1 / 13

TIMERS

TIMERS. When and how to use them. In process controls the timing is often really important; a stable time basis is necessary to sincronyse all the steps of signalling plants (e.g. traffic light plants). Traffic light simulation system.

borka
Télécharger la présentation

TIMERS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. TIMERS When and how to use them Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  2. In process controls the timing is often really important; a stable time basis is necessary to sincronyse all the steps of signalling plants (e.g. traffic light plants) Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  3. Traffic light simulation system Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  4. it is sometimes possible to measure a quantity, controlling the length of time the action requires (e.g. the radius lift arm which takes the inert materials necessary to produce concrete) Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  5. Radius lift arm Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  6. it is sometimes necessary to verify that a certain action is over within the given time or to stop it (time out alarm) Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  7. Automatic gate Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  8. TIMERS are tha macro instructions available in every PLC (programmable logic controller) in order to control the processes mentioned before. Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  9. S_VIMP = timer typeS = set inputTW = time constantR = reset inputT no. = timer numberQ = output timerDUAL = time missing to the end, in Binary codeDEZ = time missing to the end, in BCD code Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  10. S_EVERZ = timer typeS = set inputTW = time constantR = reset inputT no. = timer numberQ = output timerDUAL = time missing to the end, in Binary codeDEZ = time missing to the end, in BCD code Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  11. S_SEVERZ = timer typeS = set inputTW = time constantR = reset inputT no. = timer numberQ = output timerDUAL = time missing to the end, in Binary codeDEZ = time missing to the end, in BCD code Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  12. S_AVERZ = timer typeS = set inputTW = time constantR = reset inputT no. = timer numberQ = output timerDUAL = time missing to the end, in Binary codeDEZ = time missing to the end, in BCD code Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

  13. BIBLIOGRAPHY:Siemens Simatic Software Ladder Logic Programming manual Dott. Ing. Alessandro Paganin - I.T.I. Malignani UDINE

More Related