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Industrial grade RS422/485 optoelectronic isolation repeater OX-321D
Industrial grade RS422/485 optoelectronic isolation repeater OX-321D
Industrial grade RS422/485 optoelectronic isolation repeater OX-321D
Industrial grade RS422/485 optoelectronic isolation repeater OX-321D
Industrial grade RS422/485 optoelectronic isolation repeater OX-321D

Industrial grade RS422/485 optoelectronic isolation repeater OX-321D

? Compatible with RS-485, RS-422TIA/EIA standards ? Two end interfaces capable of connecting 128 RS-485 or RS-422 interface devices ? Communication distance: 5000 meters (9600bps) ? Power and data flow indicator lights, capable of detecting fault points ? Optoelectronic isolation enhanced type (isolation voltage of 2.5KVrms/500VDC insulation), dedicated DC/DC module, RS-485/422 at both ends provide 600W lightning protection, surge protection, ± 15KV ESD protection per line and prevent common ground interference ? Operating environment: -40 ℃ to 85 ℃, relative humidity of 5% to 95%

OX-321D optoelectronic isolation repeater, compatible with RS-422 and RS-485 standards, can extend the communication distance of RS-422/RS-485 bus network, increase the number of RS-422/RS-485 network devices, built-in optoelectronic isolator and DC/DC isolation module, can provide up to 2500Vrms isolation voltage, and the interface is equipped with fast transient voltage suppression protectors at both ends. This protector is designed to protect the RS-422/RS-485 interface and uses the advanced TVS (Transient Voltage Suppressor) transient voltage suppressor. Under normal circumstances, the TVS tube is in a high impedance state. When the TVS tube is subjected to instantaneous high-energy impact at both ends, it can reduce its impedance at a very high speed and absorb a large current. Thereby clamping the voltage at both ends to a predetermined value, protecting the subsequent circuit components from damage caused by transient high voltage surges. This protector can effectively suppress lightning and ESD, providing 600W lightning surge protection power per line, as well as surge voltage and transient overvoltage generated on the line due to various reasons. The extremely small inter electrode capacitance ensures high-speed transmission of RS-422/RS-485 interface. The RS-422 and RS-485 input terminals are connected through terminal connectors. The RS-422 and RS-485 output terminals are connected through terminal connectors. The converter has zero delay automatic transmission and reception conversion inside, and a unique I/O circuit automatically controls the direction of data flow without any handshake signals (such as RTS, DTR, etc.). It does not require jumper settings to achieve full duplex (RS-422) and half duplex (RS-485) mode conversion, and is plug and play.
The OX-321D optoelectronic isolation interface converter can provide reliable connections for point-to-point and point to multipoint communication. Each relay can connect 128 RS-422 or RS-485 interface devices from point to multipoint, with a data communication rate of 300-115.2KBPS. It is equipped with power indicator lights and data flow indicator lights to indicate fault conditions.


Product characteristics

Compatible with RS-485, RS-422TIA/EIA standards

Automatically send/receive data without the need for external traffic control signals (RTS)
Can extend the communication distance of the RS-485/RS-422 bus network, greatly improving the reliability of the entire RS-485/422 network
Communication speed: 300bps-115.2Kbps
The two end interface can connect 128 RS-485 or RS-422 interface devices
Communication distance: 5000 meters (9600bps)
Working power supply: 9-30VDC/350mA
Power and data flow indicator lights, capable of detecting fault points
Working mode: Asynchronous half duplex (RS-485) or asynchronous full duplex (RS-422) universal, no need for jumper setting, optical isolation enhanced type (isolation voltage 2.5KVrms/500VDC insulation), dedicated DC/DC module, RS-485/422 at both ends provide 600W lightning protection, surge protection, ± 15KV ESD protection for each line, and prevent common ground interference
Electrical interface: Double ten terminal block
Transmission medium: twisted pair or shielded wire
Dimensions: 120mm × 80mm × 25mm
Operating environment: -40 ℃ to 85 ℃, relative humidity of 5% to 95%
Suitable for all communication software used, plug and play
Supports all operating systems

Connectors and signals


Application Domain Diagram

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Contact Us

National Customer Service Hotline: 0755-86250467
Technical service QQ: 1071033405
WeChat ID: ox_System
Service email: admin@ox-system.com
Company address
Shenzhen: Jiangshi Building, Xintian Avenue, Fuyong Town, Bao'an District, Shenzhen
Wuhan: Building B, Guanggu Times Square, Guanggu Entrepreneurship Street, Guanshan Avenue, Hongshan District, Wuhan City
Chengdu: Unit 1, Building 23, Swan Lake Garden, Wuhou District, Chengdu City, Sichuan Province
Beijing: 4th Floor, Building 3, No. 33 Zique Road, Haidian District, Beijing

Copyright: Shenzhen Ouxintong Information Technology Co., Ltd. 粵ICP備15051407號

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