The Best Rs485 Modem of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Rs485 Modem of 2022. Check our ranking below.
2,988 Reviews Scanned
- 3 IN 1: Serial RS232/RS422/RS485 to fiber media converter, single Mode, dual fiber, SC, 20KM.
- Mini Size: 110mm*104mm*28mm black rugged case, support desktop and wall-mounted.
- Serial Distance: RS-232 port 15m, RS-422, RS-485: 1500 meters.
- Features: Hot-pluggable, 15KV ESD protection, Led Indicators PWR, TX and RX
- What You Get: One pair serial fiber converter, one for TX, one for RX. 2pcs 5V1A USA power adapter, 1pc user manual
- Bi-directional High Speed Serial Data – The serial optic modem has 1ch RS232, 1ch RS485, 2ch high speed RS485, all are bi-directional. Serial data is fully transparent, baud rate is self-adaptive, no setting is required.
- High Speed RS485 RS422 – The serial fiber extender's 2ch RS485H can be grouped into 1ch high speed RS422 which can used for DMX512 communication in stage lighting control.
- Industrial Grade Quality – Use industrial grade components and aluminum housing, it can work at wide range temperature -40°C to 75°C (-40°F to 167°F). You can use it in outdoor harsh environment.
- 12~48V DC Input – The RS232 /RS485 /RS422 fiber media converter support 12~48V DC input. Wide range voltage makes it compatible with more DC power supply system.
- Din-Rail & Wall Mount –The media converter come with 35mm din-rail mounting bracket and wall mount accessory.
- Work Mode: Transparent Mode, HTTPD Client Mode, SMS Mode
- TCP Server/Client,UDP, Modbus RTU to TCP
- RS485/232 to 4G modems
- Hassle-free Protocol, Easy Adaptation It can be directly connected to the existing ModBus system without worrying about the problem of protocol matching
- DI/DO Linkage Function Configurable switch signal acquisition is also used as a trigger condition,driving the DO state to trigger high/low level,without additional control
- High-precision Analog Acquisition It has been "calibrated"before leaving the factory to ensure AD acquisition accuracy.1%. Acquisition Accuracy three rounds of algorithm correction
- Supporting Virtual Serial Port Software.Seamless connection with various configuration software and touch screen
- Switch Input Photoelectric lsolation. Industrial-grade isolation protection to improve equipment reliability
- Conversion between ModBusRTU and ModBusTCP available -Standard protocols such as RTU (RS485) and TCP ModBus transmission protocols make more applications available.
- Good for network heartbeat packets and serial data packets -Heartbeat packet can ensure the reliability of the connection and make the system run stably without downtime.
- Timeout restart function -If the network port has not received data for a long time, it will automatically restart after the set time, effectively avoiding communication anomalies.
- Four working modes: TCP and UDP -Quickly implement data transparent transmission through configuration
- Support MQTT protocol Device supports all loT platforms with standard MQTT protocol Industrial standard design All components 100% tested before shipping
- E90-DTU(433L30)-V8 is a wireless data transceiver of 433M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency: 410~441MHz (Default:433MHz).
- The LoRa direct sequence spread spectrum technology enables the longer communication distance and better power density concentration as well as superior anti-interference ability.
- The FEC algorism enables higher coding efficiency and correction ability. The interfered data packets will be corrected proactively upon sudden interference, which significantly improves reliability and communication distance. Without FEC, the interfered data packet will be dropped.
- The transceivers feature data encryption and compression. The data transmitted in air features randomness, the rigorous algorism makes data interception meaningless.
- The data compression function has possibility to reduce the data transmission time, which in tur reduces the possibility of being interfered, thus improves the reliability and communication efficiency.
- NB114 is a serial port server that realizes serial port data ? Ethernet data conversion. The product has its own RJ45 interface and is installed on a guide rail. With multiple Modbus gateway modes, it can meet the networking functions of various serial devices/PLCs.
- Bi-directional high Speed Serial Data – The Serial Optic Modem have 1ch RS232, 1Ch RS485, 2Ch high Speed RS485, all are Bi-directional. Serial data is fully transparent, baud rate is self-adaptive, no setting is required.
- High Speed RS485 RS422 – The Serial Fiber Extender's 2Ch RS485H can be grouped into 1Ch High Speed RS422 which can used for DMX512 communication in Stage Lighting Control.
- 12~48V DC Input – The RS232 /RS485 /RS422 fiber media converter support 12~48V DC Input. Wide range voltage makes it compatible with more DC power supply system.
- Industrial Grade Quality – Use industrial grade components and aluminum housing, it can work at wide range temperature -40°C to 75°C (-40°F to 167°F). You can use it in outdoor harsh environment.
- Din-Rail & Wall Mount –The media converter come with 35mm Din-rail Clip and Wall mount accessories.
- Communication rate up to 460Kbps
- Optional SC, FC, ST interfaces are available
- Support point-to-point (point-to-multipoint) connection
- Support RS-232, RS-422 and RS-485 asynchronous communication protocols
- Supports 2-wire (half-duplex) and 4-wire (full-duplex) RS-485 operation
- Full aluminium alloy shell. Blue-sky anodic oxidation technology.
- Smart size. Anti-Lightning. Anti-Surge. Anti-static.
- Transparent Transmit. Self-adaption Receiving-Sending control.
- Reliable transmit system. Full OS compatible feature.
- Same using method as RS232 port device.
Last update on 2023-09-14 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of Rs485 Modem has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Rs485 Modem.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Rs485 Modem.
- Product Quality: You don’t always get what you pay for with an Rs485 Modem, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Rs485 Modem is should be an indication of how long it will work out for you.
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FAQ:
Q: What is an IoT wireless RS485 modem?
A: Our new IoT Wireless RS485 modem makes it easy communicate with NCD wireless sensors over RS485 by simply opening a COM port and watching for incoming data to arrive as sensor data is broadcast. We have stripped away complexity and focused on what you need most, an easy way to get wireless data over a RS485 connection.
Q: What is the emulator version of the RS485 modem?
A: The Emulator Version of the RS485 modem is ideal for customers who are already using NCD wireless sensors and wish to adapt existing RS485 messages to follow NCD standards for device communications.
Q: What is GSM rs232/rs485 industrial serial to IP cellular GPRS modem?
A: Introduction of GSM Modem RS232/RS485 Industrial Serial to IP cellular GPRS modem which convert the serial data RS232/485 into IP data and then transfer to data center through GPRS 2.5G mobile network. USR-GPRS232-730 is based on USR-GM3.
Q: How does this wireless to RS485 gateway work?
A: This Wireless to RS485 Gateway was designed for indoor use only. Requires a 12VDC Power Supply (optional during checkout). This device operates at 900MHz and converts raw sensor data into raw RS-485 data. Compatible with Alpha Station https://ncd.io/alpha