Sinumerik 840Di With Profibus Dp; Description Of A Dp Cycle - Siemens SINUMERIK 840D sl Function Manual
Special functions
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Also See for SINUMERIK 840D sl:
- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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3.4
SINUMERIK 840Di with PROFIBUS DP
Note
Further information on SINUMERIK 840Di can be found in:
References:
/HBI/ SINUMERIK 840Di Manual, PROFIBUS-DP Communication
3.4.1
Description of a DP cycle
Actual values
At time T
the next DP cycle, the actual values are transferred to the DP master in the time T
Position controller
In time T
actual position values to calculate the new speed setpoints.
Setpoints
At the start of the next DP cycle, the speed setpoints are transferred from the DP master to
the DP slaves (drives) in the time T
At time T
Special Functions
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
, the actual position values are read from all the equidistant drives (DP slaves). In
I
(where T
> T
) the NC position controller is started and will use the transferred
M
M
DX,
, the speed setpoints are taken as new specified values for all drive controllers.
O
3.4 SINUMERIK 840Di with PROFIBUS DP
.
DX
G3: Cycle times
.
DX
185
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