Ethercat Communications - Omron R88D-1SN10F-ECT User Manual

Ac servomotors/servo drives
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EtherCAT Communications

AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User's Manual (I586)
This section explains EtherCAT communications under the assumption that the Servo
Drive is connected to a Machine Automation Controller NJ/NX-series CPU Unit or Posi-
tion Control Unit (Model: CJ1W-NC 8 ).
5-1 Display Area and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-1
Node Address Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-2
Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-3 EtherCAT State Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-4 Process Data Objects (PDOs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-4-1
PDO Mapping Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-4-2
Sync Manager PDO Assignment Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5-4-3
Fixed PDO Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5-4-4
Variable PDO Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11
5-4-5
Sync Manager PDO Mapping Assignment Settings . . . . . . . . . . . . . . . . . . . 5-12
5-5 Service Data Objects (SDOs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-6 Synchronization Mode and Communications Cycle . . . . . . . . . . . . . . . . . 5-14
5-6-1
Distributed Clock (DC) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5-6-2
Free-Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5-7 Emergency Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
5-8 Sysmac Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
5
5 - 1

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