4 Channel RS232/485/serial control relay Module Board MODBUS RTU/Computer control switch X-0.13

-2%

Modbus rtu module 485 serial switch rs232 serial relay intelligent home io acquisition bsm

1

0

-0.2%

Eight serial control relay module board/rs232/computer control switch 8 channel computer control remote

0

1

-4%

Eight-way serial relay module rs232/rs485 computer plc control switch 8-way modbus lh-08

0

0

-18%

Modbus-rtu 1/2 channel 7-24v relay module switch modbus rtu 4 channel relay output 12v switch input 485 communication ttl pin he

1

1

-4%

Rs232 serial control relay module/computer control switch/all the channel serial port control switch

1

1

-4%

Modbus rtu 4 way relay module diy 4 road input 485 ttl communication 4-channel input relay module

3

11

5.0

-5%

Dc 12v realy 16 channel rs485 relay module rtu relay board plc controller serial port switch 485 relais

0

0

-21%

16 channel dc 12v rs485 relay module modbus rtu 485 remote control switch board for plc ptz camera motor

0

0

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

0

1

-5%

4 four channel 4 channel usb relay module usb intelligent control switch usb computer switch

0

0

Adm-4204i-c 4-channel analog output module 485 to analog 4-20ma signal da module modbus rtu

0

0

-21%

Free shipping 8 rs232 485 serial relay control board (modbus) computer control relay module

0

0

-21%

Free shipping 485 relay module modbus rtu protocol switch module of digital quantity module 485 switch

0

0

-16%

Free shipping nnzn-tcp232-950 serial to ethernet module modbus rtu rs232/485 server

0

0

4g wireless 4-switch 8-channel analog acquisition module, switch relay wireless control, modbus rtu

0

0

-8%

Modbus gateway industrial level serial server rtu ethernet to rs232/485/422atc3002

0

0

-3%

485 control 16-channel relay output module 485 relay board

0

0

Modbus-rtu rs232/rs485 four-way serial port relay module 4 in 4 out computer plc control

0

0

-4%

16do 16 channel relay output module isolation 485 standard modbus-rtu industrial control module

0

0

1pcs modbus rtu 8 channel relay module 485 ttl communication 8-channel input relay module relay output board module

0

0

Rs485 modbus-rtu 12v 4bit relay module 4-channel switch controller for arduino

1

1

-7%

4 way relay control panel /30a/rs485/rs232/modbus rtu/ with isolation / industrial grade

0

0

-6%

1pcs modbus rtu 8-channel relay module 485 ttl communication 8-channel input relay module 12v

2

3

-4%

Relay control board 2 way io card omron serial rs232 485 communication modbus vb case

0

0

1pcs modbus rtu 1 2 4 8 channel relay module 485 ttl communication 1 2 4 8 channel input relay module 12v

2

1

-7%

Incomplete data

12v/24v modbus rtu 4 channel relay module rs485 ttl communication 4 channel input relay module

1

8

5.0

-16%

For modbus rtu 2 channel 12v relay output board module switch input rs485 / ttl uart module

1

0

-6%

Dc 12v relay module 8 channel modbus rtu rs485 relay board plc controller serial port switch with din35 rail box for arduino

0

0

-2%

Free ship 3pcs serial port control single-chip usb control switch plc rs232 relay module, data acquisition computer boards

0

0

-5%

Diymore modbus rtu 4 channel 12v relay output board module switch input rs485 / ttl communication module

1

3

5.0

-2%

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

0

0

1pcs modbus rtu 8-channel relay module 485 ttl communication 8-channel input relay module

0

0

-5%

8 way rs232 485 serial port relay control panel (modbus version) computer controlled relay module

0

0

-1%

12 channel relay output 16 analog input modbus rtu rs485 rs232 module

0

0

Usr-tcp232-410s serial server rs232/485 to ethernet bidirectional modbus rtu

1

2

-2%

Adm-4204i-a4 new 4-channel analog output module 485 to analog 4-20ma signal da module modbus rtu

0

1

-2%

Modbus rtu 1-12v relay module 1 road switch input/output and rs485

0

0

-0.9%

Modbus rtu 4 way relay module diy stm8s103 system 4 road input 485 communication

0

1

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

0

0

Diymore modbus rtu 2 channel 12v relay output board module switch input rs485 / ttl communication module

0

1

-5%

Waterproof type ultrasonic rangefinder / ranging module / sensor rs232/485/ttl modbus-rtu ultrasonic distance measurement module

0

0

-21%

Hlzs-for modbus rtu 2 channel 12v relay output board module switch input rs485 / ttl uart module

0

0

16-channel ntc temperature module / support modbus-rtu / rtd temperature / configuration / industrial control / 485 / 232

0

0

-2%

16 channel 12v relay module relay control board with optocoupler protection, with lm2576 power supply 0.18-x

1

1

16-channel 12vdc smart home diy rs232 serial com controlled relay board db9 uart at command switch module

0

0

-4%

Usr-tcp232-410s serial server rs232/485 to ethernet bidirectional modbus rtu

1

1

-0.8%

New adm-4108r modbus rtu 485 relay module 8-way relay extended plc control

1

0

-3%

16ch dc 12v rs-485 modbus rtu relay board rs485 bus remote control switch for led motor plc ptz camera smart home

1

1