Digital Output Units - Omron NX-ID3343 User Manual

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Digital Output Units

Function name
Free-Run Refreshing
Synchronous I/O Refresh-
ing
Time Stamp Refreshing
Output refreshing
with specified time
stamp
Load Rejection Output
Setting
Load Short-circuit Protec-
tion
NX-series Digital I/O Unit User's Manual (W521)
Description
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.
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.
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.
With this I/O refreshing method, the Output Units refresh out-
puts at specified DC times.
A function that performs the preset output operation when the
Digital Output Unit cannot receive output data due to a host
error on the Communications Coupler Unit or an error on the
NX bus.
A function in which the output will turn OFF to protect the out-
put circuit when an overload or load short-circuit occurs due to
a failure of the connected external devices.
1 Features and System Configuration
Reference
5-2-4 Free-Run
Refreshing on
page 5-5
1
5-2-6 Synchro-
nous Output
Refreshing on
page 5-13
5-2-7 Time Stamp
Refreshing on
page 5-18
5-2-9 Output
Refreshing with
Specified Time
Stamp on page
5-24
7-4-2 Load Rejec-
tion Output Setting
on page 7-12
7-4-3 Load
Short-circuit Pro-
tection on page
7-18
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