10 Best Rs485 Four In The Us - Black Friday 2024
Best Choice1
StarTech.com12% OffStarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I)
Main highlights- WIDELY COMPATIBLE: To connect industrial grade equipment to any terminal, the USB to multiple DB9 male serial converter supports current and legacy Windows, Linux, macOS, as well as embedded platforms
- RUGGED & RELIABLE: This industrial metal USB to serial adapter hub adds 4 RS-232/422/485 ports & 1 USB 2.0 port w/ 15kV ESD surge protection (level 4), IP30 rating & locking connectors on all ports
- MOUNTING OPTIONS: This metal mountable 4-port serial hub w/ 6ft (1.8 m) screw-lock USB cable incl. installs securely to a desk, wall or DIN rail using the built-in mounting ears & incl. DIN brackets
- FLEXIBLE POWER: This serial hub can be powered with either the 12V screw-locking power adapter or the 5V USB input, while each serial port (pin 9) can be set to 5V, 12V (power adapter required), or 0V
- 4 SERIAL PORTS: The ports on this USB to serial converter can be individually configured to RS232, RS422 or RS485 (2wire/4wire) at baud rates up to 921.6Kbps for devices like barcode scanners/printers
9.8Exceptional
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Value for Money2
YanzeoYanzeo SR691 UHF RFID Reader 9m Long Distance Outdoor IP67 9dbi Antenna USB RS485 Wiegand26/34 UHF Integrated Reader
Main highlights- Top Quality. Our products are manufactured in an ISO-9001 quality certified factory. All parts are extensively tested by quality control experts to ensure high quality.
- Install debug video link:https://youtu.be/QpvWRLQnqlg
- Downloading SDK link:www.yanzeo.com/download Professional technical support team, visit Yanzeo, we will provide you with more services.
- Downloading SDK link:www.yanzeo.com/download
- 9M Long Range，9dbi Antenna USB/RS485/Wiegand
9.7Exceptional
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3
LINOVISIONLINOVISION 4 Ports RS485 to Ethernet Converter, RS485 Ethernet Modbus Gateway, Modbus RTU/TCP Conversion, Edge Computing, 4-Port Serial Device Server, RS485 to TCP/IP Convertor, Processor Upgraded
Main highlights- PROTECT DATA SECURITY - support SSL/TLS encryption, preventing data leakage and unauthorized access during transmission. Suitable for industries with high security requirements
- POWERFUL PROCESSOR - Upgraded to Cortex-M7 processor, with the speed of 400MHz providing more efficient and reliable performance
- MODBUS GATEWAY - Modbus RTU/TCP conversion, allowing Modbus signals to be transparently transmitted between different devices and networks. Supports multi-host polling for up to 16 hosts
- INDUSTRIAL-GRADE DESIGN - Wall and rail mountable, IP30 protection, wide operating temperature from -40°F to 185°F
- FREE CLOUD SUBSCRIPTION - Free subscription to Linovision AIoT RemoteMonit Cloud for the first year
- FOUR RS485 TO ETHERNET - Integrate your existing multiple RS485 devices with Ethernet for remote monitoring and control, overcoming distance limitations
- EDGE COMPUTING - Integrates and processes data from multiple serial devices locally, sending it to servers in a custom JSON format to reduce server load and enhance overall network reliability
9.5Excellent
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4
waveshareWaveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independent Operation, Rail-Mount Industrial Isolated Serial Module, Modbus Gateway, PoE Ethernet Port
Main highlights- Wall-mount and rail-mount case design, easy to install, for quick deployment and expansion
- Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc.
- Adopts screw terminal for stable power input
- 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission
9.4Excellent
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5
waveshareRail-Mount Industrial Isolated Serial Module 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter, 4-CH Independent RS485, Support Modbus Gateway/MQTT/JSON, Bi-Directional Transparent Transmission
Main highlights- This is a multi-functional device data acquisitor / IoT gateway with 4-ch RS485 and an Ethernet port, small in size, easy to install, and cost-effective. Bi-directional transparent data transmission between 4-Ch RS485 and Ethernet.
