Omron NX-ID - Page 148

5 I/O Refreshing
5 - 18
NX-series Digital I/O Unit User’s Manual (W521)
Same as the settings for synchronous input refreshing. Refer to Settings in 5-2-5 Synchronous Input
Refreshing on page 5-12 for details.
Settings
Offset between Sync0 and timing to refresh outputs
This time is automatically calculated by the Sysmac Studio.
(c) Interval of I/O refreshing
is not constant.
I/O refreshing synchronization
The longest DA conversion time
is within one cycle.
(d) Interval of Sync0 is constant.
(b) The Communication Coupler Unit refreshes
the output values at I/O refreshing.
Timing to refresh
outputs
Sync0
Sync0
1234
Sync0
ConstantConstant
1234
Output 1 Output 2
DA conversion
time
12341234
Output 2
12341234
Output 1 Output 2
Digital Output Unit A
Digital Output Unit B
Analog Output Unit A
Analog Output Unit B
Not constant.
(e) ConstantConstantConstant
Output 1
Wait time
Wait time
ON/OFF
response
time
I/O refreshing
of the NX bus
(a) All Outputs Units that support synchronous
output refreshing read their outputs simultaneously.
(f) Set outputs
Input refreshing
Output refreshing