8-91 
 
8-3-7 EtherCAT Object List 
(1) Object structure 
JSDG2S-E servo driver uses CAN application protocol over EtherCAT (CoE) object as the basis and 
defines all objects to 6 blocks by type. 
Object address  Block name  Description 
0000h~0FFFh  Data-type block  Define the used data type 
1000h~1FFFh 
CoE communication 
information block 
Define the communication information that 
can be used or referred to 
2000h~4FFFh 
User self-defined 1 
block 
TECO self-defined object (open for user) 
5000h~5FFFh 
User self-defined 2 
block 
TECO self-defined object (not open for user)
6000h~9FFFh 
CiA402 agreement 
object block 
Object in CiA402 agreement 
A000h~FFFFh Reserved block  Reserved for future extension 
 
(2) Object type 
Object types used in JSDG2S-E servo driver are listed as follows. All CANopen/EtherCAT 
communication related data types in this document are based on this list. 
Object type  Range 
NULL  Object does not have a definition data column 
VARIABLE  Object can enter one data value
ARRAY 
Can include multiple subobjects. Subobjects have the same data type. (Subobject 
0 does not contain) 
RECORD 
Can include multiple subobjects. Subobjects can contain different data types. 
(Subobject 0 does not contain) 
 
(3) Access type 
Object access types used in JSDG2S-E servo driver are listed as follows. All CANopen/EtherCAT 
communication related data types in this document are based on this list. 
Access type  Range 
RW  Object can read & write-in 
WO  Object can only write-in 
RO  Object can only read 
CONST  Read only and the value is a constant