User Manual

TMCM-1276 CANopen
®
Firmware Manual Firmware Version V3.22 | Document Revision V1.00 2018-JUN-28
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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 5: Device Model
2.4 Object Dictionary
The most important part of a device prole is the object dictionary description. The object dictionary is
essentially a grouping of objects accessible via the network in an ordered pre-dened fashion. Each object
within the dictionary is addressed using a 16-bit index. The overall layout of the standard object dictionary
is shown in table 4:
Object Dictionary
Index Object
0000
h
Not used.
0001
h
001F
h
Static data types.
0020
h
003F
h
Complex data types.
0040
h
005F
h
Manufacturer specic complex data types.
0060
h
007F
h
Device prole specic static data types.
0080
h
009F
h
Device prole specic complex data types.
00A0
h
0FFF
h
Reserved for further use.
1000
h
1FFF
h
Communication prole area.
2000
h
5FFF
h
Manufacturer specic prole area.
6000
h
9FFF
h
Standardized device prole area.
A000
h
BFFF
h
Standardized interface prole area.
C000
h
FFFF
h
Reserved for further use.
Table 4: Object Dictionary
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