
Lenze · Controller | Parameter setting & programming · Reference Manual · DMS 1.5 EN · 04/2014 · TD17 60
7 Programming with the »PLC Designer«
7.2 Function blocks
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7.2 Function blocks
The »PLC Designer« contains function blocks which enable the PLC program to directly access the
parameters of the Controller and the connected field devices.
Parameters which can be accessed are ...
• device parameters or logbook entries of the Controller;
• device parameters of the field devices (example: Servo Inverter i700).
Memory sizes of the controllers
Operating systems of the Controllers
The operating systems and the PLC applications use the available RAM memory area of the
Controller together (see above).
Memory area/data Value
Total RAM memory
(Program memory/data memory)
3221 C:
3231 C:
3241 C:
1 GB DDR2-RAM
c300: 512 MB DDR3-RAM
p300: 512 MB DDR3-RAM
p500: 1 GB DDR2-RAM
Retain and persistent data 3221 C:
3231 C:
60 kB
3241 C: 1 MB (with external battery pack/capacitor pack)
c300: 128 kB
p300: 128 kB
p500: 1 MB
Fixed memory (flash) 2 GB
Flag 4 kB
Maximum number of tasks 32
Shortest task time 3221 C:
3231 C:
3241 C:
1 ms
c300: 2 ms
p300: 2 ms
p500: 1 ms
Maximum input / output area 8 kB
Operating systems
Cabinet Controller c300 3221 C 3231 C 3231 C
Windows®
Embedded Compact
7
Windows® CE 6.0 Windows®
Embedded Standard
2009
Panel Controller p300 p500
Windows® Embedded Compact 7 Windows® CE 6.0
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