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3. EtherCAT Communication
3.1
CAN application protocol over EtherCAT
Ezi-STEPII EtherCAT MINI is EtherCAT communication embedded type of controller to support CAN
application protocol over EtherCAT (CoE). EtherCAT Slave structure is as below.
Figure 3.1: EtherCAT Structure
3.1.1
Object Dictionary
Object Dictionary is dictionary of Objects what product has.
3.1.2
Mailbox Communication
Master and Slave commands and receives Service Data Object (SDO) at Mailbox communication (SDO
Communication). This communication method is the way of message transfer and master delivers com-
mand and slave responses.
SDO Communication used for setting or confirmation of objects at Object Dictionary. This communication
can be used under Pre-Operational, Safe-Operational, Operational status of controller.
Rev.37
FASTECH Co., Ltd.
26
Содержание Ezi-STEPII EtherCAT MINI
Страница 1: ...Open Loop Stepping System EtherCAT Network User Manual Ezi STEPII EtherCAT MINI FASTECH Co Ltd ...
Страница 10: ...Chapter 1 Product Specification Rev 37 FASTECH Co Ltd 10 ...
Страница 14: ...Chapter 2 Installation Rev 37 FASTECH Co Ltd 14 ...
Страница 25: ...Chapter 3 EtherCAT Communication Rev 37 FASTECH Co Ltd 25 ...
Страница 31: ...Chapter 4 CiA402 Drive Profile Rev 37 FASTECH Co Ltd 31 ...
Страница 55: ...Chapter 5 Operation Rev 37 FASTECH Co Ltd 55 ...
Страница 59: ...Chapter 6 EtherCAT Object Dictionary Rev 37 FASTECH Co Ltd 59 ...