
3 Protocol description
15-04-2016 15 7000.05052
3.2
Communication services
Fig. 5: Communication services of the Motion Controller
The following communication services are available:
Boot-up message
Write or read service for each individual parameter (SDO message)
Direct write access to the controlword of the drive
Direct read access to the statusword of the drive
Communication service for signalling error states by a message (EMCY) transmitted by
the drive in the event of an error
Communication service for accessing the values on the data logger (trace)
Communication
Application
Motor
Interface
n*, Pos*
Motor Control
Control Word
Status Word
n, Pos
EMCY
SDO
node
Error Handling
Object Dictionary
CiA 402 Drive
Statemachine