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5 I/O Refreshing Methods
5 - 6
NX-series Position Interface Units User’s Manual (W524)
• The ON/OFF response time is required from when outputs are updated until the output status is set
on the external terminals of the NX Units.
Input Units
Output Units
(c) The inputs are not read at the same time for all of the Units.
ON/OFF response time
Input filter time
ON/OFF response time
Input filter time
(b) Input read timing
Input is set.
Input is read into the Unit.
(a) Inputs are refreshed in order for each Unit.
(d) The interval for reading inputs is not constant.
I/O refreshing
on NX bus
Unit A
Unit B
Input refreshing
Output refreshing
Unit A
Unit B
(d) The interval for updating outputs is not constant.
(c) The outputs are not updated at the same time for all of the Units.
ON/OFF response time
ON/OFF response time
(b) Output refresh timing
(a) Outputs are refreshed in order for each Unit.
Output is updated.
Terminal status is set.
I/O refreshing
on NX bus
Input refreshing
Output refreshing
Summary of Contents for NX-EC0112
Page 13: ...11 Manual Structure NX series Position Interface Units User s Manual W524...
Page 34: ...Revision History 32 NX series Position Interface Units User s Manual W524...
Page 36: ...Sections in this Manual 34 NX series Position Interface Units User s Manual W524...
Page 78: ...3 Part Names and Functions 3 8 NX series Position Interface Units User s Manual W524...
Page 108: ...4 Installation and Wiring 4 30 NX series Position Interface Units User s Manual W524 Unit...
Page 114: ...4 Installation and Wiring 4 36 NX series Position Interface Units User s Manual W524...
Page 126: ...5 I O Refreshing Methods 5 12 NX series Position Interface Units User s Manual W524...
Page 340: ...8 Pulse Output Units 8 76 NX series Position Interface Units User s Manual W524...
Page 462: ...Appendices A 74 NX series Position Interface Units User s Manual W524...
Page 463: ...I 1 I NX series Position Interface Units User s Manual W524 Index...
Page 466: ...I 4 NX series Position Interface Units User s Manual W524 Index...