Process Data Transfer Between The Nc And Drive - Siemens SINUMERIK 840D sl Commissioning Manual

Communication between the NC and the drive

7.4 Process data transfer between the NC and drive

7.4 Process data transfer between the NC and drive
Telegram types
Which telegram types are available?
● Standard telegrams
The standard telegrams are structured in accordance with the PROFIdrive Profile V4.1. The
internal process data links are set up automatically in accordance with the telegram number
setting.
● Manufacturer-specific telegrams
The manufacturer-specific telegrams are structured in accordance with internal company
specifications. The internal process data links are set up automatically in accordance with
the telegram number setting.
The telegram length for communication with the drive is specified in the HW Config, and
depends on the required axis functions, e.g. the number of encoders or the functionality of the
deployed drive.
Note
If the telegram length of a drive component is changed in HW Config, the selection of the
telegram type also has to be adapted in the configuration of the interface in the NC.
The following manufacturer-specific telegrams can be set with parameter p0922:
Telegrams for the axes (SERVO):
116
118
136
146
138
148
139
149
166
Telegrams 146, 148, 149 also have an additional control and status word.
Telegrams for the integrated SINAMICS Control Unit (CU_I):
370
390
391
395
220
Torque Torque Position
reduction feedfor‐ controller
ward con‐ gain
trol
x --
x --
x x
x x
x x
x x
x x
x x
x x
Infeed
without probe for NX extension
up to 2 probes for the NCU
16 probes and digital inputs/outputs
DSC Encoder
1
x x x
x x x
x x x
x x x
x x --
x x --
x x x
x x x
x x x
Commissioning Manual, 12/2019, A5E48312804B AA
Encoder Encoder Adapta‐
2 3 tion pa‐
rameter
x --
x --
x --
x --
x x
x x
-- --
-- --
x --
CNC Commissioning: NC, PLC, Drive
--
--
--
x
--
x
--
x
--