15. UDTs Explained: User-Defined Data Types for Industrial Devices


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As Studio 5000 projects become larger, tag organization becomes increasingly important.

A small machine may only have a few motors, valves, sensors, and alarms. In that type of project, individual tags …

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16. PLC Counters: CTU, CTD, and One-Shots ( 16 of 35 )


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In industrial automation, PLC counters are used when a machine needs to count events.

A counter can count:

Parts
Boxes
Bottles
Cycles
Machine strokes
Rejects
Pallets
Sensor pulses
Production totals

A counter does not count time.A counter counts how many times …

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