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Chapter 3
Setting Up Measurements
Setting Up Measurement
Definitions
86
The Emonitor and the Dynamic 2500 data collector can collect and store a wide
range of measurements. A few questions can arise when determining how the
Emonitor software works with the Dynamix 2500 data collector for each
different type of measurement definition:
• How does the Emonitor software handle measurement units and alarms
available in the Emonitor software but not supported in the Dynamix
2500 data collector?
• How many orders of magnitude and phase can the Dynamix 2500 data
collector collect?
• How does the Dynamix 2500 data collector support collecting a spectrum
when a magnitude measurement is in alarm?
The Emonitor software combines measurement definitions when it creates a load
file from a list of measurement definitions. For example, the Emonitor software
can combine the measurement definitions at a location so that the data collector
collects all the measurements at one time. This makes data collection faster and
more efficient because you do not have to start each measurement individually.
The Emonitor software and the Dynamix 2500 data collector are designed to
make collecting data as quick and efficient as possible. To shorten data collection
time, the Emonitor software combines two or more measurement definitions at a
location into a single measurement. This lets you collect two or more
measurements by pressing a single key on the Dynamix 2500 data collector.
For more general information on setting up measurement definitions, see the
Emonitor software online help.
Magnitude Measurement Definitions
The Emonitor software and the Dynamix 2500 data collector support magnitude
measurement definitions. This topic lists the unique characteristics of the
Dynamix 2500 data collector that you may need to know when setting up and
collecting magnitude data.
Measurement Units Not Supported in the Dynamic 2500 Data Collector
• Magnitude measurement definitions with unit not supported by the
Dynamix 2500 data collector map to units of USER (eus) in the data
collector. This results in a process (DC) voltage measurement.
• For a list of supported measurement units, see
page
74.
When you display a measurement definition in the data collector with an
unsupported unit, it chooses the USER (eus) units. You can still collect and store
data using unsupported units.
Rockwell Automation Publication 1441-UM001B-EN-P - September 2012
Measurement Units on
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