Siemens SINAMICS S120 Function Manual page 689

Setting criteria for times
● Cycle (T
● T
● Settings and tuning can be done using a tool (e.g. HW Config in SIMATIC S7).
Minimum times for reserves
Table 11- 12 Minimum times for reserves
Data
Basic load
Per slave
Per byte of user data
One additional class 2 master
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
)
DP
– T must be set to the same value for all bus nodes.
DP
– T > T and T > T
DP DX DP
Note
After T has been changed on the PROFIBUS master, the drive system must be
DP
switched on (POWER ON) or parameter p0972 = 1 (reset drive unit) must be set.
and T
I O
– Setting the times in T
position control loop.
– T > T + T
O DX Omin
O
and T as short as possible reduces the dead time in the
I O
11.2 Communication via PROFIBUS DP
Time required [µs]
300
20
1.5
500
Communication
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