Omron NX701-1

2-23
2 Motion Control Configuration and Principles
NJ/NX-series CPU Unit Motion Control User’s Manual (W507)
2-4 EtherCAT Communications and Motion
Control
2
2-4-2 Relationship between EtherCAT Master Function Module and MC Function Module
 NX1P2 CPU Unit
 NJ-series CPU Unit
EtherCAT
EtherCAT
NX Units,
Position
Interface Units
EtherCAT
slaves,
Servo Drives,
encoder input
terminals,
Position
Interface Units
EtherCAT
slaves
NX Units
Built-in I/O
Option Boards
I/O ports
NX Bus
Function
Module
EtherCAT
Master
Function
Module
Task
period
CPU Unit
Device variables
Executed.
User program in PLC
Function Module
Instructions
other than
motion control
instructions
Motion control
instructions
Sequence
control
Motion control
Axis variables
Executed.
MC Function Module
•
Profile processing
•
Synchronization
processing
Other processing
EtherCAT
EtherCAT
EtherCAT
slaves,
Servo Drives,
encoder input
terminals,
Position
Interface Units
EtherCAT
slaves
Basic I/O Units,
Special Units
I/O ports
EtherCAT
Master
Function
Module
Task period
CPU Unit
Device variables
Executed.
User program in PLC
Function Module
Instructions
other than
motion control
instructions
Motion control
instructions
Sequence
control
Motion control
CJ-series Units
MC Function Module
•
Profile processing
•
Synchronization
processing
Axis variables
Executed.
Other processing