User Manual

TMCM-3313 CoE Firmware Manual • Firmware Version V1.01 | Document Revision V1.02 • 2016-NOV-29
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Safe-Operational state.
The Bootstrap (BOOT) state is used for firmware updates via FoE. Before FoE can be used the device has
to be switched to this state.
2.3 Device Model
A CoE device mainly consists of the following parts:
• Communication: This function unit provides the communication objects and the appropriate function-
ality to transport data items via the underlying network structure.
• Object dictionary: The object dictionary is a collection of all the data items which have an influence on
the behavior of the application objects, the communication objects and the state machine used on
this device.
• Application: The application comprises the functionality of the device with respect to the interaction
with the process environment.
Communication
Application
Object dictionary
State machine
Application
object
Communication
object
Entry 1
Entry 2
Entry n
Bus system Process
Communication
object
Communication
object
Communication
object
Application
object
Application
object
Application
object
Figure 9: Device Model
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