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

Protocol Converter, Serial Converter, Isolation Converter manufacturer / supplier in China, offering Photoelectric Isolator Tengcon Ec7520 RS232-485/422 Protocol Converter, Tengcon PLC (T-960), Stc-1 (8AI 8DI 8DO) Modbus RTU Remote I/O Module and so on.

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Supplier Homepage Product Industrial Communication(Converter) Photoelectric Isolator Tengcon Ec7520 RS232-485/422 Protocol Converter

Photoelectric Isolator Tengcon Ec7520 RS232-485/422 Protocol Converter

FOB Price: US $40 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $40/ Piece
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Production Capacity: 10000 PCS/Year
Transport Package: Cartons Packed, Inner Box, Outer Export Carton
Payment Terms: L/C, T/T, Paypal, Western Union

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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
  • Type: Converter
  • Standard: Standard
  • Certification: ISO, CE
  • Model Number: Ec7520
  • Key Words: Active Photoelectric Isolation Converter
  • Size: 115mmx72mmx25mm
  • Working Temp: -25~75
  • Origin: Beijing China
Product Description
Photoelectric Isolator Tengcon EC7520 RS232-485/422 Protocol 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

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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