TB0441 Removal of Redundant Drive Timer and Contactor

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Auteur avatarGareth Green | Dernière modification 17/11/2019 par Gareth Green en cours de rédaction

Removal of Redundant Drive Timer and Contactor

Technical Bulletin

TB Number: 0441
Originator: Gareth Green
Machine: Flowlines
Date: 30/04/19
Circulate to: ; Service;                                                                                                    
Title: Removal of Redundant Drive Timer and Contactor
0441 Removal of Redundant Drive Timer and Contactor Image.png


The timer and contactor were added 15 years ago on flowlines when the old DOS PC used to have a boot-up problem due to the drives switching on at the same time as the PC power supply, causing a power drain.


On a Windows PC, the original issue is no longer a problem, so the delayed start is not needed. If the timer or contactor parts fail, they can be removed, and the contactor bypassed.

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