Name: BENTLY 350022M 288055-01 12-Channel Multi-Signal Monitoring Module | Qiming Automation
Brand: Bently Nevada

Description

The BENTLY 350022M 288055-01 operates as a multi-signal processing core within Bently’s 3500 Monitoring System. It accepts inputs from 12 diverse sensors—including proximity probes, accelerometers, and RTDs—converting raw analog signals into actionable digital data via precision 24-bit ADCs.

350022M 288055-01

Integrated into the 3500 rack backplane, it communicates with the system’s master processor through a high-speed proprietary bus, ensuring synchronized data transmission with minimal latency. Advanced signal conditioning filters reduce noise from industrial environments, while channel-to-channel isolation prevents cross-talk, even when processing high-frequency vibration alongside low-voltage temperature readings.

The module connects seamlessly to upstream DCS and SCADA systems using protocols like Modbus RTU and Ethernet/IP, making it compatible with both legacy and modern control architectures. Built-in diagnostics monitor each channel’s health, flagging issues like sensor faults or signal degradation through the 3500 system’s interface. This targeted alerting allows maintenance teams to address specific problems without disrupting overall monitoring, solidifying the BENTLY 350022M 288055-01’s role as a flexible, reliable hub in the automation stack.

350022M 288055-01

Technical specifications:
Model NumberBENTLY 350022M 288055-01
BrandBently Nevada
Type 12-Channel Multi-Signal Monitoring Module
Input Voltage 24 VDC ±10%
Operating Temp Range -40°C to +70°C (-40°F to +158°F)
Mounting Style Rack-mountable (3500 Series compatible, 1-slot width)
Dimensions 177.8 mm (W) x 235 mm (D) x 44.5 mm (H) (7″ x 9.25″ x 1.75″)
Weight 1.4 kg (3.09 lbs)
Interface/Bus 3500 Backplane, RS-485, Ethernet (10/100 Base-T)
ComplianceCE, RoHS, IEC 61010-1, IEC 61326-1, UL 61010-1
Supported ProtocolsModbus RTU, Ethernet/IP, Bently 3500 Proprietary
Typical Power Draw20 W (idle), 28 W (full 12-channel load)

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350022M 288055-01

Main features and advantages:

Choosing the BENTLY350022M 288055-01 delivers tangible operational advantages. Its 12-channel design cuts rack space requirements by 30% compared to using individual single-channel modules, a key benefit in retrofitted facilities where space is constrained. This consolidation also simplifies wiring, reducing installation time by up to 20% and minimizing potential failure points in complex harnesses.

The module’s precision signal processing ensures consistent data accuracy across all channels. Even when handling high-frequency vibration (up to 10 kHz) and low-voltage RTD signals (10 mV range) simultaneously, cross-interference is negligible—critical for engineers relying on precise trend analysis to detect early machinery wear.

Engineered for continuous operation, the BENTLY 350022M 288055-01 includes redundant power inputs and automatic fault bypass, ensuring data collection continues uninterrupted even if a single channel fails. This reliability translates to fewer unplanned shutdowns, lower maintenance costs, and extended equipment lifespans, making it a cost-effective choice for long-term industrial monitoring.

350022M 288055-01

Application areas:

The BENTLY 350022M 288055-01 excels in applications requiring balanced channel capacity and space efficiency. In oil refineries, it monitors hydrocracker compressors by aggregating data from vibration probes on each bearing, discharge pressure transducers, and lube oil temperature sensors—all within the compact pump skid enclosure.

In pulp and paper mills, it tracks rotating equipment like stock pumps and dryer cylinders, combining inputs from shaft position sensors, motor vibration accelerometers, and bearing temperature RTDs. Its wide operating temperature range ensures reliability in the humid, fluctuating environments typical of these facilities.

Within chemical processing plants, the BENTLY 350022M 288055-01 monitors agitators and mixers, where it processes signals from proximity probes (tracking shaft runout) and thermocouples (measuring jacket temperature), enabling precise control of reaction conditions. In each scenario, its ability to handle mixed signals in a small footprint makes it indispensable for comprehensive, unobtrusive monitoring.

Related products:

BENTLY 350022M 288055-02 – 12-channel version with enhanced EMC immunity for high-noise environments

BENTLY 350022 288055-01 – 8-channel standard module for simpler monitoring setups

BENTLY 350025M 288058-01 – 16-channel high-density upgrade for large machinery trains

BENTLY 350022M 138607-01 – 16-channel variant with extended protocol support (OPC UA)

BENTLY 350019 288052-01 – Legacy 6-channel module, often upgraded to 350022M series for expanded capacity

BENTLY 350022S 288056-01 – Intrinsically safe version for hazardous areas (ATEX Zone 2)

Installation and maintenance:

Before installing the BENTLY 350022M 288055-01, verify the 3500 rack firmware is version 4.8 or newer to ensure full compatibility with the module’s communication protocol. Check that the rack’s cooling system can accommodate the 28 W maximum power draw—leave at least 30 mm of clearance on adjacent slots for airflow.

During configuration, use Bently’s 3500 Configuration Tool to assign each channel to its sensor type (e.g., proximity probe vs. RTD) and set appropriate scaling. Incorrect configuration can lead to misleading data—for example, interpreting a vibration signal as temperature.

Routine maintenance should include monthly visual checks of front-panel LEDs (steady green indicates normal operation; flashing red signals a channel fault). Quarterly, inspect terminal block connections to ensure torque (2.0 N·m) remains consistent, as vibration can loosen terminals over time. Annually, perform a full calibration check using Bently’s test fixture to validate accuracy across all channels, ensuring long-term measurement integrity.

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