- Onboard power supply and signal isolation, it can provide stable isolation voltage with high reliability and strong anti-interference. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightningproof & ESD protection.
- Multi hosts roll-polling Support---Different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices.
- Multi configuration methods---Supports Web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address.
- Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc. Suitable for Modbus networking upgrade, can be used with specific configuration software.
- Built-in resettable fuse and protection diode to ensure stable output of current and voltage, prevents over-current and over-voltage proof, improve shock proof performance
- 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission.
9.1Excellent
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6
PUSRPUSR 4 Ports RS485 to Ethernet Converter MQTT Modbus Gateway Networking Serial Port Communication Server USR-N540
Main highlights- Secure Client work mode: TCPS, HTTPS, MQTTS
- SSL/TLS Encryption in TCP client, HTTP Client and MQTT modes
- Redundant Power Supply
- MQTT protocol for AWS/OneNET/ Alibaba IoT Platform
- High Reliability and Stability:EFT-IEC61000-4-4 Level 3(±2KV),Built-in hardware watchdog,ESD-IEC61000-4-2 Level 4
9.0Excellent
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7
Wonrabai4-Ch RS485 to RJ45 Ethernet Serial Server with PoE Function, 4 Channels RS485 Independent Operation, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Main highlights- Support PoE Ethernet port power supply*, Suitable for IEEE 802.3af PoE standard. Support Screw Terminal for Power Supply, DC 6~45V Wide Voltage Range Input .
- Multi communication modes: supports TCP server / TCP client / UDP multicast / UDP mode
- Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc. Modbus gateway support: suitable for Modbus networking upgrade, Can Be Used With specific Configuration Software.
- 4-ch RS485 can work independently without affecting each other at the same time, enabling more effective data transmission
- 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independent Operation, Bi-directional transparent data transmission between 4-Ch RS485 and Ethernet.
8.7Very Good
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8
BUELECBUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset
Main highlights- BUELEC USB Converter Support Windows,Linux,MAC,Android,Windows CE
- BUELEC USB Converter Power supply instructions,sending instructions,receiving instrutions
- BUELEC USB Converter Output interface Standard TTL, RS-232(Full-duplex),RS-485(Half-duplex),RS-422(Full-duplex)
- BUELEC USB Converter Isolation voltage Using ADI high performance magnetic decoupling isolation program
- BUELEC USB Converter Baud rate TTL(110~5Mbps),RS-232(110~1Mbps),RS-485/422(300~8Mbps),
Using ADI high performance magnetic decoupling isolation program
8.6Very Good
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9
COMMFRONTCOMMFRONT Industrial Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub/Splitter, 2500V Optical Isolation, 600W Surge Protection, 15kV ESD Static Protection
Main highlights- Supports multi-drop 4-wire RS-485/RS-422 networks for up to 512 [4x 128] nodes
- Rugged industrial-grade opto-isolated 3-wire RS-232 and 4-wire RS-485/RS-422 hub / splitter
- Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC)
- 300 to 115.2K Baud operation (auto-sensing & self-adjusting)
- 2500V optical isolation, built-in 600W surge protection, 15kV static protection, and circuit protection
8.5Good
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10
XYGStudyDual ETH Quad RS485 Base Board (B) for Raspberry Pi Compute Module 4 Gigabit Ethernet 4CH Isolated RS485 USB2.0 with Protection Case @XYGStudy (CM4-ETH-RS485-BOX-B)
Main highlights- standard CM4 socket and suitable for all variants of Compute Module 4
- Various Interfaces Including: Dual ETH / RS485 / CSI / FAN / HDMI / Micro SD / USB
- Suitable For Raspberry Pi Applications Requiring Multi-Channel RS485 Communication Or Other Industrial Context
- Part Number: CM4-ETH-RS485-BOX-B
- Dual ETH Quad RS485 Base Board (B) for Raspberry Pi Compute Module 4 with protection cover case, Gigabit Ethernet, 4CH Isolated RS485, USB2.0
8.4Good
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