Modbus RTU 4-way relay module 4-way input optocoupler isolation RS485 communication single chip microcomputer

Modbus RTU 4-way relay module 4-way input optocoupler isolation RS485 communication single chip microcomputer

Modbus-Rtu 2-way Relay Module Switch 2 Channel Optocoupler Isolation Input/Output TTL/RS485 Communication Interface 12V

Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Modbus-Rtu 1 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus RTU 4 12v relay module four Channel switch input and optical coupling isolation RS485 0.15-x

4-way relay module Modbus RTU 4-way input Optocoupler isolation RS485 communication MCU

Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

A5-- Modbus RTU 4 relay module four input optocoupler isolation RS485 communication microcontroller

AC 220V Modbus RTU 4 Channel Relay Module Switch RS485/TTL UART Interface Four-Way Input Output DC3.3-24V Optocoupler Signal

Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V

Modbus RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

Modbus RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

Modbus RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input And Output With Anti Reverse Protection

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input And Output With Anti Reverse Protection

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input And Output With Anti Reverse Protection

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse

12VDC 4 Channel 4DI-4DO Modbus RTU RS485 Relay NPN Input Relay PLC IO Expanding

Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL Durable Easy Install Easy To Use

2X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay, (No Pin)

2X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay, (No Pin)

ABGZ-2X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay(With Terminal)

24VDC 1 Channel 1DI-1DO Modbus RTU RS485 Relay NPN Input Relay PLC IO Expanding

8DI-8DO DC 12V 24V NPN/PNP Optically Isolated Input & 300MA NPN Solid State Relay Output RS485 IO Module Modbus Rtu Board

8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay

12VDC 1 Channel 1DI-1DO Modbus RTU RS485 Relay NPN Input Relay PLC IO Expanding

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