Siemens SIMOTION D4 5-2 Series Commissioning And Hardware Installation Manual page 146

Parameter assignment / addressing
5.6 Configuring PROFINET IO
Table 5- 8
Cycle clock name
PROFIBUS DP
bus cycle clock
Servo
IPO
IPO_2
1)
Setting the cycle clock ratios
The set bus cycle clock is displayed in SIMOTION SCOUT as the "Bus data cycle" in the
"System Cycle Clocks - D4x5-2" dialog box. Select SIMOTION D4x5-2 and then select the
"Set system cycle clocks" option in the "Target system" > "Expert" menu.
Set the required cycle clock ratios for the servo, IPO and IPO_2 in the "System Cycle Clocks
- D4x5-2" dialog box.
Figure 5-9
146
Ratios of the system cycle clock (when one servo is used)
Always "1" if PROFINET with IRT has been configured
D4x5-2 system cycle clocks (one servo activated)
Settable factors
1, 2, 3, 4, 6, 8, 10, 12, 14, 16
As of V4.3: 1, 2, 3, 4, 8
1)
V4.2: 1
1, 2, 3, 4, 5, 6
2, 3, 4, 5, ..., 64
Commissioning and Hardware Installation Manual, 02/2012
Reference cycle clock
PROFINET IO send cycle clock
PROFIBUS DP bus cycle clock
Servo
IPO
SIMOTION D4x5-2