4CH Modbus Relay Module 4 Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller MCU for Digital Detect Power Control

-3%

2-way relay module output 2 channel switch input ttl/rs485 interface communication modbus-rtu

0

0

4ch modbus relay module rs485 ttl controller 4bit modbus-rtu switch signal input output anti-reverse connection

0

1

Modbus rtu 4 way 12v relay module switch stm8s103 mcu two development rs485 / ttl communication interface 4 channel

1

1

-4%

4ch rs485 relay switch module uart modbus rtu at for ptz plc smart home

0

0

-1%

Modbus rtu 4 channel 12v relay module switch input / output rs485 / ttl communication interface relay 4 relay indicator board

2

1

-3%

Modbus rtu 4 channel 12v relay module switch input / output rs485 / ttl communication interface relay 4 relay indicator board

0

0

-5%

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

3

0

-3%

Modbus-rtu 1 channel 12v relay module switch input / output rs485 / ttl communication interface relay 1 relay indicator board

0

1

-8%

Modbus-rtu 2-way relay module output 2 input channel switch ttl / rs485 communication interface

0

0

-3%

Dc 12v 8 channel rs485/ttl relay module modbus rtu uart remote control switch din35 c45 rail box for plc ptz camera security

1

0

Modbus rtu 7-24v/ac 220v 4 channel relay module switch rs485/ttl uart communication interface anti-reverse connection 8-bit mcu

1

2

-14%

Modbus rtu 2-way relay module channel switch ttl/ rs485 communication interface relay 2 relay indicator 12v output 2 input dc

1

1

1.0

-2%

Dc 12v relay module 16 channel modbus rtu rs485 relay board plc controller serial port switch shield for arduino

0

0

-15%

Rs485/ttl 1 input/output of modbus rtu 7-24v relay module protected against reverse connection

0

0

-5%

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

1

3

5.0

-15%

Modbus rtu relay module switch input & output rs485/ttl communication modbus controlled modbus relay anti-reverse protection

1

5

5.0

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

1

1

Modbus rtu 1/2 channel 5v relay module input / output rs485 / ttl communication interface relay 1 2 way relays indicator board

1

7

5.0

-4%

Dc 12v relay module 16 channel modbus rtu rs485 relay board plc controller serial port switch with din35 rail box for arduino

2

0

-4%

8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

0

1

Incomplete data

8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

0

1

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

0

1

-6%

1 pcs 8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

0

0

Incomplete data

Dc 12v din35 c45 rail box 16 channel rs485 relay module modbus rtu uart control switch board for plc ptz camera motor led

0

1

-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%

7-24v modbus rtu 1 channel relay module switch modbus 5v 10a/250v ac dc relay rs485 communication ttl uart interface

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

Modbus-rtu 4 way relay module stm8s103 mcu two rs485 communication ttl

2

0

-2%

Incomplete data

Modbus rtu 8-channel 8ch relay module switch 8-way output 8-way inputs rs485 ttl communication uart 7-30v relay switch

0

2

-0.7%

Diymore modbus rtu 1 channel 12v relay output board module switch input rs485 / ttl communication module

0

0

Xtw1-0095 modbus rtu 2-way relay module output 2 input channel switch ttl/ rs485 communication interface relay 2 relay indicator

1

1

1.0

-4%

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

3

11

5.0

Incomplete data

Dc 12v 24v 8 isolated io din35 c45 rail box uart rs485 mosfet module modbus rtu control switch board for relay plc led ptz

1

1

-15%

Dc 6-24v rs485 rs232 (ttl) rtu control switch board uart plc programmable logic controller relay module support for modbus / at

1

1

-7%

Modbus-rtu 4 way relay module stm8s103 mcu two development rs485 communication ttl

0

1

Dc 12v din35 c45 rail box 16 channel rs485 relay module modbus rtu uart control switch board for plc ptz camera motor led

1

2

5.0

Modbus-rtu 2-way relay module output 2 input channel switch ttl / rs485 communication interface

0

0

-4%

Dc 5v/12v/24v 2 channel rs485 relay modbus rtu plc module

1

1

5.0

-5%

Zlan6002 rs485 modbus rtu i/o module digital input output analog remote control switch remote i/o controller

0

0

-1%

Switch input and output input output 2 way relay output module modbus-rtu rs485 communication

0

0

-7%

Incomplete data

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

1

8

5.0

Incomplete data

Mini dc 12v rs485 delay relay module modbus-rtu uart switch board for cctv camera ptz led security plc

0

0

Dc 6-24v rs485 rs232 ttl rtu control uart control module 8 channel io control relay switch board support plc for arduino

1

1

Incomplete data

Dc 12v rs485 relay module 16 channel modbus rtu protocol remote control plc expansion board circuit board with din rail box

0

3