Modbus RTU 1 2 4 8 channel Relay Module 485 TTL Communication 1 2 4 8 Channel Input Relay Module 12V

X13686

Sale price $21.99 Regular price ~~$25.11~~

Tax included.

Description:

8 channel

RS485 Communication Interface.
TTL communication interface.
8-way optocoupler isolated input.
8-channel optocoupler isolated output.
A Reset Button.
A User Button.
A User ED Indicator.
A power indicator.
A STM8S103K MCU (new version changed to STM8S030K, 103K MCU 030K is ARM).
8 Relay Status Indicator L ED Lamps.
DC power supply seat (12V power supply).
Power terminal interface (12V power supply).

Specification:

Product size: 143mm*67mm*15mm/5.62*2.63*0.59''
Packaging weight: 159g

4 channel

4 channel relay output (a normally open, normally closed)

STM8S103F3 microcontroller
4 way optical coupling isolation
4 relay closed the LED light
Circular DC interface, and DC terminal interface.Convenient power connection (5 v or 12 v power supply voltage according to the voltage relay decision)
4 road input interface
All the RS485 communication interface.
A power indicator light
A user LED lights
Reset button

2 channel

RS485 communication interface

TTL communication interface

2 optocoupler isolation input

2 way optocoupler isolation output

A user button

A user LED

A power indicator

A STM32F030F4 microcontroller

2 relay status indicators LED lights

Power supply terminal interface (12V power supply)

Modbus RTU instruction

Baud rate: 9600 8 NONE 1

Hexadecimal send

Hexadecimal reception

Package Included:

1 x Modbus rtu 1 2 4 8 channel Relay Module 485 TTL Communication 1 2 4 8 Channel Input Relay Module 12V