Prosoft-technology MVI69-GSC Manual de usuario descargar pdf (Pagina 73)

MVI69-GSC ♦ CompactLogix or MicroLogix Platform Reference

Generic ASCII Serial Communication Module User Manual

ProSoft Technology, Inc. Page 73 of 102

September 24, 2010

5.2 Functional Overview

5.2.1 General Concepts

The following discussion explains several concepts that are important for

understanding module operation.

Module Power Up

On power up the module begins performing the following logical functions:

1 Initialize hardware components

Initialize CompactLogix or MicroLogix backplane driver

Test and Clear all RAM

Initialize the serial communication ports

2 Module configuration

3 Initialize Module Register space

After this initialization procedure is complete, the module will begin

communicating with other devices on the network, depending on the

configuration.

Main Logic Loop

Upon completing the power up configuration process, the module enters an

infinite loop that performs the following functions:

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Prosoft-technology MVI69-GSC Manual de usuario Pagina 73