Omron GRT1-ECT SmartSlice, Руководство по эксплуатации

Страница: 122 / 142

A4 Appendix Object Dictionary
A4 - 2 GRT1-series EtherCAT Communication Unit - Operation Manual
A4-1 Object Dictionary
The CAN application protocol over EtherCAT (CoE) uses the object dictionary. Each object is assigned
with an index of four-digit hexadecimal value. The indexes are defined in the areas below.
This profile uses the following data types.
A4-1-1 Object Dictionary Area
Indexes Area Contents
0000 hex-0FFF hex Data Type area Definitions of data types
1000 hex-1FFF hex CoE Communication area
Definitions of variables that can be used by all
servers for designated communication
2000 hex-2FFF hex Manufacturer Specific area 1 Variables defined for all OMRON products
3000 hex-5FFF hex Manufacturer Specific area 2
Variables defined for the GRT1-series EtherCAT
Communication Unit
6000 hex-9FFF hex Device Profile area
Variables defined for CiA401 generic I/O module
device profiles (profile specifying the CAN
application protocol interface for devices with digital
I/Os and analog I/Os)
A000 hex-EFFF hex Reserved area Area reserved for future use
F000 hex-FFFF hex Modular Device Profile area
Variables for the Modular Device Profile part of the
GRT1-series EtherCAT Communication Unit
A4-1-2 Data Types
Data Types Code Size Range
Boolean BOOL 1 bit true(1), false(0)
Unsigned8 U8 1 byte 0 to 255
Unsigned16 U16 2 bytes 0 to 65535
Unsigned32 U32 4 bytes 0 to 4294967295
Integer8 INT8 1 byte − 128 to 127
Integer16 INT16 2 bytes
−
32768 to 32767
Integer32 INT32 4 bytes − 2147483648 to 2147483647
Visible string VS
− −