Rockwell Automation FactoryTalk Scheduler Users Guide - Manual (Page 37)

4 • S CHEDULING F EATURES
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The second example extends the previous one by allowing two sets of parallel operations.
In this example, the first two operations, labeled 10, can be performed independently, but
both need to be completed before the next two operations, labeled 20, which can be
performed independently.
20
(30)
10
(10)
10
(20)
Immediate Successor Table
OSN Scheme Operation
Number
ISO Scheme Operation
Number
Immediate Successor
Operation Number
10 10 30
10 20 30
20 30
10
10
(20)
30
(50)
20
(30)
20
(40)
Immediate Successor Table
OSN Scheme Operation
Number
ISO Scheme Operation
Number
Immediate Successor
Operation Number
10 10 30 & 40
10 20 30 & 40
20 30 50
20 40 50
30 50