In this animated object, learners examine three data compare instructions used by programmable logic controllers (PLCs). A practical application to show how these instructions are used in an industrial setting is provided.

Learners examine the two methods used by programmable logic controllers to perform a counting operation using addition or counter instructions. A brief quiz completes the activity.

Learners observe how to cascade PLC counters to extend the maximum count of one counter.

In this animated object, learners examine the operation and programming requirements of a PLC Examine-Off instruction. A brief quiz completes the activity.

In this animated object, learners examine the proper way to reset a counter instruction in a programmable controller.

In this interactive and animated object, learners study how to wire field devices to a PLC sourcing input module. A brief quiz completes the activity.

Learners study the method of cascading two or more PLC timers to extend their time capacity.

Learners study the descriptions of the three words in a PLC timer: EN, DN, and TT. They then test their knowledge in a brief quiz.

Learners examine the functions of the three types of memory used by an Allen-Bradley SLC-500 programmable logic controller: the Executive ROM, Scratch Pad, and Processor File.

Learners examine an animated view of the operation and programming requirements of a PLC Examine-On instruction. A brief quiz completes the activity.

In this animated object, learners study the problems that develop if the scan time of a PLC is too slow.

In this animated object, learners examine the operation of up-counters and down-counters for a programmable controller. A brief quiz completes the activity.

In this animated object, learners examine the types of information to enter, and the sequence of steps required, to program a programmable logic controller (PLC) timer.

In this animated object, learners examine how to use a programmable logic controller as an alternative to hardwiring a ladder logic circuit.

In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.

Learners examine the three steps of a processor scan cycle.

Learners examine the sourcing and sinking of conventional current at a PLC output module and the type of field device to which it is connected. This interactive learning object includes six quiz questions.

In this animated learning object, students examine the addresses of PLC elements and how they pertain to I/O connections and internal memory files.

Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.

In this animated object, learners examine how to wire field devices to a PLC sinking input module.