi Isolation Protection Circuits Overview This is an industrial 8-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, ADI magnetical isolation, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay 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. Features Configurable device address (1~255), multi devices can be cascaded on RS485 bus Features flash-on, flash-off function, by passing 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, needs no extra power supply for the isolated terminal Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection High quality relay, contact rating: ≤10A 250VAC/30VDC Rail-mounted ABS plastic enclosure, easy to install, safe to use 3 LEDs for indicating the MCU status and signal transceiving status Specifications Power supply voltage: 5V Communication interface: RS485 Baudrate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 Default communication format: 9600, N, 8, 1 Relay channels: 8 Contact form: 1NO 1NC Communication protocol: Standard Modbus RTU protocol RS485 address: 1~255 RS485 terminal protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads) LED indicators: STA: MCU indicator, keep flashing when the MCU normally working TXD: TX indicator, light up when sending data RXD: RX indicator, light up when receiving data RS485 8-ch Relay Module Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable Hardware Analysis Enclosure Design Rail-mounted ABS plastic enclosure, easy to install, safe to use RS485 Communication Configurable device address (1~255), multi devices can be cascaded on RS485 bus In case of many devices are cascaded, or communication distance is quite long, it is necessary to use RS485 repeaters Relay connection Contact rating of the onboard relay up to 10A 250VAC/30VDC Directly controlling 220VAC home appliances, or devices below 30VDC Applications Outline dimensions Development Resources Wiki : www.waveshare.com/wiki/Modbus_RTU_Relay Package Contains Modbus RTU Relay x1 Power adapter US plug 5V/2A 5.5/2.1 x1 Power adapter EU head x1 1 2 3
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