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Automating Manufacturing Systems - Process Control and ...

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plc memory - 14.10<br />

a fault will be generated.<br />

GSV<br />

Class Name: WALLCLOCKTIME<br />

Instance Name:<br />

Attribute Name: DateTime<br />

Dest: time[0]<br />

SSV<br />

Class Name: TASK<br />

Instance Name: MainProgram<br />

Attribute Name: Watchdog<br />

Source: 200<br />

Figure 14.9<br />

Reading <strong>and</strong> Setting Status bits with GSV <strong>and</strong> SSV<br />

As always, additional classes <strong>and</strong> attributes for the status values can be found in<br />

the manuals for the processors <strong>and</strong> instructions being used.<br />

www.PA<strong>Control</strong>.com

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