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5 I/O Refreshing
5 - 18
NX-series Digital I/O Unit User’s Manual (W521)
With this I/O refreshing method, the NX Units record the DC times when inputs change or perform out-
puts at specified DC times. These times are asynchronous to the NX bus refresh cycles.
Data exchange between the NX Units and EtherCAT Coupler Unit are performed cyclically on the NX
bus refresh cycles.
There are the following two I/O refreshing methods.
• Input refreshing with input changed time
• Output refreshing with specified time stamp
Each of these I/O refreshing methods is described below.
5-2-7
Time Stamp Refreshing
Summary of Contents for NX-IA3117
Page 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Page 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Page 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Page 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Page 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Page 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Page 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Page 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Page 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...