EN 528:2008 Standard Insights
Automated Storage & Retrieval Systems (ASRS) systems are an application for Fortress driven by machine standards.
EN528 Rail dependent storage and retrieval equipment - Safety requirements includes the following points:
5.3.2 Prevention of Unauthorised Operation
A key operated switch shall be fitted to the control panel of each machine to prevent authorized operation. It shall only be possible to remove the key in the ‘off’ position.
This key allows operator control for commissioning or fault finding.
220.127.116.11 Enclosure. Doors And/Or Removable Panels
Doors shall be constructed so that they can be opened from the outside with a key.
The keys shall be the same key for the switches in 5.3.2.