Figure 3-1 Overview - Siemens SIMATIC S7-400H System Manual

S7-400H installation options
3.1 S7-400H installation options
The following figure shows an example of an S7-400H configuration with shared distributed
I/O and connection to a redundant plant bus. The next pages deal with the hardware and
software components required for the installation and operation of the S7-400H.
Figure 3-1
Further information
The components of the S7-400 standard system are also used in the fault-tolerant S7-400H
automation system. For a detailed description of all hardware components for S7–400, refer
to the reference manual
The rules governing the design of the user program and the use of components laid down for
the S7-400 standard system also apply to the fault-tolerant S7-400H automation system.
Refer to the descriptions in the
for S7-300/400; Standard and System Functions
26
Overview
S7-400 automation system module specifications
Programming with STEP 7
manual, and to the
reference manual.
System Manual, 09/2007, A5E00267695-03
.
System Software
S7-400H