Shopp 4 Channel Relay Module 9600bps Operating Control Input Signal Detection with Optocoupler for Modbus RTU Protocol

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

How to Use:
Includes electronic file instruction manual.

Package List:
1 x Relay Module