Communication
11.2 Communication via PROFIBUS DP
Drive functions
788
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
11.2.3
Motion Control with PROFIBUS
Motion control / isochronous drive coupling with PROFIBUS
Figure 11-17 Motion control / isochronous drive coupling with PROFIBUS, optimized cycle with T
MAPC
= 2 ∙ T
DP
Sequence of data transfer to closed-loop control system
1.
The actual position value G1_XACT1 is read into at time T
I
before the start of each cycle
and transferred to the master in the next cycle.
2.
The closed-loop control of the master starts at time T
M
after each position controller cycle
and uses the transferred actual value in the telegram.
3.
In the next cycle, the master forwards the calculated setpoints to the slaves. The speed
setpoint command NSET_B is issued to the closed-loop control system at time T
O
after
the beginning of the cycle.
Содержание SINAMICS S120
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Страница 296: ...Vector control 5 23 Asynchronous pulse frequency Drive functions 296 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
Страница 312: ...V f control vector control 6 5 Vdc control Drive functions 312 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
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Страница 1044: ...Appendix A 2 Documentation overview Drive functions 1044 Function Manual 11 2017 6SL3097 4AB00 0BP5 A 2 Documentation overview ...
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