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433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus Quick View US$14.29 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus (0) 4
with TVS protected DC 12V 8Ch RS485 Relay Module Modbus RTU 03 06 16 Function Code DIN Shell Switch Board Quick View US$26.39 with TVS protected DC 12V 8Ch RS485 Relay Module Modbus RTU 03 06 16 Function Code DIN Shell Switch Board (0) 2
2 IN 1 8CH Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch Module PLC Industrial Control Board Quick View US$24.19 2 IN 1 8CH Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch Module PLC Industrial Control Board (0) 0
DC 24V 1-8Ch Digital Switch DiDo Multifunction RS485 PLC IO Expanding Board Standard Modbus RTU Relay Module Quick View US$8.79 DC 24V 1-8Ch Digital Switch DiDo Multifunction RS485 PLC IO Expanding Board Standard Modbus RTU Relay Module (0) 0
DC 12V 1-8Ch Optically Isolated NPN Input Relay Output DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board Quick View US$9.89 DC 12V 1-8Ch Optically Isolated NPN Input Relay Output DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board (0) 0
8-24V 7 Channel RS485 Voltage Analog Collector Module ADC Modbus RTU 03 06 Function Code Adapter R4AVA07 21% OFF Quick View US$4.64 8-24V 7 Channel RS485 Voltage Analog Collector Module ADC Modbus RTU 03 06 Function Code Adapter R4AVA07 (1) 8
12V 32CH Channel RS485 Relay Modbus RTU Protocol Serial Remote Control Switch PLC Control Board 16% OFF Quick View US$62.37 12V 32CH Channel RS485 Relay Modbus RTU Protocol Serial Remote Control Switch PLC Control Board (2) 227
DC 0-300V 300A Voltmeter PZEM-017 Communication Wireless Module RS485 Modbus Voltage Current Power Energy Detector 29% OFF Quick View US$9.91 DC 0-300V 300A Voltmeter PZEM-017 Communication Wireless Module RS485 Modbus Voltage Current Power Energy Detector (13) 156
PTA9B01 DC 8-25V PT100 Platinum Thermal Resistance to Temperature Converter RS485 Modbus RTU RTD Sensor Module Kit 45% OFF Quick View US$9.43 PTA9B01 DC 8-25V PT100 Platinum Thermal Resistance to Temperature Converter RS485 Modbus RTU RTD Sensor Module Kit (0) 14
N4D8C12 Isolation 12V/24V RS485 Relay Modbus RTU Protocol DIN35 Rail Shell PLC Optional Quick View US$43.76 N4D8C12 Isolation 12V/24V RS485 Relay Modbus RTU Protocol DIN35 Rail Shell PLC Optional (3) 90

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