Rockwell Automation 1440-VLF02-01RA XM-121 Absolute Shaft Module User Manual
Page 84

Publication GMSI10-UM014D-EN-P - May 2010
76 Specifications
Measured Parameters
Shaft Relative
(Eddy Current Probe)
Case Absolute
(Velocity or Accelerometer)
Shaft Absolute
(Calculated)
Speed
Overall
1x Magnitude
1x Phase
Gap (volts)
Output units selectable as either Velocity or
Displacement
Overall
1X Magnitude
1X Phase
Bias (volts)
Overall
1X Magnitude
1X Phase
RPM
Alarms
Number
Operators
Hysteresis
Startup Inhibit/Set Point Multiplication
Speed Inhibit
9 alarm and danger pairs
Shaft Absolute Overall
Shaft Absolute 1X Magnitude
Shaft Relative Overall
Casing Absolute Overall
Shaft Relative 1X Magnitude
Casing Absolute 1X Magnitude
Probe Gap
Accelerometer Bias
Speed
Greater than
Less than
Inside range
Outside range
User configurable in software
Period: 0 to 1092 minutes in 0.1 minute
increments
Inhibit/Multiplication Function: Multiply by
N (0 to 10, 0 = Disarm)
A speed range may be specified for each
alarm. When applied, the alarm is disabled
when speed is outside of the defined range.
XM-121 Absolute Shaft Technical Specifications
Product Feature
Specification