Operating Statuses And Program Execution Levels - Siemens CPU 948 Programming Manual

Simatic s5 s5-155u
Table of Contents

Advertisement

Operating Statuses and Program
Execution Levels
CPU 948 Programming Guide
C79000-G8576-C848-04
This chapter provides an overview of the operating statuses and
program execution levels of the CPU 948. It informs you in detail
about various types of start-up and the organization blocks associated
with them, in which you can program your own sequences for various
situations when restarting.
You will also learn the characteristics of the program execution modes
"cyclic processing", "time-controlled processing" and
"interrupt-driven processing" and will see which blocks are available
for your user program.
4
4 - 3

Advertisement

Table of Contents
loading

Table of Contents