RS232 to RS422/RS485 Serial Converter-CQR1218

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File:9018DT-1.jpg
RS232 to RS422/RS485 Serial Converter

INTRODUCTION

CQR1218 is a universal RS232 to RS485/RS422 bidirectional converter, designed to extend the RS232 transmission distance and the interface converter designed for the RS485/RS422 bus, which consists of a number of CQRobot independent innovation technology. It Includes built-in data collision protection control, the power supply and signal lights and inhibition of TVS transient voltages protection. In order to adapt to RS422 / RS485 with much bus wiring, it provides a terminal at port, DB9 and RJ45 physical interface, that effectively adapt to a variety of connection mode, making the bus from multiple directions to be better contacted and more convenient to be implemented. The equipment adopts the aluminum shell of sandblasting and anti-oxidation, which can effectively shield the external interference and have good heat dissipation.

CQR1218 interface converter supports the following four communication modes:

  • Point to point / 4 full duplex.
  • Point to multi-points/four-line full-duplex.
  • Point to point/twine and half duplex.
  • Point to multi-points/two-line and half duplex.

To prevent the reflection and interference of the signal, a matching resistor is needed at the terminal of the line (the parameter is 120 ohm 1/4w) when the converter is used as full duplex or half duplex wiring.

FEATURES

  • Built-in data collision protection control DCPC function.
  • The baud rate is adaptive
  • LED indicates power and signal status.
  • The maximum support is 32 nodes.
  • RS232 port protection: 15KV ESD.
  • The RS485/RS422 port provides surge protection. With Lightning protection of 600W.
  • The data is bidirectional.
  • 9V-18V / DC, Power Supply, With EU UK US Plug.
  • It does not require a handshake signal to achieve transparent transmission.
  • Plug-and-Play, NO Need to Drive. Supports Windows98 / Windows2000 / XP / Vista / Win7 / Win8 / Win10 / ME, Linux, MAC, Android, Arduino.

APLLACATIONS

  • Singlechip, Surveillance Camera
  • Barcode Scanner
  • Fingerprint Attendance Machine
  • Computer PDA (WINCE system)
  • Label Printer
  • Engineering Exchange
  • Industrial Control
  • Safety Access Control

Factory automation system, Distributed control system, Other 485/422 serial device wireless network, LED INFO display equipments, PLC control and management, SCADA, measuring instruments and monitoring system, CNC management, Medical treatment/medication automation, Building automation, Check on work attendance/Human resource management

Display

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SPECIFICATION

  • Interface features: Compatible with standard EIA/TIA RS-232C/RS-485/RS-422.
  • Electrical interface: RS-232 to DB9 connector; RS-422/RS-485 interface type: terminal, RJ-45, DB9.
  • Protection level: 600W lightning surge protection for each RS-422, RS-485 interface.
  • Operation mode: asynchronous, half duplex, or asynchronous full duplex.
  • Signal indicator: power (PWR), transmission (TXD), reception (RXD).
  • Transmission medium: Twisted pair or shielded wire.
  • Transmission rate: 115.2K BPs to 300M, 38.4K BPS to 2.4KM, 9600 BPS to 5KM.
  • Size: 113mm * 55mm * 25mm.
  • Working temperature: -25 to 70 Centigrade.
  • Relative humidity: 5% to 95%.
  • Transmission distance: 1200meters. (1152bps-9600bps)

DISTRIBUTION LIST

  • 1 * RS232 to RS485/RS422 Convertor with Charger
  • 1 * Serial Cable
  • 1 * DB9 to 5P Converter
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