购买 modbus rtu 4-way relay module

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ESP32 Modbus RTU Four-Way Relay Module RS485 Development Board MODBUS Protocol Four-Way Optocoupler
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Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
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4CH DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters With DIN BOX
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Modbus RTU 1 2 4 8 Channel Way Relay Module 5V 12V 24V Switching Switch Input/Output RS485/TTL
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Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
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Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
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Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED
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Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED
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Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL
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Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL
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7-24V Modbus-Rtu 1/2/4 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output
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7-24V Modbus-Rtu 1/2/4 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output
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Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation
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Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation
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4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current
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4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current
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RS485 Modbus RTU ADC Module 4-20MA/0-5V/0-10V 4Ch Current/Voltage Analog Acquisition
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RS485 Modbus RTU ADC Module 4-20MA/0-5V/0-10V 4Ch Current/Voltage Analog Acquisition
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Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
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3X(Modbus Rtu 4 Way Relay Module 7-24V Relay Module Switch Rs485/Ttl
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购买 modbus rtu 4-way relay module

广告
关于我们的广告
$256.06
Contemporary Controls | MR-DO4 | Modbus RTU 4 Digital Relay Outputs With HOA Switch
Blackhawk Supply
$256.06
Contemporary Controls | MR-DO4 | Modbus RTU 4 Digital Relay Outputs With HOA Switch
Blackhawk Supply
$9.41
$10.23
ESP32 Modbus RTU Four-Way Relay Module RS485 Development Board MODBUS Protocol Four-Way Optocoupler
AliExpress
$9.41
$10.23
ESP32 Modbus RTU Four-Way Relay Module RS485 Development Board MODBUS Protocol Four-Way Optocoupler
AliExpress
$74.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
4
Free shipping
$74.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
4
$9.06
$13.52
4CH DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters With DIN BOX
AliExpress
Free shipping
折扣 32%
$9.06
$13.52
4CH DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters With DIN BOX
AliExpress
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$4.19
$8.14
Modbus RTU 1 2 4 8 Channel Way Relay Module 5V 12V 24V Switching Switch Input/Output RS485/TTL
AliExpress
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折扣 48%
$4.19
$8.14
Modbus RTU 1 2 4 8 Channel Way Relay Module 5V 12V 24V Switching Switch Input/Output RS485/TTL
AliExpress
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$6.41
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
AliExpress
$6.41
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
AliExpress
$31.97
$38.99
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED
AliExpress
折扣 18%
$31.97
$38.99
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED
AliExpress
$1.74
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Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL
AliExpress
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折扣 25%
$1.74
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Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL
AliExpress
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$3.08
7-24V Modbus-Rtu 1/2/4 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output
AliExpress
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7-24V Modbus-Rtu 1/2/4 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output
AliExpress
$2.17
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Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation
AliExpress
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Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation
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4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current
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4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current
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RS485 Modbus RTU ADC Module 4-20MA/0-5V/0-10V 4Ch Current/Voltage Analog Acquisition
AliExpress
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RS485 Modbus RTU ADC Module 4-20MA/0-5V/0-10V 4Ch Current/Voltage Analog Acquisition
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Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
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Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
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4 Channel 4-20MA 0-10V Analog Quantity Acquisition Module RS485 Modbus RTU Communication
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6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
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6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
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20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V
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20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V
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DC 24V 1/2/4/8/12CH RS485 IO Module Modbus RTU 10A Relay DO NPN DI Dry Contact Board
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DC 24V 1/2/4/8/12CH RS485 IO Module Modbus RTU 10A Relay DO NPN DI Dry Contact Board
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ABSQ-Modbus 4 Channel Relay Module ESP32 9-24V With Case TYPE-C Interface Supports RS485 WIFI
AliExpress
折扣 28%
$17.40
$24.50
ABSQ-Modbus 4 Channel Relay Module ESP32 9-24V With Case TYPE-C Interface Supports RS485 WIFI
AliExpress