![]() ![]() The accumulated value is reset when rung condition goes false.įor SLC-500 processor the time base can be selected as 0.01 sec or 1.0 sec. The timed contact can be used throughout the program as an NO or NC contact. When the accumulated time equals the preset time, the output is energized, and the timed output contact associated with the output is closed. Once the rung has continuity, the timer begins counting time-based intervals and times until the accumulated value equals the preset value. This instruction is programmed to provide time delay action. The timer instructions include: Timer On-Delay (TON) Also included, as part of the timer instruction is the time base of the timer, the timer’s preset value, and the accumulated value. ![]() The timer is assigned an address as well as being identified as a timer. They are used to activate or de-activate a device after a preset interval of time. Timers and counters are internal instructions that provide the same functions as timing relays and counters. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |