User's Manual
Table Of Contents
- Home
- Contents
- CSI 2140 Machinery Health Analyzer
- Introduction to the analyzer
- Transfer files with CSI 2140
- AMS Machinery Manager Data Transfer
- AMS Machinery Manager Standalone Data Transfer application
- Communication setup
- Routes and jobs
- Load a route from AMS Machinery Manager into the analyzer
- Load multiple routes from AMS Machinery Manager to the analyzer
- Load a Balance job from AMS Machinery Manager into the analyzer
- Dump a job from the analyzer to AMS Machinery Manager
- Dump a route from the analyzer to AMS Machinery Manager
- Dump a route or job from the analyzer to a folder on a computer
- Analyzer firmware and programs
- Screen captures
- Splash screens
- Printing
- Route
- Route overview
- Manage routes
- Set data collection and display parameters
- Set the plot type for collected data
- Enable or disable Point Advance to automatically move to the next measurement point
- Set High Frequency Detection averages
- Set the route data storage mode
- Set the overlap
- Set the plot type for live data
- Set the overall mode
- Set the integrate mode
- Enable or disable multi-channel group data collection
- Display a summary of data collected for grouped measurement points
- View or hide warning alarms on the Route Data Collection screen
- Restore default values for route data collection and display parameters
- Override the sensor setup for a route
- Enter new speed or load for a measurement point
- Tachometers
- Multiple inputs and measurements
- Collect route data
- Notes
- Plot data
- Run Analyze to collect data for a route measurement point
- View the measurement point setup and history
- Route reports
- Plots
- Analyze and Advanced Analyze
- Analyze overview
- Manage jobs
- Job Setup
- View all saved Analyze jobs
- Create an Analyze job
- Open a saved Analyze job
- Change the job ID
- Edit the equipment ID and description in a job
- Edit the measurement ID and description in a job
- Add a measurement
- Delete a measurement
- Delete data from the current measurement point
- Save a job to equipment in a route
- Set display parameters
- Multi-input measurements
- Sensors and inputs
- Tachometers
- Common data collection parameters
- Collecting data using an Analysis Expert
- Recommended uses of Analysis Experts
- Enable or disable the help text in the Analysis Experts
- High Frequency Analysis
- High Resolution Analysis
- Bearing/Gear Analysis - PeakVue
- Low Frequency Analysis - Slow Speed Technology
- Turning Speed Detection
- Laser Speed Detection
- Bump Tests
- Bump Test Equipment Off
- Bump Test Equipment Running
- Coast Down Peak Hold
- Coast Down Peak and Phase
- Rotor Bar Test Motor Current
- Order Tracking
- Synchronous Analysis
- Synchronous Analysis and Synchronous Averaging
- Orbit Plot
- Cross Channel Amplitude/Phase
- Collect data using Manual Analyze
- Listen to live vibration data in Analyze
- Redo a measurement
- Store data to a route or a job
- Review collected data
- Print an Analyze plot to AMS Machinery Manager
- Print a plot to a memory card
- Reset Analyze defaults
- Advanced Transient
- ODS/Modal
- ODS/Modal overview
- Manage jobs
- Sensors and inputs
- Tachometers
- Set up the plots
- Set up the job
- Collect ODS/Modal data
- Display the data for a measurement point
- Print an ODS/Modal plot to AMS Machinery Manager
- Print an ODS/Modal plot to a memory card
- Balance
- Balance overview
- Manage jobs
- Job Setup
- Sensor Setup
- Measurement Plane Setup
- Weight Plane Setup
- Acquire Data
- Balance correction
- Trim run
- One-run balance job
- Notes
- Balance summary reports
- Review balance data
- Manually enter balance job data
- Calculator Mode
- Determine another location to place weights
- Combine multiple weights on a rotor
- Calculate a new balance solution to use only the available weights
- Calculate weight placement using static and couple components
- Estimate trial weights
- Calculate weight location around the outside rotor circumference
- Calculate new balance solution to use only available locations and weights
- Amplification Factor
- Convert magnitude or frequency values to a different measurement unit
- Tips and additional information
- Balance accessories
- Technical specifications
- Glossary
- Index
8 ODS/Modal
Topics covered in this chapter:
• ODS/Modal overview
• Manage jobs
• Sensors and inputs
• Tachometers
• Set up the plots
• Set up the job
• Collect ODS/Modal data
• Display the data for a measurement point
• Print an ODS/Modal plot to AMS Machinery Manager
• Print an ODS/Modal plot to a memory card
8.1 ODS/Modal overview
The ODS/Modal program lets you collect cross-channel ODS and Modal data. Modal analysis
is the process of determining the modal characteristics, including natural frequency, mode
shape, and damping of an elastic structure. ODS stands for operating deflection shape. Use
a dual or four channel analyzer for ODS testing. For more efficient data collection, use the
four-channel analyzer with four sensors or a single accelerometer and triax sensor. Collect
two, three, and four channel waveform and spectra data (ODS data only) or two, three,
and four channel impact data (Modal data only).
You need to collect phase and magnitude data. The analyzer formats the data for use with
ME'scope VES
™
. Upload the data to AMS Machinery Manager Data Transfer, view the data
from Vibration Analysis, and then export the data to ME'scope VES
™
for analysis. The
Advanced Cross Channel program is included with all two and four channel CSI 2140
analyzers.
An ODS is the deflection of a structure at a particular frequency. However, an ODS can be
any forced motion of two or more points on a structure. Specify the motion of two or more
points to define a shape, which is the motion of one point relative to all others. Motion is a
vector quantity that has location and direction, which is also called a Degree of Freedom
(DOF). The magnitude of the frequency when resonance occurs depends on the
distribution of mass (weight) and stiffness of a structure.
To use the ODS/Modal program:
1.
Create a job or activate a saved job. You must use a job to save your data.
2. Set the tachometer or sensor.
3. Set up the plots.
4. Set up the job and its data collection parameters.
ODS/Modal
161
DRAFT