Relay Module 9600bps Automatic Adjustment Switching Circuit 4 Channel Relay Module Board with Optocoupler for Modbus

Feature: 1. High Performance: The relay module is designed to offer an enhanced relay experience with 4 channel functionality and includes an optocoupler for increased safety and efficiency. 2. Versatile Application: Ideal for use in various types of automatic control circuits. The relay module switch has the ability to make a pre set step change in the controlled variable when the change in the input quantity reaches a certain requirement. 3. Interactive Relationship: Boasting an impressive interactive relationship between the control system (input circuit) and the controlled system (output circuit), the relay module board is a practical automatic switch used to control the operating of large currents with a small current. 4. Enhanced Safety: The 4 channel relay module ensures safety guard, automatic adjustment and switching circuit, offering reliable functionality in protecting your equipment. 5. Practical Use: With the support for Modbus RTU Protocol, the 4 channel relay module switch can achieve the of 4 channel input signal detection, 4 channel relay output, and is applicable for digital quantity detection or power control occasions. Specification: Item Type: Relay Module Material: PCB Power Voltage: 5 32V Protocol: Support for Modbus RTU Standard Protocol Interface: For RS485 Interface Baud Rate: 4800 9600 19200, default 9600bps, support power off memory Output Signal: Relay Switch Signal Device Address: Range 1 255, default 255, support power off memory . Package List: 1 x Relay Module