Communications - Siemens SIMATIC S7-400H Manual

Communications

In this chapter you will find an introduction to communications with fault-tolerant
systems and their specific characteristics.
You will learn the basic concepts, the bus systems you can use for fault-tolerant
communications and the types of connection.
You will learn how communications take place via fault-tolerant connections and
standard connections, and how to configure and program them.
You will find examples of communications via fault-tolerant S7 connections
and will learn about their advantages.
By way of a comparison, you will learn in this respect how communications take
place over S7 connections and also how you can communicate in Redundant
mode with S7 connections.
In Section
7.1
7.2
7.3
7.4
7.5
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04
Fundamentals and Basic Concepts
Suitable Networks
Supported Communication Services
Communications via Fault-Tolerant S7 Connections
Communications via S7 Connections
You Will Find
7
On Page
7-2
7-5
7-7
7-7
7-13
7-1