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Automating Manufacturing Systems - Process Control and ...

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plc st - 19.7<br />

Time Value<br />

25ms<br />

5.5hours<br />

3days, 5hours, 6min, 36sec<br />

Examples<br />

T#25ms, T#25.0ms, TIME#25.0ms, T#-25ms, t#25ms<br />

TIME#5.3h, T#5.3h, T#5h_30m, T#5h30m<br />

TIME#3d5h6m36s, T#3d_5h_6m_36s<br />

Figure 19.8<br />

Time Duration Examples<br />

• Date values are given below. These are meant to be used to compare to system<br />

time <strong>and</strong> date clocks.<br />

description<br />

date values<br />

time of day<br />

date <strong>and</strong> time<br />

examples<br />

DATE#1996-12-25, D#1996-12-25<br />

TIME_OF_DAY#12:42:50.92, TOD#12:42:50.92<br />

DATE_AND_TIME#1996-12-25-12:42:50.92, DT#1996-12-25-12:42:50.92<br />

Figure 19.9<br />

Time <strong>and</strong> Date Examples<br />

• Basic math functions include,

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