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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
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top saler
Din Rail case hold for PCB SIZE 72*100
US$3.99
RYR404A with Din Rail Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$17.99
RYR416C Easy Setup 24V 16 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$28.99
ETD8A12 24V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
US$49.99
R4D5E32 24V 32Ch DC 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
R421B16 16 channels DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor
US$25.99
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 12V 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
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 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
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UART 485/232/TTL
RS485 Modues & relays
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N4ROF32 12V Mini DC 12V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$49.99
N4ROF32 Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$49.99
N4ROF32 12V Mini DC 12V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$52.99
N4ROF32 24V Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$52.99
R421C32 32CH DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch For LED Motor PLC PTZ Camera
US$49.99
R421A08 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera
US$21.99
ETD8A12 12V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
US$49.99
ET48A08 DC12V 2 IN 1 8CH Ethernet RS485 Relay Module Modbus Slave RTU TCP/IP UART Network Controller Switch PLC Control Board
US$32.99
R4D6F20 12V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
US$39.99
R4D6F20 24V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
US$39.99
R4D5E32 12V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
R4D5E32 12V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
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
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$29.99
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$27.99
N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$27.99
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
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
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