Siemens SIMATIC 505 - Page 73

66 •
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• 5 Simatic 505 SoftShop
System Operation
System Memory
• RLL instruction tables:
drum, timer/counter, shift
register, etc.
• Image registers and
control and relays.*
• Subroutine parameter
area.*
• SF program temporary
memory.*
• Status Word memory.*
* Not Configurable
Table 5.2
The configuration process begins with PLC Configuration.