Rs232 To Rs485
Les 10 meilleurs produits en décembre 2025
Dernière mise à jour :
14 décembre 2025
Waveshare
Waveshare USB to RS232/485 Serial Converter, Onboard Original FT232RNL Chip, Features More Stable Transmission, Suitable for Multiple Devices, Compatible with Mac/Linux/Android/Win11/10/8.1/8/7, etc
98
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#1 GAGNANT
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Adopts the original FT232RNL chip to provide better stability, reliability and compatibility. ABS case, compact size, portable and easy to use
Support USB to RS232 communication or USB to RS485 communication. On-board RS232/485 communication switching circuit, users can switch the communication type by toggle switch
On-board TVS (Transient Voltage Suppressor) can effectively suppress surge voltage and transient spike voltage in the circuit, anti-static
On-board self-recovery fuses and protection diodes ensure stable output of current and voltage, prevent overcurrent and overvoltage, and improve shock resistance
Supports flexible switching, onboard 120R terminal resistor on the RS485 interface, enabled/disabled via toggle switch. With 3 LED indicators, more convenient to check the power supply and signal transmitting and receiving status
19,99 € SUR AMAZON
Waveshare
Convertisseur RS232/485/422 vers RJ45 Ethernet, TCP/IP vers Série, Modbus Gateway, Serveur Série Industriel Isolé RS232/485/422 avec POE Fonction, Modes de Communication Multiples
98
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Amazon.fr
#2
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RS232/485/422 to RJ45 Ethernet Module with POE function, onboard RS232 / 485 / 422 three different interfaces, bi-directional transparent data transmission between RS232/485/422 and Ethernet, suitable for more application scenarios
Industrial isolated rail-mount RS232/485/422 serial server, support PoE Ethernet port power supply, suitable for IEEE 802.3af PoE standard, support screw terminal and DC power port for power supply, DC 6~36V wide voltage range input
Support Modbus Gateway, suitable for Modbus networking upgrade, can be used with specific configuration software
Supports TCP Server / TCP Client / UDP Mode / UDP Multicast multi communication modes, MQTT/JSON to Modbus, more flexible conversion between different protocols
Support Multi Hosts Roll-Polling, User-Defined Heartbeat/Registration Packet, NTP Protocol Support, Multi Configuration Methods
35,99 € SUR AMAZON
CQRobot
CQRobot Passive RS232 to RS485 Converter Adapter, Bi-Direction Transmission, Zero Delay, 600W Surge Voltage and 15KV ESD Protection, 115200bps Transfer Rate. for Industrial Serial Communication.
95
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#3
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Commercial Grade Bi-Direction RS232 to RS485 Converter used in Industrial Long-haul Communication, up to 4000ft/ 1.2 km.
Enabling the connections of multiple bus nodes, 32 devices can join the RS485 network.
Automatic RX - TX Control. Converter controls the “Receive” and “Transmit” modes automatically.
Up to 115.2kbps baud rate (auto-detect) can be applied to point to point two wire half duplex and point to multi-point two wire half duplex communication.
A built-in Transient Voltage Suppressor (TVS) supports 600W anti-surge and 15KV static protection which effectively guard devices from damage.
11,99 € SUR AMAZON
Waveshare
Waveshare RS232 to RS485 Converter (D Type - with LED Indicators), Active Digital Isolator, Rail-Mount Support, 600W Lightningproof & Anti-Surge, Multi-Isolation Protection
92
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#4
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compatible with RS232/RS485 standard, converting the RS232 signal into balanced differential RS485 signal. Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective
Stable transmission at the rate of 300~115200bps. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal
Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provide over-current/over-voltage protection, improve shock proof performance
17,99 € SUR AMAZON
Waveshare
Waveshare RS232 To RS485/422 Active Digital Isolated Converter Onboard Original SP3232EEN&SP485EEN Chip RS232 DB9 Male Port for Industrial Control Equipment&High Communication Requirement Application
83
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#5
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RS232 DB9 male port. Onboard SP3232EEN and SP485EEN chips. Fast communication, stable and reliable, better compatibility. Stable transmission at the rate of 300~921600bps
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
Onboard 15KV ESD isolation protection and 600W lightningproof & anti-surge protection. Onboard 120R terminal resistor on the RS485/RS422 interface, disable by default, configurable by jumper. Onboard power supply screw terminal, allows 5V~36V DC wide range input
3 LEDs for indicating the power and transceiver status. Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective
20,99 € SUR AMAZON
Waveshare
Waveshare RS232 To RS485/422 Active Digital Isolated Converter, Onboard SP3232EEN&SP485EEN Chip, RS232 DB9 Female Port, for Industrial Control Equipment&High Communication Requirement Application
82
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#6
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RS232 DB9 female port. Onboard SP3232EEN and SP485EEN chips. Fast communication, stable and reliable, better compatibility. Stable transmission at the rate of 300~921600bps
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
Onboard 15KV ESD isolation protection and 600W lightningproof & anti-surge protection. Onboard 120R terminal resistor on the RS485/RS422 interface, disable by default, configurable by jumper. Onboard power supply screw terminal, allows 5V~36V DC wide range input
3 LEDs for indicating the power and transceiver status. Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective
20,99 € SUR AMAZON
pzsmocn
pzsmocn RS232 vers RS485 Bidirectionnel Passif Adaptateur Série, Alimentation de Port,Protection Contre Les Surtensions 600W et Protection Electrostatique 15KV,Compatible avec la Norme RS-232C RS485.
