4-way POE Functional Network Relay Control Board/Modbus TCP/RTU/Isolation/Industrial Level/

-0.3%

4 channel rs232/485/serial control relay module board modbus rtu/computer control switch x-0.13

0

0

Industrial modbus gateway server modbus rtu/ascii to modbus tcp supports plc serial port

0

1

Modbus gateway industry high stability rtu module 232 turn network port modbus tcp

0

0

-0.9%

Tgw-715 micro modbus/tcp ho rtu/ascii poe 1 rs-422/485

0

0

Industrial modbus gateway server modbus tcp to modbus rtu/ascii with rs485/422/232 & ethernet port modbus support master &slave

0

1

-9%

Modbus gateway server double serial port mobus rtu go to mobus tcp 5eth photoelectric isolation

0

0

-7%

Incomplete data

Ethernet module 8ai8di industrial acquisition control module modbus rtu tcp udp protocol io unit

0

0

-2%

2 serial port communication server modbus rtu to tcp gateway 232/485 to ethernet module industrial-grade network serial port410s

0

0

Usr-n510 1 port industrial serial to ethernet converte server device rs232 rs485 rs422 serial support watchdog modbus rtu to tcp

0

0

Usr-n510 rs232/rs485/rs422 serial to tcp ip single port ethernet converter watchdog gateway industrial grade modbus rtu to tcp

0

4

-3%

Waveshare industrial modbus rtu 8-ch relay module with rs485 interface, multi isolation protection circuits

0

2

-15%

32ai analog 4-20ma 0-10v adc acquisition ethernet io module modbus tcp rtu protocol

0

0

32ai analog quantity 4-20ma 0-10v adc acquisition ethernet io module modbus tcp rtu protocol

0

0

Modbus rtu 8-way relay module, rs485 interface, with multiple isolation protection circuits, industrial grade

0

0

-0.6%

Incomplete data

Lan ethernet 2 way relay board delay switch tcp/udp controller module web server l29k

0

0

Dam0404a 4-channel analog acquisition 4-channel relay output control board modbus isolation 485

0

0

-9%

Serial control relay io card plc industrial control board rs485 232 modbus programming 4 ways

0

0

-0.6%

6 way relay control output module 220v 5a contact capacity equipment modbus tcp ethernet

0

0

-7%

Modbus rtu protocol 4 in 4 out control relay module rs485 switch input and output plc module

0

0

12v 8-channel rs485 relay plc expansion board for rtu protocol remote control industrial accessories

0

1

-3%

1pcs 2-way relay module 5/12v with optocoupler isolation protection relay board expansion board development board accessories

0

1

Expansion board 12v 6-channel rs485 relay plc electrical expansion module for modbus rtu protocol remote control

0

0

-4%

Incomplete data

Four door network access control panel board with software communication protocol tcp/ip board wiegand reader for 4 door use

0

0

-6%

Serial port io acquisition module relay control board expansion switch rs485/232 communication modbus protocol

0

0

-2%

Modbus rtu 4 ch relay module input 485 ttl uart communication 4-channel input 7-24v relay module cnim hot

0

0

New-4 channel dc 12v rs485 relay module modbus rtu and at command remote control switch for plc ptz camera security monitoring

0

0

Dam0404 4 way rs232/485/ serial port control relay board / computer control switch / intelligent control

0

1

-17%

Zy-k216 serial port control switch rs232 control 16 way relay module industrial control switch strip isolation

0

0

Itcp-4404 ethernet analog output module current voltage rj45/modbus tcp control ao/4-20ma/0-10v module sensor

0

0

-0.9%

Photoelectric isolation of rs485/rs232 to 4-port rs485 hub splitter (industrial level 2 lightning protection)

0

0

1pcs 4 channel 5v relay module with optocoupler 4 way relay control board or avr pic mcu arduino

0

1

-4%

Optical coupler isolation high low level voltage converter module 4 channel 4ch board low level valid easy to connect

0

0

-0.6%

Incomplete data

Ethernet tcp/ip remote control module rj45 port network web server 8 channels relay integrated remote controller board

0

1

-2%

8-way switch data acquisition, di / do, 4-way relay output control module, modbus rs485 communication adm-4184

0

0

-0.6%

Incomplete data

Smart home automation module controller network system switch remote power tcp ip relay control ethernet main board without box

0

0

Lan ethernet rj45 tcp/ip web remote control board with 4 channels relay udp w5500 networking controller

0

0

100% new 817 optocoupler 4-way voltage isolation board voltage control switching module drive module optical isolation module

0

0

-3%

10pcs 817 optocoupler 4-way voltage isolation board voltage control switching module drive module optical isolation module

0

0

4-channel dc 12v 30a relay module control board optocoupler isolation high/low trigger

0

1

-5%

4 channel dc 5v relay module board, electrical equipments 4-ch optocoupler fit pic smart home control switch

0

0

-2%

4-channel photoelectric isolation relay module module control board drive board single chip microcomputer 5 12 24v

0

0

-5%

5pcs 4 ch 5v infrared receiver relay driver board+remote control/4ch infrared transceiver suite/infrared remote control switch

0

0

-7%

Incomplete data

Chinese gsm sms remote controller module anti-theft alarm remote control board 4-way relay control box

0

0

-21%

Dc 5v 4 channel 4ch relay module relay control board for arduino with optocoupler relay output 4 way relay 4-channel

0

1

4 channel dc 5v relay module with optocoupler isolation support avr/51/pic microcontroller low level trigger expansion board

0

0

-5%

Tcp/ip access control board 1 2 4 door security access controller with back up battery function 5a power box

0

0