Rockwell Automation 441-PEN25 Enpac Ex Data Collector - Manual (Page 119)

Publication GMSI00-UM001A-EN-E - February 2005
Enpac Ex Parameters 113
Coupling The type of coupling that will be applied to the
measurement.
• AC - AC-couples the input voltage signal.
• DC - DC-couples the input voltage signal.
• ICP - Selects a standard ICP accelerometer
requiring a current source power supply.
Options: AC
DC
ICP
Detection The measurement (or calculation) performed on the
input signal.
• RMS - The Enpac Ex measures the dynamic signal
as the square root of the mean of the square. Use
this or the Peak setting for most acceleration and
velocity measurements. Use this also for time
waveform, voltage, and process (DC) voltage
measurements.
• Peak - The Enpac Ex measures the dynamic signal
from zero to peak voltage. Use this or the RMS
setting for most acceleration and velocity
measurements.
• Pk-Pk - The Enpac Ex measures the dynamic
signal from the minimum peak to the maximum
peak. Use this setting for most displacement
measurements.
• True Peak - Use to detect impacts and random
transients. The dynamic time signal contains the
absolute value of the largest peak (positive or
negative) within a specified time window. Returns
a magnitude value only. If used with a spectrum
measurement, Emonitor uses a Peak detection type
instead. This value is not calculated but is
measured directly.
• True Pk-Pk - Use to detect impacts and random
transients. The dynamic time signal contains the
absolute value of the largest peak to peak distance
within a specified time window. Returns a
magnitude value only. If used with a spectrum
measurement, Emonitor uses a Peak-Peak
detection type instead. This value is not calculated
but is measured directly.
Options: RMS
Peak
Pk-Pk
True Peak
True Pk-Pk
Sensitivity The sensitivity of the transducer. The sensitivity value is included with
the transducer’s documentation or it
may be imprinted on the side of the
transducer.
Default value is 100m V/EU
(Engineering Unit)
Offroute User Parameters
Parameter Name Description Values/Comments