7 sequencer, Sequencer – FUJITSU CM71-00329-7E User Manual

Page 190

Advertising
background image

180

CHAPTER2 Dependence Functions

2.4.6.7

Sequencer

This is a function to abort the program execution when the program is executedalong
with the event order specified by the user.

■ Control by Sequencer

Set two events, and set the flow in order from level 1 to level 2 as the condition for terminating the

sequencer. This sequencer is called a two-level sequencer.

Also, all previous information of the flow can be reset, and events for restarting monitoring the flow

through level 1 can be set again.

■ Operation of Sequencer

When the event for each level is set as shown below, the sequencer operates as shown in Figure 2.4-7 .

Figure 2.4-7 Example of Sequencer Operation

[Example] Level 1 : Event 1

Level 2 : Event 2
Restart : Event 3

Program execution start

Event 1 occurs

NO

YES

Level 1

YES

Break

Event 3 occurs

Event 2 occurs

NO

Level 2

YES

NO

Advertising