S7-400H
System Manual, 03/2012, A5E00267695-11
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S7-400H setup options
3
3.1 S7-400H setup options
The first part of the description deals with the basic setup of the fault-tolerant S7-400H
automation system, and with the components of an S7-400H basic system. We then
describe the hardware components with which you can expand this basic system.
The second part deals with the software tools required for configuring and programming the
S7-400H. Also included is a description of the extensions and functional expansions
available for the S7-400 standard system which you need to create your user program to
utilize all properties of your S7-400H in order to increase availability.
Important information on configuration
WARNING
Open equipment
S7–400 modules are classified as open equipment, meaning you must install the S7-400 in
an enclosure, cabinet, or switch room which can only be accessed by means of a key or
tool. Such enclosures, cabinets, or switch rooms may only be accessed by instructed or
authorized personnel.
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