Upgrading V Notch Safety on TwinSAFE Machines : Différence entre versions

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The wiring in the system needs to be changed to utilise more of the safety functions inside the saftey switches that are fitted to the doors. The diagrams below show how the doors are wired from factory and how the wiring should be changed to make the machine safe.
 
The wiring in the system needs to be changed to utilise more of the safety functions inside the saftey switches that are fitted to the doors. The diagrams below show how the doors are wired from factory and how the wiring should be changed to make the machine safe.
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Version du 29 août 2023 à 10:30

Auteur avatarStuga Engineer | Dernière modification 29/08/2023 par Stuga Engineer en cours de rédaction

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An issue has been found on ZX machines using TwinSAFE for the saftey system where under a certain condition can mean that the MH Doors can be opened whilst the V Notch Blades are spinning. This document provides all the required information to change the wiring on the machines to make the system safe.

Sommaire

What is the issue that needs resolving?

The operators are able to open the Multihead doors whilst V notch motors are still spinning.

Root cause was the front solenoid lock full of swarf preventing the locking mechanism working.

This has defeated the safety system because the locking safety switch has not been fed back into the safety system.

This only affects TwinSAFE machines:

Z054, Z056, Z057, Z063 to Z070


How do we solve the issue?

The wiring in the system needs to be changed to utilise more of the safety functions inside the saftey switches that are fitted to the doors. The diagrams below show how the doors are wired from factory and how the wiring should be changed to make the machine safe.


R0019167 Pg1.jpg
R0019167 Pg2.jpg


R0019167 Pg3.jpg


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