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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
Current Voltage ADC Collector
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top saler
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
US$22.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
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
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
US$24.99
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
New Products [more]
DD03AJTA 30W DC 3V 3.3V 3.7V to 5V 6V 7.5V 9V 10V 12V 14.8V 24V Step-Up Boost Converter Board For 18650 Lithium Battery
US$3.99
DDUPCRUA 20W QC3.0 2.0 FCP Fast Quick Charger 3.7V 3.8V 4.2V 4.5V To 5V 9V 12V USB DC-DC Boost Module Smart Phone PAD Charging
US$3.99
LC55B01 30A High Power AC DC 12V Fish tank Aquarium Automatic Water Supply Controller Water Level Sensor Solenoid Valve Water Pump Mot
US$5.99
IO52B02 32CH DI PNP Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
US$16.99
PS23A04 5V 12V 24V 4CH Multifunction Voltage Control Relay lithium Lead-acid Battery Charge And Discharge Protector
US$22.99
UD67A01 3 In 1 USB To RS232 TTL232 Pro Mini Download Cable Serial Ports CH340 Converter Board Industrial Grade IC SP232
US$2.59
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UART 485/232/TTL
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N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
R413E16 + TB440 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$17.99
ETAIC04 12V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$19.99
ETVOD08 12V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETAIC04 12V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$21.99
ETAIC04 24V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$21.99
ETAIC04 24V 4CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$19.99
ETVOD08 12V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETVOD08 24V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 24V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETVOD08 254V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 12V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETVOD08 12V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
ETVOD08 254V 8CH PNP DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$35.99
ETIOE16 12V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$45.99
ETIOE16 12V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$47.99
ETIOE16 24V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$45.99
ETIOE16 24V 16CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$47.99
Din Rail case hold for PCB SIZE 72*100
US$3.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN408F 12V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$19.99
RYN408F 12V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$21.99
RYN408F 24V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$21.99
RYN408F 24V 8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$19.99
N4DOJ24 24V 24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board
US$39.99
N4DOJ24 12V 24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board
US$39.99
N4I6N06 24V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$19.99
N4I6N06 12V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$19.99
N4I6N06 12V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$19.99
N4I6N06 24V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$21.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$11.99
CE035 DC 5V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$11.99
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