Top 4 20ma To Rs485 Reviews

HiLetgo 2pcs ADUM1201 Dual Channel Digital Magnetic Isolator Replace Optocouplers

Lower power consumption than the same data transfer rate when the traditional optical isolator 1/10, the minimum operating current 0.8mA..
Performance higher timing accuracy, transient common mode rejection, the degree of matching between channels are better than the traditional optical isolator..
The smaller the integration, the printed circuit board (PCB) area of 40% of the traditional photoelectric isolator..
Application: RS-232/RS-422/RS-485 transceiver isolation.

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Stepper peristaltic pump 24V small intelligent variable speed high flow lab liquid dosing pump Kamoer DIP 3 rotors 0-452 ml/min BPT tube 4.8 mm ID x 8 mm OD

Voltage: 24V、Current: 2A max、Power: Less than 50W、Flow range: 1~452ml/min、Pump tube: BPT（longer service life time）..
Digital tube shows instant speed and flow rate. Precise control of stepper motor, speed adjustment resolution 0.1 rpm..
Support start/stop, direction change, speed regulation, calibration, reverse suction, etc..
Rich control mode, support rotary encoder, foot switch, external analog (4-20mA and 0-5V), 485 communication (Modbus) control..
Support power-off memory function, which can automatically save the operation parameters when the power was last lost.
support three working modes: full-automatic cycle, semi-automatic cycle and manual.
support running by speed and running by flow..

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DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

USB to RS485/RS422 converter It easily lets you connect RS485 or RS422 device directly to your Laptop PC computer USB port (built with LED....
USB to RS485 cable adapter is Ideal for industrial environment -provides 600w surge protection and 15KV ESD isolated protection on signal pins to....
rs485 serial to usb converter is with high performance quality processor chip (FTDI-chipset FT232) and I/O auto conversion circuitry which makes RS....
1.5 ft serial RS-422 RS-485 to USB adapter cable supports windows 11 10 8 7, Mac and more.
There are no IRQ and COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system.

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DTECH RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge

Commercial Grade Bi-Direction RS232 to RS485 Converter used in Industrial Long-haul Communication up to 4000ft (1200 meters).
Mini RS 232 to 485 serial adapter enables the connections of multiple bus nodes and 32 devices can be joined in RS-485 network.
RS-232 to RS-485 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....
A built-in Transient Voltage Suppressor (TVS) supports 600W anti-surge protection on each line of RS485 link which effectively guard devices from....

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Industrial Serial Rs232 Rs485 Rs422 to Fiber Converter Bidirectional High Speed Optic Modem Sc Single Mode 20km 1310nm Serial over Fiber Converter

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..

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Eversecu Mini PTZ Camera RS485 HD Analog 1080P 4X Zoom(2.8-12mm) 65ft IR Distance Outdoor High Speed Dome Camera IP66 Weatherproof Full Metal Vandalproof PTZ Camera

Make Sure you have a DVR that has an RS485 port and supports 2mp AHD/TVI/CVI Video format, and have a PTZ Controller (ASIN:B08YVQ4XLC) before purhcase otherwise the PTZ Camera might not work, Suggest to buy a PTZ keyboard for this camera, Please search ASIN: B08YVQ4XLC.
【FULL FUNCTION AND 4 IN 1 & RS485 UPDATED】The PTZ Camera Support AHD/TVI/CVI/CVBS 4 in 1 output.The 2.5" dome camera have full function of other camera like Coaxial Cable Control,Remote Pan/Tilt,1080P HD,IR-CUT,16 Preset,Night Vision,4x Optical Zoom,IP66 waterproof.Built With RS485 Cable.
【FULL COVERAGE】Horizontal rotation 355 ° continuous rotation with pan speed 0 °/s-25°/s,Vertical 0-90°with tilt speed 0 °/s-20°/s,Support automatic flip,that make the dome camera full coverage.
【IP66 WATERPROOF AND METAL VANDALPROOF DOME CAMERA】The IP66 waterproof and brown color anti-vandal dome cover support lightning protection and ati surge for bad weather.
【FULL HD】2MP 1080P (1920 x 1080) @ 30 Frames Per Second High Definition: Easily & Clearly Identify Persons, Objects, Text and Small Detail.

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FTDI USB-RS485-WE-1800-BT Cable, USB to RS485 Serial, 1.8M, Wire END

Price For: Each Accessory Type: CABLE, SERIAL CONVERSION For Use With: USB to RS485, SERIAL CONVERSION RoHS Compliant: Yes.
The USB-RS485-WE-1800-BT from FTDI is an USB to UART cable with RS485 level UART signals..
It corporate FTDI's FT232RQ USB to serial UART interface IC which handles all USB signalling and protocols.
The integrated electronics also include RS485 transceiver, Tx and Rx LEDs which give a visual indication of traffic on cable..

