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Omron R88M-K - 5 EtherCAT Communications

Omron R88M-K
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5-1
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
5
This chapter describes EtherCAT communications under the assumption that the G5-
series Servo Drive is connected to an NJ501-1-00 NJ-series Machine Automation
Controller or CJ1W-NC281/NC481/NC881/NCF81/NC482/NC882 Position Control
Unit.
5-1 Display Area and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-1 Node Address Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-2 Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-2 Structure of the CAN Application Protocol
over EtherCAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-3 EtherCAT State Machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5-4 Process Data Objects (PDOs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-4-1 PDO Mapping Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-4-2 Sync Manager PDO Assignment Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-4-3 Fixed PDO Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-4-4 Variable PDO Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5-4-5 Multiple PDO Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5-5 Service Data Objects (SDOs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5-5-1 Abort Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5-6 Synchronization with Distributed Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-6-1 Communications Cycle (DC Cycle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-7 Emergency Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5-8 Sysmac Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
EtherCAT Communications

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