User`s manual

CYMOD 4520

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CYMOD 4520

2.1. Overview

What is CYMOD 6520 ?

CYMOD 4520 is a RS-232 to RS-422/RS-485 converter, it converts the RS-232

signal to the RS-422/RS-485 signals. The CM 4520 can be considered an

extension RS-422/RS-485 serial port for the host computer. A standard 9-pin

D-type connector is used to connect the host computer and the CM 4520.

Hence, the CM 4520 can connect with all kinds of PCs, IPCs or Notebook PCs,

which employ a standard RS-232 interface.

u Features of CYMOD 4520

♦ RS-422/RS-485 transceiver

♦ Differenial 2-wire half-duplex RS-485

♦ Easy setup and installation

♦ Auto direction flow control

♦ Maximum 128 CYMOD on a bus without using repeaters

♦ Maximum 256 addressable CYMOD modules

♦ High transfer speed

♦ High isolation voltage

♦ Lower power consumption