The Bently Nevada 143729-01, also cataloged as the 143729-01 Cylinder Pressure I/O Module, operates as a dedicated hardware component for cylinder pressure signal acquisition within Bently Nevada machinery monitoring systems. It processes analog pressure inputs and provides conditioned output signals for combustion and reciprocating equipment analysis.
Hardware Specifications
Parameter
Specification
Model
143729-01
Brand
Bently Nevada
Product Type
Cylinder Pressure I/O Module
Origin
USA
Weight
0.16 kg
Dimensions
19 x 18 x 2 cm
Operating Temp
-40 deg C to +85 deg C
Humidity
0-95% RH, non-condensing
Vibration Resistance
Up to 5 g RMS per ISO 10816
Supply Voltage
24 VDC +/-10%
Power Consumption
<10 W typical
Input Voltage Range
+/-10 V, 0-5 V
Input Current Range
4-20 mA
Excitation Voltage
24 VDC
Output Type
Analog 4-20 mA
Accuracy
+/-0.1% FS
Resolution
16-bit or higher
Bandwidth
DC to 20 kHz
Tariff Code
8537101190
Place of Shipment
Xiamen, China
Estimated Shipping Size
19 x 18 x 2 cm
Eddy-Current Signal Processing and Rotor Dynamics Interface
The Bently Nevada 143729-01 module handles cylinder pressure measurement signals through analog conditioning circuits designed for machinery diagnostic applications. The module supports voltage and current input channels, including 4-20 mA instrumentation signals, and converts measured pressure data into standardized analog outputs.
Moreover, the module operates with measurement characteristics required for reciprocating machinery analysis, where pressure waveform accuracy affects combustion evaluation and mechanical condition monitoring. Signal bandwidth up to DC to 20 kHz supports dynamic pressure acquisition, while the 16-bit or higher resolution improves measurement granularity.
The module design follows Bently Nevada machinery monitoring practices, including signal integrity management for sensor interfaces. Input conditioning reduces measurement interference during high-vibration operation, while calibrated signal processing supports consistent pressure data interpretation.
Frequently Asked Questions
Q: What input signal types does the 143729-01 support? A: The module supports voltage inputs of +/-10 V and 0-5 V, as well as 4-20 mA current input signals.
Q: What power supply does the 143729-01 require? A: The module requires a 24 VDC power supply with a tolerance of +/-10% and typical power consumption below 10 W.
Q: What environmental conditions support module operation? A: The module operates from -40 deg C to +85 deg C with 0-95% RH non-condensing humidity and vibration resistance up to 5 g RMS per ISO 10816.
Field Installation Guidelines
Install the 143729-01 module in a controlled industrial enclosure that maintains the specified operating temperature and humidity limits. Use appropriate grounding practices to minimize electrical noise on analog signal circuits.
Route pressure sensor wiring separately from high-current power cables and switching circuits. Connect cable shields according to the system grounding design to reduce electromagnetic interference.
Verify the 24 VDC supply polarity before energizing the module. Confirm input signal scaling and analog output calibration during commissioning to ensure correct pressure measurement data transmission.
