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GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-21
4
Valid Memory Types:
Parameter flow %I %Q %M %T %S %G %R %AI %AQ const none
address •
enable •
R •
PV • • • • • • • • • •
Q • •
• Valid reference or place where power may flow through the function.
Example:
In the following example, every time input %I0012 transitions from OFF to ON, up counter
PRT_CNT counts up by 1; internal coil %M0001 is energized whenever 100 parts have been
counted. Whenever %M0001 is ON, the accumulated count is reset to zero.
| _____
| %I0012 | | %M0001
|——| |—— >UPCTR|———————————————————————————————————————————————————————————( )—
| | |
|%M0001 | |
|——| |———|R |
| | |
| | |
| | |
| CONST —|PV |
| +00100 | |
| | |
| |_____|
| PRT_CNT