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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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OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
OPMSD16 PNP Input 3.3-5V NPN Output 16CH DC 3.3-24V 5A MOS Solid State Relay Module Din Rail Mount NPN/PNP PLC IO Signal Amplifier for Motor Relay LED
US$23.99
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
24DIC48 48CH DI NPN Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
US$42.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$9.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$10.99
New Products [more]
DN23E08 12V 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
US$29.99
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
DN23E08 12V 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
US$32.99
DN23E08 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
US$32.99
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
NANO for DN23E08 DN24F08 DN23E08 DN22D08
US$9.99
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IO Isolation Protection Board
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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 24V 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
PDMRC04 DC12V 4CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$9.99
OPMSA04 NPN Input 12-24V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$6.99
OP62A02 10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN
US$2.99
OP71A04 5V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
PDMRD08 24V 8CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$14.99
PDMRC04 DC24V 4CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$10.99
CAROA04 24V NPN 4DI-4DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
US$25.99
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
PDMRB02 DC24V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$6.99
OPMSA04 PNP Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
OP71A04 NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
DNMPB28 DC 24V Multifunction MEGA2560 Pro Expanding Board Current Voltage ADC Collection NPN PNP Isolated DI Relay Mos DO for Arduino
US$27.99
DNMEB50 12V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$33.99
PDMRC04 DC12V 4CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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N4DIH32 32CH PNP Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$14.99
OP71A04 Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
10IOA04 24V 4CH Isolation Digital Switch 4DI-4DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$12.99
R4IOH08 5V 4DI-4DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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OP31C08 In 12V Out5V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
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OP11A01 In 3-8V Out 9-24V NPN PNP Signal Mutual Converter Logic Level Isolator for PLC RS485 Digital IO Module
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PDMRA01 DC12V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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ECD9C16 DC 12V 16 CH EtherCAT Relay Module Industrial Ethernet Bus Fully Isolated Switch Output Board
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OPMSC12 NPN Input 3.3-5V NPN Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
US$17.99
R4IOH08 12V 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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10IOA01 24V 1CH Isolation Digital Switch 1DI-1DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
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OPMSC12 NPN Input 12-24V PNP Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
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R4IOH08 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 12V 2DI-6DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
N4DIM32 32CH NPN Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$16.99
PDMRB02 DC12V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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OP62A02 10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN
US$2.99
OP71A04 3.3V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
23IOA08 8 CH PNP Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$16.99
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OPMSA04 NPN Input 12-24V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
N4D4F64 DC 7-27V 64CH Multifunction Modbus DI-DO Module Isolate Input Darlington Output for PLC Relay HMI IC Tester Industrial Control
US$59.99
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