Technical data
11
11.1 Technical data
Memory for system data
Table 11-1 Memory for system data
Data Memory size
C230-2 C240 C240 PN
Diagnostic buffer 200 messages
RAM (Random Access Memory) 20 MB 40 MB
RAM disk (load memory) 23 MB 23 MB
Retentive memory 13 KB 107 KB
For information about user data, refer to chapter Properties of the user memory (Page 143).
Table 11-2 Memory for system data (as of hardware version or FS "G")
Data Memory size
C240 C240 PN
Diagnostic buffer 200 messages
RAM (Random Access Memory) 67 MB
RAM disk (load memory) 29 MB
Retentive memory 107 KB
Note
If the C240/C240 PN is used as of software version V4.4 and as of a hardware version or FS
"G", you will have a RAM disk (load memory) of 29 MB and a RAM (Random Access Memory)
of 67 MB.
If the C240/C240 PN as of a hardware version or FS "G" is operated as a spare part with older
SW versions, the previous values set for the corresponding SW version shall apply.
System clocks
Table 11-3 System clocks
System clocks C230-2 C240 C240 PN
Basic cycle clock (isochronous bus cycle not activated) 1.5 ms to 8 ms 0.5 to 8 ms
DP cycle clock (isochronous bus cycle activated) 1.5 ms to 8 ms 1.0 to 8 ms
Position control cycle clock (servo cycle clock) ≥ 1.5 ms ≥ 0.5 ms
SIMOTION C
Operating Instructions, 11/2016, A5E33441428B 163
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