The continuous monitoring of vibration caused by motors and machinery as well as decentralized power production plants as wind power plants is increasingly gaining economic significance. Continuous on-line monitoring and technical diagnosis help to improve availability of aggregates, since service and repair schedules may be optimized.

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The SWING acoustic and vibration monitoring system is a compact and low-cost measurement system based on a robust, fan-less, wall-mounted industrial PC with two slots for Apollo PCIe measuring cards.

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Due to its reasonable price SWING is also suited for machines which until now have not been monitored for cost reasons. A well-documented TCP/IP interface safeguards integration into higher-level software structures. The SWING monitoring stations allow connection to a network. If required, the maintenance department, the diagnostics service supplier and further authorized persons may access the measured values or are regularly informed on operation and alarm modes by the individual measuring stations.

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The cabinet contains the AC power supply, an uninterruptible power supply (UPS) including a back-up battery and a terminal block for the connection of sensor in a user-friendly arrangement . The UPS bridges short power failures and safeguards termination of the measurement, transmission of a fault report and proper shut-down of the computer in case of long-term power failures. When the power supply is restored, the system automatically resumes measurement.

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We have developed a new cooling design for the SWING_MK2 monitoring station to match the requirements for the use in hot climates. The PC is equipped with a large heat sink mounted to the exterior of the cabinet door to prevent the PC from generating additional heat within the cabinet.