S7-400H Installation Options - Siemens SIMATIC S7-400H System Manual

S7-400H installation options

3.1 S7-400H installation options
The first part of the description deals with the basic configuration of the redundant S7-400H
automation system, and with the components of an S7-400H base system. We then set out
the hardware components with which you can expand this base system.
The second part deals with the software tools which you are going to use to configure and
program the S7-400H. Included is a description of the add-on and extended functions
available for the S7-400 base system which you need to create the user program, and to
utilize all the properties of your S7-400H in order to increase availability.
Important information on the configuration
Open equipment
S7–400 modules are classified as open equipment, meaning you must install the S7-400 in
a cubicle, cabinet or switch room which can only be accessed by means of a key or tool.
Such cubicles, cabinets or switch rooms may only be accessed by instructed or authorized
personnel.
S7-400H
System Manual, 09/2007, A5E00267695-03
WARNING
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