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Omron NX-OD5256 User Manual

Omron NX-OD5256
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5 - 1
5
NX-series Digital I/O Unit User’s Manual (W521)
This section describes the types and functions of I/O refreshing for the NX Units.
5-1 I/O Refreshing for Slave Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-1 I/O Refreshing from CPU Unit to Slave Terminal . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-2 I/O Refreshing Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-2-1 Types of I/O Refreshing Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-2-2 Setting the I/O Refreshing Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-2-3 Selecting NX Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-2-4 Free-Run Refreshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5-2-5 Synchronous Input Refreshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5-2-6 Synchronous Output Refreshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-2-7 Time Stamp Refreshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5-2-8 Input Refreshing with Input Changed Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
5-2-9 Output Refreshing with Specified Time Stamp . . . . . . . . . . . . . . . . . . . . . . . . 5-24
5-2-10 An Example of Turning ON Outputs at Specific Times After the Sensor Inputs
Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
I/O Refreshing

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Omron NX-OD5256 Specifications

General IconGeneral
BrandOmron
ModelNX-OD5256
CategoryI/O Systems
LanguageEnglish

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