86517-01-01-01-02 Bently Nevada Acceleration Interface Module

Configured for dynamic charge signal conditioning in Bently Nevada monitoring networks, the Bently Nevada 86517-01-01-01-02 (86517 Acceleration Interface Module) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

Hardware Specifications

Rotor Dynamics and Signal Conditioning Execution

The 86517-01-01-01-02 interface module processes high-impedance charge signals from piezoelectric accelerometers into low-impedance voltage signals suitable for machinery monitoring instrumentation. Integrated filtering limits the passband between 25 Hz and 350 Hz to eliminate low-frequency baseline roll and high-frequency structural noise. Maintaining a stable -10 VDC bias voltage target supports precise dynamic vibration spectral analysis and rotor dynamics tracking while suppressing cross-talk across adjacent signal cabling runs.

Frequently Asked Questions

Q: What transducer charge sensitivity range is supported by Option 01?

A: Option 01 configures the internal charge amplifier circuit for an input scaling sensitivity of 50 pC/g.

Q: How does the filtering circuit shape the acceleration signal band?

A: The module applies a 25 Hz high-pass corner filter combined with a 350 Hz low-pass corner filter to attenuate unwanted out-of-band noise before outputting the analog signal.

Field Installation Guidelines

1. Mount the module chassis securely to the enclosure frame or sub-panel using designated mounting holes.
2. Route high-impedance accelerometer charge cables separately from power supply conductors and switching lines.
3. Connect signal leads and shield drain wires to the designated terminal blocks, ensuring shields are grounded at a single point only.
4. Verify that the DC bias voltage reads -10 VDC under static operating conditions using a calibrated multimeter.
5. Secure all terminal screws to recommended tightening torque limits to maintain reliable contact resistance over extended operating periods.