N0V0
SKU: 26517
Part Number: Modbus RTU Relay (D)
Brand: Waveshare
RS485 8-Ch Relay Module (D)
Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe &Stable &Reliable
Features At A Glance
This is an industrial 8-ch relay module controlled via RS485 bus, with 8-ch digital input, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, magnetical isolation, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay (D) 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.
Specifications
POWER SUPPLY 7~36V
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
CONTACT RATING ≤10A 250VAC/30VDC
DIGITAL INPUT 8DI, 5~36V, passive / active input (NPN or PNP), built-in bi-directional optocoupler isolation
COMMUNICATION PROTOCOL Standard Modbus RTU protocol
RS485 ADDRESS 1~255
LED INDICATORS STA: MCU indicator, keeps flashing when the MCU normally working
TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data
Primary Function
Supports Reading Digital Input By Sending Modbus RTU Protocol Commands Via RS485 For Relay Output Control
Hardware Analysis
Multiple Protections For Safer And More Reliable Use
Digital Input
Supports Passive (Dry Contact) And Active (Wet Contact) Digital Input, With Bi-Directional Optocoupler Isolation
Interfaces &Indicators
With Multiple LED Indicators, Easy To Monitor The Operating Status
Multiple Modes For Various Automation Scenarios
Supports Multiple Relay Control Modes, Each Channel Supports Independent
Control Mode Setting
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
Enclosure Design
Rail-Mounted ABS Plastic Enclosure, Easy To Install, Safe To Use
WIKI: www. waveshare. com/wiki/Modbus_RTU_Relay_(D)
PACKAGE CONTENT
Weight: 0.296 kg
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