BENTLY 3500/42M-01-00

Description

Detailed parameter table

BENTLY 3500/42M-01-00

Product introduction

The Bently Nevada 3500/42M-01-00 is a versatile multi-channel signal conditioner module, designed to process and normalize signals from a wide range of industrial sensors—serving as a critical intermediary between raw sensor data and the 3500 series monitoring ecosystem. Unlike specialized modules that handle only one type of input, this unit accepts signals from vibration sensors (like the 85515-02), temperature devices (RTDs/thermocouples), and pressure transducers, making it ideal for integrated machinery health monitoring.

As a key processing component, the 3500/42M-01-00 converts analog sensor signals into digital data for analysis by modules like the 3500/33-1-00 vibration monitor. It applies precision filtering, amplification, and conversion to ensure data accuracy, then transmits processed information via the backplane to other system components—including the 3500/60 digital output module, which uses this data to trigger protective actions when thresholds are exceeded.

Powered by reliable supplies such as the 106M1079-01 or 3500/15 127610-01, the module thrives in harsh industrial environments, from refineries to power plants. Its compatibility with the 3500/05-01-03-00-00-00 rack interface module enables remote configuration and data transmission, ensuring seamless integration into both localized and distributed monitoring systems.

Core advantages and technical highlights

Universal input flexibility: The 3500/42M-01-00’s 4 channels support multiple sensor types—from IEPE accelerometers (e.g., 85515-02) to PT100 RTDs—eliminating the need for dedicated modules for each parameter. This versatility allows users to monitor vibration, temperature, and pressure on a single machine using one module, reducing rack space and system complexity. For example, a single unit can process data from an 85515-02 (vibration/temperature) and two pressure transducers on a pump, streamlining installation.

High-precision signal processing: Equipped with 24-bit ADCs and a 12.8 kHz sampling rate, the module captures 细微 signal variations that might indicate early machinery degradation. Its configurable anti-aliasing filters (0.1 Hz to 10 kHz) ensure accurate data from low-frequency pressure fluctuations to high-frequency vibration harmonics, providing a comprehensive view of machinery health. This precision is critical for detecting incipient faults, such as bearing damage, before they escalate.

Seamless ecosystem integration: The 3500/42M-01-00 communicates with the 3500/33-1-00 to provide processed vibration data for alarm analysis, and with the 3500/60 to enable protective actions based on temperature or pressure thresholds. Its integration with the 3500/05-01-03-00-00-00 allows remote configuration via 170180-01-00 software, enabling engineers to adjust filter settings or input types without physical access to the rack—saving time in large facilities.

Redundant signal paths: For critical applications, the module supports redundant configurations when paired with a second 3500/42M-01-00. This setup ensures signal processing continues even if one module fails, maintaining data flow to the 3500/60 and 3500/33-1-00—essential for SIL 2 safety integrity level systems in process industries.

Typical application scenarios

In a combined-cycle power plant, the 3500/42M-01-00 processes signals from an 85515-02 vibration/temperature transmitter on a gas turbine, a PT100 RTD on the exhaust manifold, and two pressure transducers on the fuel system. Processed data is sent to the 3500/33-1-00 for vibration analysis and directly to the 3500/60, which triggers a shutdown via relay if exhaust temperature exceeds 650°C. The 3500/05-01-03-00-00-00 transmits this data to the control room, where operators monitor trends on the 3500/50 286566-02 interface.

At a pulp and paper mill, the module monitors a paper machine’s main drive: Channel 1 processes vibration from an 85515-02 on the gearbox, Channel 2 reads a thermocouple on the motor bearing, and Channels 3-4 handle pressure signals from the hydraulic system. When hydraulic pressure drops below a threshold, the 3500/42M-01-00 sends a signal to the 3500/60, which activates a warning light and pauses the machine before a jam occurs. This prevents costly downtime and material waste.

In an offshore oil platform, the module operates in a salt-laden environment, processing signals from subsea pumps: 85515-02 vibration data, RTD temperature readings, and pressure transducers. Its rugged design resists corrosion, while redundant power from the 3500/15 127610-01 ensures operation during storm-related fluctuations. Processed data is encrypted via the 3500/05-01-03-00-00-00 and sent to onshore engineers using 170180-01-00 software, enabling remote diagnostics of pump health.

BENTLY 3500/42M-01-00

Related model recommendations

3500/60: Digital output module that triggers protective actions based on processed signals from the 3500/42M-01-00.

3500/33-1-00: Vibration monitoring module that analyzes processed vibration data from the 3500/42M-01-00.

85515-02: Vibration/temperature transmitter whose signals are conditioned by the 3500/42M-01-00.

3500/05-01-03-00-00-00: Rack interface module that enables remote configuration and data transmission for the 3500/42M-01-00.

106M1079-01: Power supply unit for mid-sized systems using the 3500/42M-01-00.

3500/15 127610-01: Redundant power supply ensuring uninterrupted operation in critical applications.

170180-01-00 software (v6.0+): Tool for configuring input types, filters, and sampling rates on the 3500/42M-01-00.

Installation, commissioning and maintenance instructions

Installation preparation: Mount the 3500/42M-01-00 in 2 consecutive slots of the 3500 series rack, ensuring the system is powered off (via 106M1079-01 or 3500/15 127610-01) during installation. Secure the module with screws torqued to 0.6 Nm, verifying alignment with the backplane connector. Connect sensors to BNC inputs using shielded cables: IEPE devices require 24V excitation (provided by the module), while RTDs/thermocouples use dedicated wiring. Label each channel clearly to match sensor types.

Commissioning steps: Power on the system and confirm the module initializes (indicated by steady power and channel LEDs). Use 170180-01-00 software to configure each channel: set input type (e.g., “vibration” for 85515-02), filter range (e.g., 10 Hz to 1000 Hz), and excitation (if applicable). Calibrate inputs using a signal generator, verifying that 0% input = 4 mA and 100% = 20 mA on linked outputs. Test signal transmission by simulating sensor inputs and confirming data appears on the 3500/33-1-00 and 3500/50 286566-02.

Maintenance suggestions: Inspect the 3500/42M-01-00 quarterly, checking BNC connectors for corrosion and tightness. Clean connectors with isopropyl alcohol if needed. Verify calibration semi-annually using a precision calibrator, adjusting via software if drift exceeds ±0.1%. Check excitation voltage (24V ±5%) for IEPE sensors monthly to ensure accurate readings from devices like the 85515-02. Review signal quality logs via the 3500/05-01-03-00-00-00 to identify noise or interference issues. Replace the module if channels fail to process signals or calibration cannot be restored.

Service and guarantee commitment

The 3500/42M-01-00 is backed by a 24-month warranty covering manufacturing defects, including ADC inaccuracies, channel failures, or excitation voltage issues. During this period, Bently Nevada provides free repair or replacement, along with technical support for configuring input types and integrating with the 3500/60 and 106M1079-01.

Our global service team offers 24/7 assistance for troubleshooting signal processing issues, with remote diagnostics available via the 3500/05-01-03-00-00-00 to verify filter settings and calibration. Extended warranty options (up to 4 years) include annual calibration checks and priority access to replacement modules. Built on Bently Nevada’s expertise in precision measurement, the 3500/42M-01-00 is guaranteed to deliver accurate, reliable signal conditioning—forming the backbone of effective machinery health monitoring systems.