Omron NS10-TV Series Programming Manual page 555

Section 2 NS Series Functions
NS Series Programming Manual
Transfer group
1
2
3
4
5
Example 1: Short Device Data Transfer Times
Transfer group 2
Transfer group 3
Transfer group 1
Transfer group 4
Example 2: Long Data Transfer Times for Transfer Groups 2 and 4
1 s
Transfer group 2
Transfer group 3
Transfer group 1
Transfer group 4
Even if the trigger condition is met, data will not be transferred while another transfer group is being
processed. This will create inconsistencies in the transfer cycles.
Example 3: A Trigger Occurs During Operation
Transfer group 5
Transfer group 2
Transfer group 5
Transfer group 3
Transfer group 5
Transfer group 1
Transfer group 5
Transfer group 4
Trigger
The trigger status is checked each cycle. If a trigger condition is met, cyclic transfer processing will be
interrupted to transfer the data.
Trigger condition
Cycle time: 2 s
Cycle time: 1 s
Cycle time: 1 s
Cycle time: 3 s
ON
1 s 2 s
2 s 3 s
X
1 s 2 s
3 s 4 s 5 s
4 s 5 s
X
X
3 s 4 s
O
2-506
2-22 Transferring Device Data
6 s 7 s
6 s 7 s
X X
X
X
5 s 6 s
O
7 s