Omron NX-ID3343 User Manual

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6 Digital Input Units
NX-series Digital I/O Unit User’s Manual (W521)
6-4 Function
6
6-4-1 List of Digital Input Unit Functions
6-4 Function
This section describes the Digital Input Unit functions.
Refer to the specifications of each model in A-1 Data Sheet on page A-2 for details on the functions.
6-4-1 List of Digital Input Unit Functions
Function name Description Reference
Free-Run Refreshing With this I/O refreshing method, the refresh cycle of the NX
bus and the I/O refresh cycles of the NX Units are asynchro-
nous.
5-2-4 Free-Run
Refreshing on
page 5-5
Synchronous I/O Refresh-
ing
With this I/O refreshing method, the timing to read inputs or to
refresh outputs is synchronous on a fixed interval between
more than one NX Unit on more than one Slave Terminal.
5-2-5 Synchro-
nous Input
Refreshing on
page 5-9
Time Stamp Refreshing With this I/O refreshing method, the NX Units record the DC
times when inputs change or perform outputs 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.
5-2-7 Time Stamp
Refreshing on
page 5-18
Input refreshing
with input changed
time
With this I/O refreshing method, the Input Units record the DC
times when inputs changed.
5-2-8 Input
Refreshing with
Input Changed
Time on page 5-19
Input Filter This function eliminates the chattering or the noises from input
signals. It is used to prevent the error reading due to the
noises. You can set the filter time constant.
6-4-2 Input Filter
on page 6-14

Omron NX-ID3343 Specifications

General

Brand	Omron
Model	NX-ID3343
Category	I/O Systems
Language	English