Siemens SIMATIC S7-1500 Automation System System Manual page 82

Configuring
STEP 7 assigns a valid default parameter assignments for all modules. You can change the
parameter assignment subsequently.
Properties of central modules
The properties of the CPUs have special significance for system behavior. You can set the
following, for example, at a CPU in STEP 7:
● Startup behavior
● Parameter assignment of the interface(s), for example IP address, subnet mask
● Web server, e.g., activation, user administration, and languages
● Cycle times, e.g., maximum cycle time
● Properties for the operation of the display
● System and clock memory
● Protection level for access protection with assigned password parameter
● Clock time settings (daylight saving time/standard time)
The properties that can be set and the respective value ranges are specified by STEP 7.
Fields that cannot be edited are grayed out.
Reference
Information about the individual settings can be found in the online help and in the manual of
the respective CPU.
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S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01