Originally developed for a major oil and gas company to monitor remote wells, the Longwatch XLP Low Power Video Surveillance System is powered by solar cells and batteries. The system hibernates in a low-power standby mode until an external sensor, such as a motion detector or intrusion alarm, or a command from a central control room sends it a signal to “wake up”. The system immediately records a short “video alarm clip,” transmits it to a remote operator at a central HMI/SCADA system, and continues to record video on its disk until commanded to return to hibernation. The XLP system is ideal for the tens of thousands of well sites currently operating worldwide with traditional instrumentation network communications.
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Originally developed for a major oil and gas company to monitor remote wells, the Longwatch XLP Low Power Video Surveillance System is powered by solar cells and batteries. The system hibernates in a low-power standby mode until an external sensor, such as a motion detector or intrusion alarm, or a command from a central control room sends it a signal to “wake up”.
Longwatch added new features and functions to its Video System Version 5.0 to make it easier for users to integrate cameras in local and remote areas, combine video data with a wide variety of plant information, and enable operators to access video data from HMI terminals, cellphones or on a PC via the Internet. The enhancements integrate local and remote video systems, using existing plant infrastructure such as fibre and wireless networks, and a distributed system architecture that delivers scalability, performance and fault tolerance. The Longwatch Viewer and Video Historian bring a level of data integration capability that links video with a wide variety of plant information, such as process alarms and events, maintenance messages, batch tracking and historical trends.
One of the first images engineers at the Madison Water Utility (MWU) in Madison, Wisconsin, saw when they were installing their new Video Surveillance System from Longwatch was a platoon of uniformed soldiers, carrying M16 machine guns and creeping across the property. The water plant survived that “invasion” and now monitors 32 remote sites with video cameras that transmit over a low-speed wireless network to Wonderware HMI/SCADA operator interfaces in the control room.
The Video Historian extension for Longwatch’s Video Surveillance System enables users to acquire and store video clips linked with process and manufacturing variables such as time of day, camera number, batch step, machine ID and other control system tags. Much like a process historian that stores information about processes, the Video Historian archives video that documents procedures in batch applications, provides visual proof of regulatory compliance, monitors machinery, observes operator actions, and helps improve quality, reduce downtime and avoid costly losses.