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A
NX-series Data Reference Manual (W525)
This section describes NX Unit power supply and I/O power supply capacity, NX Units
that have restrictions in the communications cycles, and specific values of NX Units for
calculating performance.
A-1 NX Unit Power Supply and I/O Power Supply Capacity . . . . . . . . . . . . . . . A-2
A-1-1 EtherCAT Coupler Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
A-1-2 EtherNet/IP Coupler Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
A-1-3 Additional NX Unit Power Supply Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4
A-1-4 Additional I/O Power Supply Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4
A-2 NX Units That Have Restrictions in Communications Cycles . . . . . . . . . . A-5
A-2-1 NX Units That Have Restrictions in Communications Cycles in DC Mode . . . . A-5
A-2-2 NX Units That Have Restrictions in Communications Cycles in Free-Run
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5
A-3 Specific Values of NX Units for Performance Calculation . . . . . . . . . . . . . A-6
A-3-1 Specific Values of NX Units Operate with Synchronous I/O Refreshing . . . . . . A-6
A-3-2 Specific Values of NX Units Operate with Task Period Prioritized Refreshing . A-9
A-3-3 Specific Values of NX Units Operate with Time Stamp Refreshing . . . . . . . . . A-11
A-3-4 Specific Values of NX Units Operate with Free-Run Refreshing . . . . . . . . . . . A-12
A-4 List of Screwless Clamping Terminal Block Models . . . . . . . . . . . . . . . . A-15
A-4-1 Model Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-15
A-4-2 List of Terminal Block Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-15
A-4-3 Applicable Screwless Clamping Terminal Blocks for Each Unit Model . . . . . . A-16
A-5 Version Information with CPU Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-19
A-5-1 Relationship between Unit Versions of Units . . . . . . . . . . . . . . . . . . . . . . . . . A-19
A-5-2 Support Functions of the CPU Units and Restrictions on the NX Units . . . . . A-26
A-6 Version Information with Commnications Coupler Units . . . . . . . . . . . . . A-28
A-6-1 Connection to an EtherCAT Coupler Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-28
A-6-2 Connection to an EtherNet/IP Coupler Unit . . . . . . . . . . . . . . . . . . . . . . . . . . A-35
A-6-3 Support Functions of the Communications Coupler Units and
Restrictions on the NX Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-44
Appendices