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C14


C14 Pasywny mini konwerter RS232 na RS485

Features

  • Interface feature: RS-232C RS-485 standard interface compatible with EIA TIA

  • Electric interface: RS-232 end DB9 hole connector RS-485 end Terminal with connection pole

  • Passive, anti-static

  • Economical type

  • Working mode: asynchronism half-duplex difference transmission

  • Transmission media: twisted - pair

  • Transmission rate: 300-115.2 KBPS

  • External discharge dimension: 56.3 mm x 33.5 mm x 15.8 mm

  • Working circumstance: - 25 to 70 degrees C, relative humidity 5% to 95%

  • Transmission distance: 1,200 m (RS-485 end) 5 m (RS-232 end)

  • 2 Years Warranty

  • Customization or OEM is Welcomed


Introduction

In order to carry through remote data communication between a computer and peripheral equipment or intelligent instrument with various standards of serial interfaces,
it must make interconversion between standard serial interfaces. Compatible RS-232C/RS-485 standards,
it is able to convert mono-end RS-232 signal to balance difference RS-485 signal and extend the communication distance to 1,2 km.

No external power but adopts a particular RS-232 charge pump to drive the system and gain electricity without initializing the RS-232 series interface.
An internal zero delay auto transceiver and particular I/O circuit automatically control the data Stream direction instead of any handshake signal (for example RTS, DTR, etc.).
Thereby it guarantees the function under RS-485 without changing the program compiled under RS-232 half-duplex mode and assures the adaptation to current operation software and interface hardware.
The transmission rate of 300-115.2kbps is capable of applying between host computers, host computer and is extensions or external equipment and forms dot to dot,
dot to dots remote and multi-communication network,

It implements multi-machine response communication and is commonly used in industrial automation control systems, all-one-card, access control systems,
consumption systems, time and attendance systems, parking systems, self-service banking systems, bus charging systems, highway toll station systems, and so on.

Specifications

Connector and signal

Fig. 1. Connector front view

RS-232C pin distribution

DB9 Female (PIN)

RS-232C Interface Signal

1

Protective

2

RXD SIN

3

TXD SOUT

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

RS-485 data output & connector and pin distribution

DB9 Male (PIN)

Data Output

RS-485 Half Duplex

1

T/R+

RS-485(A+)

2

T/R-

RS-485(B-)

3

GND

Ground wire

4

VCC

9VDC

Applications

C14 - Non Isolated (Passive)

Product dimensions

Fig. 2. Converter dimensions

Getting Started

Problem and resolution

1. Data communication failure
A. Check if the RS-232 interface connection is correct
B. Check if the RS-232 output connection is correct
C. Check if connection ends are well-connected data loss or mistake

2. Data loss or mistake
A. Check if data rate and format is consistent on both communication ends


Ordering Information

Accessory

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DISCLAMER NOTES

ALL PRODUCT, PRODUCT SPECIFICATIONS, AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

Datasheet-ID: SR-D