Siemens SIMOTION D455-2 - Page 146

Parameter assignment / addressing
5.6 Configuring PROFINET IO
SIMOTION D4x5-2
146 Commissioning and Hardware Installation Manual, 02/2012
Table 5- 8 Ratios of the system cycle clock (when one servo is used)
Cycle clock name Settable factors Reference cycle clock
PROFIBUS DP
bus cycle clock
1, 2, 3, 4, 6, 8, 10, 12, 14, 16 PROFINET IO send cycle clock
Servo As of V4.3: 1, 2, 3, 4, 8
1)
V4.2: 1
PROFIBUS DP bus cycle clock
IPO 1, 2, 3, 4, 5, 6 Servo
IPO_2 2, 3, 4, 5, …, 64 IPO
1)
Always "1" if PROFINET with IRT has been configured
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 D4x5-2 system cycle clocks (one servo activated)