< 5. Ladder Program Training >
5-17
TI 34M6A82-01E
2nd Edition : Nov. 1, 2002-00
5.3 Exercise 2 (Circuit Design Using Tag Names
and Local Devices)
In Exercise 2, you will use tag names to design circuits, and then assign physical
addresses to the tag names. You will use timers and counters as local devices.
5.3.1 Edit Ladder Diagram
Outline of Exercise 2
In Exercise 2, you use tag names to design circuits instead of using physical addresses.
When designing circuits, copy the ladder diagram you created in DEMO 1 and modify it
by adding devices.
When you set the input switch (START) to ON, the counter (C0001) is started. When
the counter counts three pulses (1-second cycle), the timer (T0001) is started. The timer
times out 3 seconds after its start-up and resets the counter. These processes are
carried out repeatedly.
When you set another input switch (STOP) to ON, the ladder circuit stops its operation.
