Omron NX-ID User Manual page 139

Inputs
I/O refreshing
of the NX bus
Digital Input Unit A
ON/OFF response time
Digital Input Unit B
(c)
Outputs
(a) I/O refreshing for NX Units
I/O refreshing
of the NX bus
Input refreshing
Digital Output Unit A
Digital Output Unit B
NX-series Digital I/O Unit User's Manual (W521)
(a) I/O refreshing for NX Units
(d) Interval of the timing to read inputs is not constant.
Input refreshing Output refreshing
ON/OFF response time
(b)
Timing to
read inputs
Input filter time
Input filter time
Timing to read inputs for each Unit is not simultaneous.
Output refreshing
ON/OFF response time
(b)
Timing to
refresh
outputs
ON/OFF response time
(c)
Timing to refresh outputs for each Unit is not simultaneous.
(d) Interval of the timing to refresh outputs is not constant.
5 I/O Refreshing
Read inputs to the Unit
Set inputs
Refresh outputs
Set outputs
5
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