Watlow LogicPro Uživatelský manuál stáhnout pdf (Strana 90)

Chapter 7: Sequential Function Charts LogicPro User’s Guide

74 Watlow Anafaze Doc.# 28002-00 Rev 3.00

You can insert Steps into your SFCs with the [Step] tool.

Select the [Step] tool from the toolbar, click anywhere on the

screen, and place the Step into the application work area as

needed.

Simultaneous Transition

Transitions determine when the process ﬂow passes from a

preceding Step to the successive Step along the directed link.

Simultaneous Transitions are represented by a horizontal line

across the vertical directed link. Each Transition has an

associated Transition condition, a single Boolean expression.

Transition names are local to the program in which the

Transition is located.

Figure 7.1 Simultaneous Transition

Inserting a Simultaneous Transition

To insert a Transition from one Step to the next:

1. Select the [Simultaneous Transition] tool.

2. Click and drag from the inside of one Step to the inside

of another Step. A directed link with one Transition

appears.

3. To add parallel directed links, click and drag from the

Transition to the inside of a Step.

Directed Links

Transition

Condition

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 295 296

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Watlow LogicPro Uživatelský manuál Strana 90