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Ardein

Automatizarea unui simplu proces

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Salut,

 

Am un motor pe care vreau sa-l pornesc direct de la retea, sa se automentina. Se mai aduga faptul ca vreau sa am schimbare de sens la el.

 

Pentru forta folosesc 3 contactoare: 1 pentru alimentare, 1 pentru sesul A, si unul pentru sensul B.

 

Bobinele contactoarelor au tensiunea de comanda de 24 V DC a.i sa poata fi legate directa la cartela de iesire a PLC-ului.

 

Automentinerea trebuie facuta neaparat printr-un contact auxiliar fizic? Sau e corecta vresiunea in care motorul meu se automentine printr-o memorie a PLC-ului.

 

Aceeasi intrebare in cazul comutatiei dintre cele doua sensuri (practic in plc am interblocajele realizate prin memorii)

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Ce se ?nt?mpl? dac? se defecteaz? PLC-ul? S?nt blocat p?n? la depanarea lui?

Dac? depanarea dureaz? 2 luni pentru c? trebuie trimis la firm?, ?n Germania, de exemplu?

?n mod normal, ar trebui ca schema s? permit? o func?ionare ?i pe manual.

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Ce se ?nt?mpl? dac? se defecteaz? PLC-ul? S?nt blocat p?n? la depanarea lui?
Dac? depanarea dureaz? 2 luni pentru c? trebuie trimis la firm?, ?n Germania, de exemplu?
?n mod normal, ar trebui ca schema s? permit? o func?ionare ?i pe manual.

 

 

Bun raspuns :D

 

Am inteles, 

 

Multumesc

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