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Wireless Machine Sentinel: Advanced Vibration and Quality Monitoring for Paper Machines

The Wireless Machine Sentinel is a state-of-the-art system designed for the wireless measurement of vibration and quality signals in paper machines. Featuring a 1 kHz sampling rate with 12-bit resolution, it can handle multiple Leafnodes through an Inode structure. Operating in the 2.4 GHz ISM band with frequency hopping across 8 timeslot channels, it ensures reliable communication. The system offers 6 A/D channels, 2 digital I/O channels, and provides high-accuracy timestamps and synchronization within 32 µS. This efficient monitoring solution is crucial for maintaining machine performance and optimizing operations.

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Wireless Machine Sentinel: Advanced Vibration and Quality Monitoring for Paper Machines

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  1. Wireless Machine Sentinel • Wireless measurement of vibration and quality signals in paper machines • 1 kHz sampling time, 12 bits • Each Inode can handle 8 Leafnodes • 6 A/D channels, 2 dig.I/O-channels • 2,4 GHz ISM band, frequency hopping, 8 timeslot channels for the LeafNodes • Inodes in MESH WLAN network • Time stamps and synchronisation from any Leafnode within 32 uS accuracy • 5 Second continuous measurement

  2. Wireless Machine Sentinel 3eti Mesh Access Point 2,4 GHz,WLAN WDS WLAN Access Point INode INode INode 1. FHSS Band 2. FHSS Band Leaf Leaf Leaf Leaf Leaf Leaf Floor Coaxial Antenna Cable Leaf Leaf Leaf 2. FHSS Band Paper Machine INode Ethernet PC QMAE (RAE) Can be DaVinci Server When less than 3 QMs and No SKF

  3. Leaf Node • Block diagram Radio board IO-Board MSP 430 -data compression -signal prosessing SPI bus • Sensors • Accelemeter • Tempereture • Pressure • Trigger MSP 430 FHSS RF Module

  4. Leaf Node Antenna Radio Board Lithium Battery I/O Board Sensor Connectors

  5. Leaf Node Antenna Radio Board Lithium Battery I/O Board Sensor Connectors

  6. Sensors Acceleration Sensor Trigger sensor

  7. Sensors Optical Tachometer Air Pressure Cover Window Optical Tachometer

  8. INode

  9. Proto Version 2 INode 3eti MESH Access Point

  10. MS + Wireless Machine SentinelWiMS Machine Sentinel RAE MS application (GUI) • MS SQL • Permanents • Data history RTDR (Real-Time Data Repository) IMSAPPS Lnode Configuration Diagnostics Configuration Diagnostics Ring Buffer WiMS Inode Inode WLAN Inode Measurements Lnode IOMSYS Lnode Lnode RS485 UDP/IP server WinRT driver PC DAQ QM QM QM

  11. MS + WiMS GUI Server (W2003/XP) PCI DAQ Ethernet SDAQ SDAQ SDAQ RS485 2Mbit/s WLAN Inode Inode Inode LN LN LN LN LN LN

  12. Time Series interface

  13. Roundness Profile

  14. Spectrum of Timeseries

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