User Manual

CANopen Manual for TMCM-1140, TMCM-1160, and TMCM-1180 (Rev. 2.01 / 2017-JUL-26) 12
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2.3 Device Model
Following the device model, the device consists of three parts: communication, object dictionary, and
application.
Communication This function unit provides the communication objects and the appropriate
functionality 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
Application
object
Application
object
Application
object
Communication
object
Communication
object
Communication
object
Communication
object
Entry 1
Entry 2
Entry n
Bus system Process
Figure 2.3 Device model