Bently Nevada 177896-02

Technical Parameters

Channels: 2 independent rod-position sensor inputs compatible with Bently Nevada 177896-02

Sensor Types Supported:

Linear variable differential transformers (LVDTs)

Magnetostrictive or potentiometric rod-position transducers

Input Range: ± 10 V DC analog (programmable ± 5 V to ± 15 V spans)

Resolution: 16-bit A/D conversion per channel within Bently Nevada 177896-02 (≈ 0.0015 % of span)

Accuracy: ± 0.1 % of full-scale after linearization

Sampling Rate: 1 kHz per channel, simultaneous acquisition

Isolation: ≥ 1 kV channel-to-chassis and channel-to-channel

Input Protection: Overvoltage clamp to ± 30 V; reverse-polarity and surge protection

Environmental:

Operating Temp: 0 °C to +70 °C

Storage Temp: –40 °C to +85 °C for Bently Nevada 177896-02

Humidity: ≤ 95 % RH, non-condensing

Product function

Position Conditioning: Applies excitation and buffering via Bently Nevada 177896-02, then digitizes and linearizes to true displacement units.

Dynamic Monitoring: Captures high-speed position transients for detection of mis-stroking or valve-failure events.

Data Communication: Broadcasts real-time position, velocity, and diagnostics over the 3500 backplane bus.

Application Areas

Reciprocating Compressors & Engines: Continuous rod-position feedback through Bently Nevada 177896-02 for surge avoidance and knock detection.

API-618 Compliance: Meets precision requirements for critical protection systems.

Maintenance & Diagnostics: Enables early detection of wear or mechanical binding.