Rockwell Automation 1440-VAD02-01RA XM-123 Aeroderivative Module - Manual (Page 90)

Publication GMSI10-UM003D-EN-P - May 2010
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Inputs
2 Channels
Transducer Power
Voltage Range
Sensitivity
Input Impedance
Eddy current transducer signals
Accelerometer signals
Voltage signals from any dynamic
measurement device, such as a velocity or
pressure transducer
Constant current (4.5 mA ± 20% from
+24V dc)*
None (voltage input)
*Tachometer may be powered, constant voltage,
or configured as voltage input.
Selectable in software as 0 to ±20 V (min)
40 V max. peak-to-peak
User configurable in software
Greater than 100 kohms
Tachometer
1 Tachometer Input
Input Impedance
Speed/Frequency Range
Speed Measurement Error
±25 V (50 V max. peak to peak)
1 to 50,000 events per revolution
120 kohms minimum
1 to 1,200,000 RPM
0.0167 to 20,000 Hz
1 to 12,000 RPM* +/- 1 RPM
12,001 to 120,000 RPM* +/- 6 RPM
120,001 to 1,200,000 RPM* +/- 50 RPM
* Exponential Averaging Time Constant
parameter set to
≥
120ms
Outputs
4-20 mA Outputs
Buffered Outputs
Each output is independently programmed
to represent any measured parameter, from
either channel.
Two isolated outputs
300 ohm max load
1 active buffer per vibration input channel
Output range configurable by wiring:
-24 to +9 V
-5 to +24 V
-5 to +9 V
Resistive buffer for tachometer
XM-123 Technical Specifications
Product Feature Specification