| 摘要 |
<p>A validation control system enables all steps in an industrial process to be monitored and data collected therefrom to be reviewed. The system includes a master validation routine which can not be altered except by specified authorised personnel. Likewise, process steps may not be varied by unauthorised persons. Any change made to the master validation routine or to any process step is logged and remains on the system in a read-only format. Reports may be drawn up on the system and viewed. The system can detect a fault in the validation system and generate an alarm which is transmitted to relevant personnel. Unauthorised access to or tampering with the system is prohibited. The system may interact with the process-controller to shut-down the process in the event of a critical error being detected by the system.</p> |
