ProSoft Technology ProLinx S3964R Instrukcja Użytkownika Pobierz pdf (Strona 55)

Reference MVI56-S3964RT ♦ TControlLogix PlatformT

TSiemens 3964R ProtocolT

ProSoft Technology, Inc. Page 55 of 78

Main Logic Loop

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

infinite loop that performs the functions shown in the following diagram.

Call I/O Handler

Call CFG/DEBUG Port

Driver

Call Network

Slave Drivers

Call I/O Handler

Transfers data between the module and processor

(user, status, etc.)

Call Serial Port Driver

Rx and Tx buffer routines are interrupt driven. Call to

serial port routines check to see if there is any data

in the buffer, and depending on the value, will either

service the buffer or wait for more characters.

Call Network Slave Drivers

Respond to messages received.

From Power Up Logic

Backplane Data Transfer

Receive from CP

April 17, 2008

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 77 78

Brak uwag

ProSoft Technology ProLinx S3964R Instrukcja Użytkownika Strona 55