Moxa TCC-100-T Guía de usuario descargar pdf (Pagina 18)

Moxa TCC-100 Series User’s Guide

Isolation Block Diagram

Local Power

Data

Input

Data

Output

Optical

Isolator

Regulated

Power Supply

+5V

V+

+5V +5V

12-30 VDC

Typical Applications

RS-485 Application

A typical RS-485 application for TCC-100 Series is depicted in the following

figure. In this scenario, two TCC-100 Series units are used to connect two PCs to

an RS-485 network. The third TCC-100 Series is used to connect the PLC—

which is designed for the RS-232 interface—to the RS-485 network. In this way,

both PCs are able to interact with the PLC and the LCD Display.

MOXA

TCC-100 Series

MOXA

TCC-100 Series

MOXA

TCC-100 Series

RS-485

Network

PLC

LCD Display

RS-232

PWR

RS-232 Tx

RS-232 Rx

Transio

RS-232 to RS-422/485

converter

RS-232

RS-422/485

Tx+(B)

Tx (A)

Rx+(B)(Data +)

Rx (A)(Data )

RTS+(B)

RTS (A)

CTS+(B)

CTS (A)

SGND

V+

DC9~30V

TCC-100

PWR

RS-232 Tx

RS-232 Rx

Transio

RS-232 to RS-422/485

converter

RS-232

RS-422/485

Tx+(B)

Tx (A)

Rx+(B)(Data +)

Rx (A)(Data )

RTS+(B)

RTS (A)

CTS+(B)

CTS (A)

SGND

V+

DC9~30V

TCC-100

PWR

RS-232 Tx

RS-232 Rx

Transio

RS-232 to RS-422/485

converter

RS-232

RS-422/485

Tx+(B)

Tx (A)

Rx+(B)(Data +)

Rx (A)(Data )

RTS+(B)

RTS (A)

CTS+(B)

CTS (A)

SGND

V+

DC9~30V

TCC-100

2-8

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