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Digi International 70001851 230Kbps Ethernet Device Server

Lantronix 2 Port Serial (rs232/ Rs422/ Rs485) To Ip Ethernet Device Server - Us Domestic 110 Vac - Convert From Rs-232.
Rs-485 To Ethernet Using Serial Over Ip Technology.
One 10/100 Mbps Fast Ethernet Rj-45 Port.

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EVERSECU 2MP Auto-Cruise PTZ Security Camera 20X Optical Zoom HD 4-in-1 TVI/AHD/CVI/CVBS Video Surveillance- Pattern Scan, Waterproof, Night Vision, Coaxial Wired High Speed Dome CCTV Camera

Make Sure you have a DVR that has an RS485 port and supports 2mp AHD/TVI/CVI Video format, and have a PTZ Controller (ASIN:B08YVQ4XLC) before purhcase otherwise the PTZ Camera might not work, Suggest to buy a PTZ keyboard for this camera, Please search ASIN: B08YVQ4XLC【2MP & 263FT IR LIGHT VISION】 1920 X 1080P Super HD, 2 Megapixel 18X Medium Speed AHD PTZ camera, Infrared/IR-Cut Excellent Night Vision up to 263ft. Suitable for large areas like front yard, parking areas, backyard, garage, etc.
【RS485/COAXIAL CONTROL】RS485 (+/-) / coaxial cable connect, real time transmission ,lossless video, Suggest to buy a PTZ keyboard for this camera, Please search ASIN: B08YVQ4XLC.
【MEDIUM SPEED AHD PTZ CAMERA】Pan-tilt-zoom camera with endless 360°pan & 90°tilt & 20x optical zoom, no blind spots left, commercial grade surveillance camer.
【WATERPROOF & WIDE USAGE】 4.5 inch IP66 Waterproof body construction provide stable performance both indoor and outdoor ( Warehouse, Home, Office, Supermarket, Parking, Farm, Villa, Museum).
【TVI/AHD/CVI/CVBS】 Video interface output - AHD/TVI/CVI/CVBS selectable, OSD menu available.
NOTICE: Default Video Signal is 1080P AHD, It can be adjust to TVI, CVI or CVBS (Analog) manually, Compatible with all 1080P or abo....

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2Packs DB9 Serial Adapters No Soldering Needed D-SUB 9-pin RS232 RS485 Adapter to Terminal Connector Signal Module with Bolts Nuts and Screwdriver 1PCS Male+1PCS Female

【No soldering needed】 This is SO convenient， convenient wiring. The shell is designed with folding buckle, It can be disassembled or assembled....
【DIY DB9 cable 】Using 9pin male and female connectors, you can make DB9 cable or USB to RS232 / RS485 cable by yourself. The cable length and....
【Functional features】suitable for all kinds of industrial control products that need serial communication for pin connection, all copper base,....
【Scope of application】D-sub9pin does not need to weld serial port connector, which is suitable for RS232 / RS485 / RS422 serial adapter COM port....
What you get :(1PCS Female +1PCS Male )with case，1PCS Screwdrivers ，4PCS 4#5+7 Serial port Nut ，4PCS 4#62mm Serial port long bolt ，4PCS 3*8mm....

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StarTech.com 1 Port RS-232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (NETRS232), Black

This product do not include user manual, if you need, we will send the pdf file to you.
HF2211 is a low-cost serial device server,which function is to realize bidirectional transparent transmission between RS232/RS485/RS422 and WiFi/Ethernet..
Support RS232/RS422/RS485 to Ethernet/Wi-Fi Conversion, Serial Speed Upto 460800 bps.
MIPS MCU with 4MB Flash and 8MB SRAM. Run on eCos.

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StarTech.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)

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.
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.
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.
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.

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LEFTEK PTZ Camera Outdoor CVI TVI AHD Coax CVBS Analog 4-in-1 2MP Outdoor Security Camera 20X Optical Zoom 60M IR Speed Dome with RS485 Control AC24V

4-in-1 CCTV Security Camera with RS485 - The speed dome camera can output HD over Coax video signals (HD-CVI,HD-TVI,AHD) and CVBS Analog resolution video, which is compatible with Security DVRs, XVRs and Analog DVRs. The PTZ camera can be connected to a PTZ Controller with RS485 Leads..
Integrated 2.0 Megapixel For Sony Image Sensor to provide 1080p Full HD video at 25fps. IP66 Full metal case with removable wall bracket allow it withstand bad weather outdoor and apply for different installation requirement. Powered by AC24V/2A allow arranging the power lead up to 263ft..
Pan Tilt Zoom Security Camera- Heavy duty camera on motorized base can horizontal rotation 360° 0.6°~30°/s, and vertical tilt 90° 4°~17°/s, 180° auto flip. Built-in 4.7~94mm varifocal len provides 20X Optical zoom, allow you zoom into fine details without decreasing video resolution..
Outdoor Infrared PTZ Dome - Equipped with 6pcs powerful IR LED array to get 197ft effective vision range at night. Adopt IR Cut Filter technology to auto switch Day/Night monitor mode, 24H Surveillance..

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