Siemens SINUMERIK 840Di sl Commissioning Manual page 290

PROFIBUS DP Communication
8.9 DP slave SINAMICS S120
Antriebsobjekt
"Free
interconnection
via BICO"
PDA
DSC: Function: Dynamic Servo Control
For a detailed description of message frames, please see:
References:
SINAMCIS S120 Commissioning Manual, Chapter "Communication via PROFIBUS DP"
Message frame structure
The configuration of the PROFIBUS message frame for a DP slave S120 must observe the
following boundary conditions:
● The process data of the axes or drive objects: "Drives" must be available before the
Note
Currently, no message frames must be configured for the Control Unit and infeed of a
drive unit. Error acknowledgement and release are performed in the STARTER by means
of free message frame configuration with BICO.
● The structure of the process data for the PROFIBUS message frame configured in HW
290
Message
frame
999
/PDA : Number of process data values: Setpoint/actual values
setpoint actual
process data of all other drive objects (Control Unit, infeed, etc.).
Config (object sequence and message frame type) must be identical to the structure
configured in STARTER.
PDA PDA Description
set act
- - The transmission and receive messages can be
configured as required by using BICO technology
to interconnect the send and receive process
data.
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual