RS232 to RS422/485 Isolated Converter (ATC-105)

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Product Overview

Description

Product Description:

      ATC-105 Isolation Interface Converter is compatible with RS-232C, RS-422, RS-485 standards and capable of converting single end RS-232 signal into RS-422 or RS-485 signal of balanced signal. The built in photoelectric isolator can offer 3500V isolation voltage and the rapid Transient Voltage Suppressor (TVS) can effectively inhibit lightning and ESD, prevent lightning strike and common code interference. Connect PC, IPC, or portable computer via a DB9 female connector at RS-232 interface, and connect RS-422, RS-485 end via convenient 4-bit terminal. The RS-485 supports dual-line half duplex, namely, the only two lines of RS-485 shall both send and receive data. Handshake signal (e.g. RTS, Request To Send) usually controls the data direction. The inner circuit of ATC-105 Photoelectric Isolation Interface Converter can detect data direction and switch to control it automatically, conveniently to form a RS-485 network without any shake hand signal. This kind of RS-485 control is fully transparent and need no software amendment for the former working modes basing on RS-232.

      ATC-105 Photoelectric Isolation Interface Converter can provide credible connection for point to point, point to multi-point communication. The point to multi-point allows connecting 32 RS-422 or RS-485 interface devices with data transmission speed of 0-115.2KBPS. The dual color data flow indication light can indicate malfunction. It supports communication modes including RS-232C to RS-422, RS-232 to RS-485 conversion.

Product Features:

1) Photoelectric Isolation Interface Converter
2) RS-232 to RS-422/485
3) Interface is compatible with EIA/TIA RS-232C, RS-422/485 standard
4) Electric interface: RS-232C interface DB9 hole connector RS-422/485 interface
4-bit terminal
5) Transmission media: twisted-pair cable or shielded cable
6) Working mode: asynchronous half or full duplex
7) Signal indication: three signal indication lights indicate TD, RD and PWR
8) Power supply: serial port electricity stealing at RS-232 end, external power
supply connecting at RS-422/485 end
9) Isolation: isolation voltage 3500VRMS 500V DC sequence special built-in
400W lightning protection IC
10) Transmission speed: 115.2Kbps to 1.2km 38.4Kbps to 2.4km
11) The product has a few appearance and high efficiency serial port
electricity stealing technology patents
12) Patent certificate no.: ZL03234984.X ZL0334377.2
Application fields:
a) Point to point, point to multi-point communication
b) Industrial distribution system, industrial control automation
c) Road traffic control automation
d) Closed circuit monitoring
e) Security protection system
f) Intelligent card, check on work attendance gate safety system

Specifications:

2.1 Interface feature: interface is compatible with EIA/TIA RS-232C, RS- 485/RS-422 standard

2.2 Electric interface: RS-232C interface DB9 Female connector

                RS-422/RS-485 interface 4-bit terminal

2.3 Transmission media: twisted-pair cable or shielded cable

2.4 operation mode: asynchronous half or full duplex

2.5 Signal indication: 3 signal indication lights indicate TD, RD and PWR

2.6 Isolation: isolation voltage 3500VRMS 500VDC sequence

2.7 Transmission speed: 115.2K BPS to 300M

                                    38.4K BPS to 2.4KM

                                    9600 BPS to 5KM

2.8 Protecting grade: RS-232 interface+15KV ESD protection,

RS-422, RS-485 interface 600W lightning strike and surge

protection on each line

2.9 Transmission distance: 0-5 kilometers (115200-9600BPS)

2.10 Size: 85mmx54mmx25mm

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

Application Diagram:

Application Diagram of ATC-105.jpg

Application Diagram of ATC-105-1.jpg

Certification:

ATC-105.jpg

ATC-105 FCC.jpg

Package Content:

ATC-105.jpg

 

0.0072 s.