SIMOTION C
Operating Instructions, 02/2012
171
Technical data
10
10.1
Technical data
Memory for system data
Table 10- 1 Memory for system data
Memory size
Data
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 150).
System clocks
Table 10- 2 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
Interpolator cycle clock (IPO cycle clock)
≥ 1.5 ms
≥ 0.5 ms
Send cycle of PROFINET (C240 PN)
-
-
0.5 to 4 ms
A modification can be made in the engineering system.
For system cycle clock settings, refer to the SIMOTION SCOUT online help.
Note
With the SIMOTION C, errors can occur during Download or during the transition from STOP
to RUN if I/O bus modules and a system cycle clock > 8 ms (only with equidistant bus cycle)
are used. If an error occurs, set the system cycle clock ≤ 8 ms.
