Vibration Monitoring System M 14 Metra Mess und

Vibration Monitoring System M 14 Metra Mess- und Frequenztechnik in Radebeul e. K. www. MMF. de

Vibration Monitoring System M 14 Applications • • • Monitoring of vibration severity (velocity) at rotating machinery to ISO 20816 -1 (formerly ISO 10816 -1) und reciprocating machinery to ISO 10816 -6 (VDI 2063) Monitoring of roller bearings Remote maintenance Visualization of machine condition via digital networks Emergency shut-down or alarming at high vibration levels, e. g. at pumps, compressors, centrifuges, blower fans, mixers … Quality control in production lines Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 2

Vibration Monitoring System M 14 Sensors • Piezoelectric accelerometers with IEPE output Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 3

Vibration Monitoring System M 14 Measuring functions M 14 Monitoring in Time Domain: Monitoring in Frequency Domain: • • • Frequency analysis (FFT) of vibration acceleration • 2 frequency ranges: 1. 4 and 11 k. Hz • Free adjustable limit curve RMS and peak measurement Vibration acceleration and velocity Frequency range 0. 3 Hz to 10 k. Hz High pass and low pass filtering Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 4

Vibration Monitoring System M 14 Alarm Functions Monitoring in Time Domain: Monitoring in Frequency Domain: • Adjustable alarm limit • Adjustable delay and hold time • Warning limit in percent of alarm • Limit curve with 10 frequency/ Amplitude points • Warning limit in percent of alarm Relay outputs for warning and alarm Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 5

Vibration Monitoring System M 14 Teach-in Function for the Alarm Limit • Automatic adjustment of the alarm threshold by a pushbutton • The current vibration level is measured, multiplied with a user-selectable factor and saved as new alarm limit • The FFT mode also features a teach-in function: Ten frequency band of equal width get an individual alarm limit depending on the highest amplitude in the respective band Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 6

Vibration Monitoring System M 14 Digital Interfaces USB socket (Mini) at front panel for setup and measurement RS-485 serial bus interface at rear side via DIN rail contacts for setup and measurement • Cable-free plug connection • Up to 32 modules in parallel • Also provides supply voltage Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 7

Vibration Monitoring System M 14 Outputs • 2 relay outputs (Photo. MOS; 60 V / 0. 5 A) for warning and alarm • Isolated 4 -20 m. A current loop output • Wide-band signal output Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 8

Vibration Monitoring System M 14 LEDs at Front Panel • 10 LED bar graph (green / red) - Red LEDs indicate vibration above warning limit - Full bar graph indicates that the alarm limit is reached • IEPE sensor indicator (yellow: OK; red: cable or sensor fault) • Overload Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 9

Vibration Monitoring System M 14 Special Features • • • Measurement of overall values (RMS / peak) and frequency analysis Very compact design Simple installation, easy wiring Convenient setup via USB and free PC setup software tool RS-485 -Bus for control equipment (PLCs, panel meters, recorders etc. ) Level indication by LED bar graph Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 10

Vibration Monitoring System M 14 Setup via USB • • USB connector at front side Virtual COM port mode Free Lab. View based setup tool ASCII command set for settings and measurement Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 11

Vibration Monitoring System M 14 Measurement via USB Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 12

Vibration Monitoring System M 14 Setup and Measurement via RS-485 • • • Two-wire interface at rear side (DIN rail) Up to 32 M 14 modules per bus Robust interface, cheap cables, can be some hundred meters long ASCII command set for all settings and measuring functions published Modules are addressed by their serial numbers Examples: Set filter of module no. 170 884 at 1 Hz to 11. 5 k. Hz #170884 F 0806<CR> Answer: /a Fetch RMS / peak values from module no. 170 884 #170884 M<CR> Answer: 22. 81 23. 52 (+ checksum) • RS-485 suitable for the integration into factory control systems (PLC, SCADA etc. ) Metra Mess- und Frequenztechnik Radebeul / Germany www. MMF. de 13