Omron ZW-C1*AT, User Manual

Page: 392 / 450

Object Dictionary
390
ZW User's Manual
10-5 Object Dictionary
Object Dictionary Area
The CAN application protocol over EtherCAT (CoE) is based on the object dictionary of the CAN application
protocol. All objects are assigned a 4-digit hex index and comprise the following areas.
Data type
The following data types are used by this profile.
Index Area Description
0000 hex to 0FFF hex Data type area Definition of data type
1000 hex to 1FFF hex CoE communications area Definition of variables that can be used for all servers intended for
exclusive communications
2000 hex to 2FFF hex Manufacturer unique area 1 Variables defined in common to all OMRON products
3000 hex to 5FFF hex Manufacturer unique area 2 Variables defined on ZW series EtherCAT slaves
6000 hex to 9FFF hex Device profile area Unused (not supported)
A000 hex to FFFF hex Reserved area Area reserved for use in the future
Data type Abbreviation Size Range
Boolean BOOL 1 bit true (1), false (0)
Unsigned 8 U8 1 byte 0 to 255
Unsigned 16 U16 2 bytes 0 to 65535
Unsigned 32 U32 4 bytes 0 to 4294967295
Integer 8 INT8 1 byte -128 to 127
Integer 16 INT16 2 bytes -32768 to 32767
Integer 32 INT32 4 bytes -2147483648 to 2147483647
Visible string VS
 