Transcript Slide 1
Protection against damage and downtime Emotron M20 Shaft Power Monitor © Emotron AB Emotron M20 – efficient protection • Unique shaft power calculation • Uses motor as a sensor • Increased reliability • Reduced maintenance costs • Low-cost installation © Emotron AB Preventive action saves money • Efficient and reliable operation Load • Reduced maintenance costs Overload stop Overload warning • Short pay-back time Normal load curve • Early warning or stop • Pump is running dry Underload warning • Scraper blade is damaged Underload stop Time • Crusher is jammed © Emotron AB Unique shaft power monitoring kW/A/φ° Shaft power Current Phase angle Input power • Unique monitoring technique • Shaft power = Input power – Power loss • Accurate value over the whole load range • More reliable supervision Motor load 100% © Emotron AB Uses motor as a sensor • Uses drive motor as a sensor • No sensors or extra cabling • No holes in pipes • Increased reliability • Reduced installation costs • Reduced maintenance © Emotron AB Direct correlation to pump curve Head (mvp) • Prevents dry-running and cavitation Warning dry-running Warning cavitation Pump • Direct correlation to pump curve • Set max. and min. load levels for pump and motor Operational area Flow Motor shaft power • Immediately detects overor underload Operational area Load © Emotron AB Higher accuracy with scalable signal Machine load Emotron M20 scaled output signal Unscaled output signal • Unique scalable analogue output signal 100% • Machine load scaled to actual working range 70% Actual working range • Reliable monitoring also when small load variations 30% Output signal mA 0 6 14 20 • Input to indicating instruments, controllers, PLC © Emotron AB Low-cost installation • Reduced installation costs • Uses motor as a sensor • No external sensors • No holes in pipes • Monitors via current transformer • No external transmitters • Minimized wiring © Emotron AB Enter your settings in three seconds • Unique Auto set feature • Set four protection points in three seconds • Press Auto set during normal operation • Warning and stop levels calculated automatically © Emotron AB Zero maintenance • Higher reliability and reduced maintenance • Replaces costly and servicedemanding components • Solid-state device with no moving parts • Installed away from hostile operating area © Emotron AB Protection to meet your needs © Emotron AB Pumps • Warns or stops the pump • Risk of dry-running or cavitation • Motor does not drive the pump • Low flow, closed valve, blocked pipe etc. • Reduced maintenance costs • Increased reliability • Less downtime © Emotron AB Mixers • Warns or stops the mixer • Damaged mixer blade • Shaft oscillation • Viscosity is right • Reduced maintenance costs • Increased reliability • Less downtime © Emotron AB Scrapers • Warns or stops the scrapers • Jamming • Damaged scraper blade • Reduced maintenance costs • Increased reliability • Less downtime © Emotron AB Crushers, conveyor systems etc. • Warns or stops the process • Jamming occurs • Material runs out • Reduced maintenance costs • Increased reliability • Less downtime © Emotron AB Technical data Emotron M20 Supply voltage 100-240 / 380-500 / 525-690 VAC Frequency 50 / 60 Hz Rated current Up to 999 A via current transformer Protection class IP20 Approvals CU, UL, cUL © Emotron AB A dedicated product portfolio • PROTECT Emotron Shaft Power Monitors • START • PROTECT • STOP Emotron Softstarters • START • PROTECT • CONTROL • STOP Emotron Variable Speed Drives © Emotron AB