CONTENTS
4
NX-series Digital I/O Unit User’s Manual (W521)
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
Section 6 Digital Input Units
6-1 Types of Digital Input Units................................................................................................... 6-2
6-2 Specifications of I/O Data ..................................................................................................... 6-4
6-2-1 Allocable I/O Data ....................................................................................................................... 6-4
6-3 List of Settings....................................................................................................................... 6-7
6-4 Function ............................................................................................................................... 6-13
6-4-1 List of Digital Input Unit Functions............................................................................................. 6-13
6-4-2 Input Filter ................................................................................................................................. 6-14
Section 7 Digital Output Units
7-1 Types of Digital Output Units................................................................................................7-2
7-2 Specifications of I/O Data ..................................................................................................... 7-4
7-2-1 Allocable I/O Data ....................................................................................................................... 7-4
7-3 List of Settings....................................................................................................................... 7-8
7-4 Function ............................................................................................................................... 7-11
7-4-1 List of Digital Output Unit Functions.......................................................................................... 7-11
7-4-2 Load Rejection Output Setting ..................................................................................................7-12
7-4-3 Load Short-circuit Protection..................................................................................................... 7-18
7-5 Push-pull Output ................................................................................................................. 7-20
7-6 Precautions when Using the Relay Output Units ............................................................. 7-21
Section 8 Digital Mixed I/O Units
8-1 Types of Digital Mixed I/O Units ........................................................................................... 8-2
8-2 Specifications of I/O Data ..................................................................................................... 8-3
8-2-1 Allocable I/O Data ....................................................................................................................... 8-3
8-3 List of Settings....................................................................................................................... 8-5
8-3-1 Input Settings ..............................................................................................................................8-5
8-3-2 Output Settings ........................................................................................................................... 8-6
8-4 Function ................................................................................................................................. 8-7
8-4-1 List of Input Functions................................................................................................................. 8-7
8-4-2 Output Functions......................................................................................................................... 8-7
Section 9 Troubleshooting
9-1 How to Check for Errors ....................................................................................................... 9-2
9-2 Checking for Errors with the Indicators .............................................................................. 9-3
9-3 Checking for Errors and Troubleshooting on the Sysmac Studio.................................... 9-5
9-3-1 Checking for Errors from the Sysmac Studio ..............................................................................9-5
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