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6.2
Assembly Mapping Object (EBh)
Category
Extended
Object Description
If the application has implemented this object, the object will replace the PDO mapping created when the ap-
plication is started. The original mapping will be replaced during the transition from PRE-OPERATIONAL
state to SAFE-OPERATIONAL state. The application must support the Remap_ADI commands, if this object
is to be implemented.
Each instance in the Assembly Mapping Object corresponds to one PDO. The first read assembly is mapped
to object 1600h in the object dictionary, the second to 1601h and so on. Similarly, the first write assembly is
mapped to object 1A00h, the second to 1A01h and so on. Up to 64 each of read and write assembly instan-
ces are supported.
The table below illustrates an example on how PDO mapping object numbers are assigned for different as-
sembly mapping object instances.
Instance no.
Direction
PDO mapping object number
1
Write
1A00h
2
Read
1600h
3
Write
1A01h
4
Read
1601h
5
Read
1602h
Each assembly mapping instances supports up to 254 ADI elements, corresponding to one full PDO on
EtherCAT.
If the Modular Device Object is implemented in the host application, i.e. modular device profile is enabled, the
settings of this objects will be ignored.
See also ..
•
Anybus CompactCom 40 Software Design Guide, “Assembly Mapping Object”
for assembly to PDO mapping.
Anybus
®
CompactCom
™
40 EtherCAT
®
Network Guide
SCM-1202-034 1.1
Содержание CompactCom 40 EtherCAT
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