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R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
New Products [more]
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 24V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 24V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 3.3V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
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R4D5E32 24V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
US$27.99
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
US$25.99
R4HUB08 1xRS485 to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$21.99
ET69C02 1xNetwork to 1xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$16.99
ETHUB18 1xNetwork to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$33.99
N438B08 8CH DC 12V RS485 Relay PC UART Serial Port Switch RTU 03 06 16 Function Code DIN Shell Switch Board
US$22.99
N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
US$4.99
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$23.99
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$22.99
N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$22.99
N4D8C1224V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$23.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
US$13.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$27.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$25.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$25.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$27.99
N4ROA01 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROB02 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROB02 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$12.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$13.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.99
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$13.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$19.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$17.99
R4D3C32 24V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
R4D3C32 12V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
N4DOK32 12V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
N4DOK32 24V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
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