Gold Member Since 2015
Audited Supplier
Beijing Tengcontrol Technology Co., Ltd.

Isolation Converter, Photoelectric Isolation Converter, RS485 Converter manufacturer / supplier in China, offering Tengcon Ec7520 Active Photoelectric Isolation Converter, Tengcon T-902 24channel Relay PLC Controller, Two Input Two Output Isolator Tengcon Tg6044 and so on.

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Supplier Homepage Product Industrial Communication(Converter) Tengcon Ec7520 Active Photoelectric Isolation Converter

Tengcon Ec7520 Active Photoelectric Isolation Converter

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Beijing, China
Production Capacity: 10000 PCS/Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: EC7520
  • Transmission Medium: Twisted-Pair or Shielded Wire
  • Lightning Protection: With Lightning Protection
  • Condition: New
  • Input Power Supply: DC9-36V
  • Warranty: 3 Years
  • Transmission Distance: 0-5km
  • Trademark: TENGCONTROL
  • Origin: Beijing China
  • Type: Converter
  • Standard: Standard
  • Certification: ISO, CE
  • Model Number: Ec7520
  • Key Words: Active Photoelectric Isolation Converter
  • Size: 115mmx72mmx25mm
  • Working Temp: -25~75
  • Transport Package: Cartons Packed, Inner Box, Outer Export Carton
Product Description

Tengcon Ec7520 Active Photoelectric Isolation Converter
Product Description

Introduction of  rs232 Rs485 Converter     


Interface feature:

Port  compatible with EIA / TIA RS-232C, RS-485/RS-422 standard

Electrical Interface:

RS-232C interface DB9 hole connector, RS-422/RS-485 interface  four terminals,power interface two terminals

Transmission media:

Twisted pair or shielded wire

Working mode:

Asynchronous half-duplex or full-duplex asynchronous

Signal indication:

Three signal lights indicate TXD, RXD, and POWER


Isolation voltage 1500VRMS, 2000VDC continuous

Transfer rate: 

115.2K BPS to 300M; 38.4K BPS to 2.4KM; 9600 BPS to 5KM

Degree of protection:

RS-232 interface +15 KV ESD protection, RS-422/RS-485 interface each 600W lightning surge protection

Transmission distance:

0-5 km  (115200-300BPS)

Operating environment:

-25 ° C to 70 ° C, relative humidity: 5% to 95% 



Supply voltage:



Surface or DIN rail

Ingress Protection:



Application & Certification

Tengcon Ec7520 Active Photoelectric Isolation Converter
Tengcon Ec7520 Active Photoelectric Isolation Converter

Company Information


Beijing Tengcontrol Technology Limited Company


Rely on the computing hardware, software and network technique, Tengcon Technology devoted to manufacture industrial automation core products and systems. More than 30 per cent staffs are in Research & Development, so we gets strong ability on product R&D. Tengcon Technology has deep and wide experience on various signal acquisition, especially on electric signal acquisition, so that, our products are very robust on anti-interference and lightning protection.


Tengcon Technology advanced a Complete Distributed Network control system, in that the control system is constructed via absolutely new theory. It can be applied to construct the SCADA (Supervisory Control and Data Acquisition), PLC (Programmable Controller) and DCS (Distributed Control System).


We have manufactured more than 100 thousands products in 10 years, and all are used in various industrial plants and agricultural farms. With customer's continuous testing and our technology improving, Tengcon Technology product are widely accepted by various users for its excellent network communication, architecture, anti-interference ability and wide temperature adaptation.




Our Services


  1.Any inquiries will be replied within 24 hours.


  2.OEM/ODM available.


  3. Three years Quality warranty.


  4.Cooperation with DHL, TNT, UPS,FEDEX.EMS.China Air Post.


  5.We accept TT Bank transfer ESCROW, West Union  etc

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