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A - 13
Appendices
CJ-series EtherCAT Slave Units Operation Manual (W541)
A-
4 Co
E
Ob
ject
s
A
A-4-
1 Obje
ct Dictiona
ry Area
A-4 CoE Objects
This section explains the CoE objects that are implemented by the EtherCAT Slave Unit.
The CAN application protocol over EtherCAT (CoE) is based on the object dictionary for the CAN appli-
cation protocol.
All objects are assigned 4-digit hexadecimal indexes. The objects are structured in the following areas.
The following data types are used in this profile.
The following table describes objects with the following format.
A-4-1
Object Dictionary Area
Indexes
Area
Description
0000 to 0FFF hex Data Type Area
This area contains the data type definitions.
1000 to 1FFF hex CoE Communications Area
The objects in this area are defined for use by all servers
that perform specialized communications.
• PDO mapping objects
2000 to 2FFF hex Manufacturer-specific Area 1
The objects in this area are defined for all OMRON prod-
ucts.
3000 to 5FFF hex Manufacturer-specific Area 2
The objects in this area are defined for the EtherCAT Slave
Unit.
6000 to 9FFF hex Device Profile Area
The objects in this area are defined by the CiA401 Generic
I/O Module Device Profile (a profile that specifies the CAN
application protocol interface for devices with digital I/O and
analog I/O).
A000 to FFFF hex Reserved Area
This area is reserved for future use.
A-4-2
Data Type
Data type
Abbreviation
Size
Range of values
Unsigned8
U8
1 byte
0 to 255
Unsigned16
U16
2 bytes
0 to 65,535
Unsigned32
U32
4 bytes
0 to 4,294,967,295
Visible String
VS
---
---
A-4-3
Format of Objects
Index
(hex)
Subin-
dex
(hex)
Object name
Default
Data range
Unit
Data
attri-
bute
Size
Access
PDO
mapping
Complete
access
<Index> <Subin-
dex>
<Object name>
<Default
setting>
<Data range> <Unit>
<Data
attri-
bute>
<Size> <Access> <Possi-
ble/Not
possible>
<Possi-
ble/Not pos-
sible>
Summary of Contents for CJ1W- ECT21
Page 1: ...Cat No W541 E1 02 OPERATION MANUAL SYSMAC CJ Series CJ1W ECT21 EtherCAT Slave Unit ...
Page 8: ...CONTENTS 6 CJ series EtherCAT Slave Units Operation Manual W541 ...
Page 30: ...Revision History 28 CJ series EtherCAT Slave Units Operation Manual W541 ...
Page 32: ...Sections in this Manual 30 CJ series EtherCAT Slave Units Operation Manual W541 ...
Page 148: ...Appendices A 34 CJ series EtherCAT Slave Units Operation Manual W541 ...
Page 149: ...I 1 I CJ series EtherCAT Slave Units Operation Manual W541 Index ...
Page 152: ...I 4 CJ series EtherCAT Slave Units Operation Manual W541 Index ...
Page 153: ......