80
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#7
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Convertisseur passif bidirectionnel RS232 vers RS485 de qualité industrielle pour la communication longue distance entre les appareils industriels (commerciaux).
Le circuit d'E/S contrôle automatiquement le flux de données, éliminant le besoin d'un signal de prise de contact, garantissant que le programme écrit en mode semi-duplex RS232 peut fonctionner en mode RS485 sans modification.
Le suppresseur de tension transitoire (TVS) intégré prend en charge une protection contre les surtensions de 600 W et une protection statique de 15 KV, protégeant efficacement les appareils contre les dommages.
Aucune alimentation externe n'est requise, il utilise une "pompe de charge RS232" pour faire fonctionner le convertisseur et il peut être alimenté sans initialiser le port série 232.
Convient pour le système de contrôle d'accès, l'équipement de surveillance, l'équipement terminal, le contrôle industriel, l'acquisition d'instruments numériques, le microcontrôleur, etc.
10,99 € SUR AMAZON
Waveshare
Waveshare RS232/485/422 to RJ45 Ethernet Module, TCP/IP to Serial, with POE Function, Bi-Directional Transparent Transmission, Suitable for Data Acquisition, Intelligent Instrument Monitoring, etc
78
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#8
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An RS232/485/422 device data acquisitor/IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc
The module features RS232/485/422 and Ethernet port with PoE function, uses DC port (outer diameter: 5.5mm, inner diameter: 21mm) and screw terminals for power input. The case with rail-mount support, small in size, easy to install, cost-effective
Support PoE Ethernet power supply, applicable to IEEE 802.3af PoE standard. Support power supply of terminal block and DC 5.5 power interface, DC 6~36V wide voltage range input. It is suitable for the network upgrade of Modbus and can cooperate with 3D force control modal components
Support multiple communication modes. Support TCP server/TCP client/UDP mode/UDP multicast. MQTT/JSON to Modbus. More flexible conversion of multiple protocols. Support multi Hosts Roll-Polling. Different Network devices will be identified and responded respectively, No more Crosstalk issue while communicating with multi Network devices
User-Defined Heartbeat/Registration Packet. Easy for Cloud Communication and Device Identification. Support NTP Protocol. Getting Network Time Info for serial output or data Upload. Suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring
36,49 € SUR AMAZON
Waveshare
Waveshare USB to RS232/485/TTL Interface Converter Power and ADI magnetical Industrial Isolation
74
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#9
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Adopt original FT232RL, fast communicating, stable and reliable, better compatibility Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch
Aluminium alloy enclosure with sand blasting and anodic oxidation, CNC process opening, solid and durable 3 LEDs for indicating the power and transceiver status
32,99 € SUR AMAZON
KALEA-INFORMATIQUE
KALEA-INFORMATIQUE. Convertisseur Passif RS-232 vers RS-485. Prise RS232 DB9 et bornier RS485
67
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Amazon.fr
#10
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Permet de relier un appareil en RS485 (fil à fil) sur un port RS232 (DB9).
Interface compatible avec les standards EIA/TIA RS-232C et RS-485.
Coté RS-232 : connecteur de type DB9 Femelle. Coté RS-485 : bornier pour connexion A, B, V- et V+.
Fonctionne en mode Asynchronous Half Duplex Vitesse de transfert de 300 à 384000 bps.
Distance de transmission maximale 1200m (RS-485) et 5m (RS-232).
12,90 € SUR AMAZON
#1 GAGNANT
