28
SI-EtherCAT User Guide
Issue Number: 2
6.3
CANopen over EtherCAT (CoE)
The CoE protocol over EtherCAT uses a modified form of the CANopen object dictionary. This is
specified in Table 6-1.
Table 6-1 CoE object dictionary
The object description format describes object related information such as size, range and
descriptions and is detailed in Table 6-2.
Table 6-2 Object description format
For entries having sub-indices
Table 6-3 Object description format with sub-indices
Definitions:
•
<index>: A signed 16-bit number. This is the index of the object dictionary entry specified
in four hexadecimal characters.
Index
Object dictionary area
0x0000 to 0x0FFF
Data type area
0x1000 to 0x1FFF
CoE communication area
0x2000 to 0x5FFF
Manufacturer specific area
0x6000 to 0x9FFF
Profile area
0xA000 to 0xFFFF
Reserved area
<index>
<object name>
Sub-index 0
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
<index>
<object name>
Sub-index 0
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
Sub-index 1
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
Sub-index …
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
Sub-index n-1
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
Sub-index n
Access: <access>
Range: <range>
Size: <size>
Unit: <unit>
Default: <default>
Type:
<type>
Description: <description>
Содержание SI-EtherCAT
Страница 1: ...User Guide SI EtherCAT Part Number 0478 0152 02 Issue Number 2 ...
Страница 105: ......
Страница 106: ...0471 0152 02 ...