Name: BENTLY 350022M 138607-01 High-Density Multi-Signal Monitoring Module | Qiming Automation
Brand: Bently Nevada

Description

The BENTLY 350022M 138607-01 functions as a high-density signal aggregation hub within Bently’s 3500 Monitoring System architecture. Unlike standard modules, it accommodates up to 16 sensor inputs—supporting both analog (proximity probes, accelerometers) and digital (relay, switch) signals—consolidating data flow into a single, efficient interface.

350022M 138607-01

It connects to the 3500 rack backplane via a proprietary high-speed bus, enabling synchronized data transmission to the system’s main processor. Advanced filtering algorithms built into the module reduce cross-signal interference, ensuring each input retains accuracy even when multiple sensors operate simultaneously. The module communicates with upstream DCS or SCADA systems via enhanced protocols like Modbus TCP/IP and OPC UA, making it compatible with both legacy and modern control platforms.

Diagnostic intelligence is embedded at the channel level: individual signal health statuses are tracked, and faults are isolated to specific inputs rather than triggering a system-wide alert. This granularity simplifies troubleshooting, allowing maintenance teams to address issues without disrupting unrelated monitoring functions. In the automation stack, the BENTLY 350022M 138607-01acts as a compact yet powerful intermediary, bridging diverse sensor arrays to centralized monitoring systems.

350022M 138607-01

Technical specifications:
Model Number BENTLY 350022M 138607-01
BrandBently Nevada
Type High-Density 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)
Dimensions177.8 mm (W) x 228.6 mm (D) x 44.45 mm (H) (7″ x 9″ x 1.75″)
Weight1.3 kg (2.87 lbs)
Interface/Bus3500 Backplane, Ethernet (10/100 Base-T)
ComplianceCE, RoHS, IEC 61010-1 (Safety), IEC 61326-1 (EMC)
Supported ProtocolsModbus TCP/IP, OPC UA, Bently 3500 Proprietary
Typical Power Draw25 W (idle), 32 W (full 16-channel load)

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350022M 138607-01

Main features and advantages:

Choosing the BENTLY 350022M 138607-01 translates to tangible operational advantages. Its high channel density reduces rack space requirements by up to 40% compared to using multiple single-channel modules, a critical benefit in retrofits or compact machinery enclosures. This consolidation also simplifies wiring harnesses, minimizing potential failure points and reducing installation time by approximately 25%.

The module’s advanced signal isolation ensures cross-talk between channels is virtually eliminated, even when processing high-frequency vibration data alongside low-voltage temperature signals. This precision directly enhances predictive maintenance accuracy, as engineers can trust that anomalies detected in one parameter aren’t artifacts of interference from another.

Designed for continuous operation, the BENTLY 350022M 138607-01 features redundant power inputs and failsafe operation—if a primary power source drops, it seamlessly switches to backup without data loss. This reliability ensures uninterrupted monitoring in critical processes, where even a momentary data gap could mask a developing machinery issue. Over time, these attributes combine to lower total cost of ownership by reducing downtime, simplifying maintenance, and extending the useful life of connected monitoring systems.

350022M 138607-01

Application areas:

The BENTLY 350022M 138607-01 excels in applications requiring comprehensive, space-efficient monitoring. In petrochemical refineries, it’s deployed on centrifugal pumps and reciprocating compressors, where it tracks vibration, discharge pressure, and bearing temperature across multiple stages—all within the tight confines of pump skids. Its ability to handle mixed signal types makes it ideal for these complex setups, where a single module replaces three separate units.

In marine propulsion systems, where space aboard ships is severely limited, the module monitors main engines by aggregating data from shaft vibration sensors, lube oil temperature probes, and thrust bearing position sensors. Its wide operating temperature range ensures reliability even in engine rooms with fluctuating ambient conditions.

Within steel mills, the BENTLY350022M 138607-01 monitors rolling mill stands, tracking roll eccentricity (via proximity probes), motor bearing vibration, and hydraulic pressure—critical for maintaining product quality and preventing equipment damage in high-heat environments. In each case, its compact design and multi-signal capability make it the go-to choice for maximizing monitoring coverage without sacrificing space.

350022M 138607-01

Related products:

BENTLY 350022M 138607-02 – Extended temperature range (-55°C to +85°C) for arctic or foundry applications

BENTLY 350022 288055-01 – Standard 8-channel version for less complex monitoring needs

BENTLY 350025M 138608-01 – 24-channel high-density upgrade for large machinery trains

BENTLY 350022R 138609-01 – Redundant configuration variant for safety-instrumented systems (SIL 2 certified)

BENTLY 350018 288051-01 – Legacy 4-channel module, often upgraded to the 350022M series for expanded capacity

BENTLY 350022S 138610-01 – Explosion-proof version (ATEX/IECEx) for hazardous area installations

Installation and maintenance:

Before installing the BENTLY350022M 138607-01, verify that the 3500 rack firmware is version 5.2 or higher—older versions may not support the module’s high-speed bus communication. Check that the rack’s cooling system can handle the increased heat load (32 W max) by ensuring adjacent slots are not occupied by high-power modules, leaving at least 25 mm of clearance for airflow.

During configuration, use Bently’s 3500 Configuration Software to map each input channel to its specific sensor type; incorrect mapping can lead to signal misinterpretation. For example, assigning a proximity probe to a thermocouple channel will result in invalid data.

Ongoing maintenance should include quarterly checks of terminal block torque (2.5 N·m for signal connections) to counteract vibration-induced loosening. Annually, perform a channel-to-channel isolation test using a megohmmeter to ensure insulation resistance remains above 100 MΩ—degradation here can indicate pending interference issues. The module’s front-panel LED array provides at-a-glance status: a steady green for normal operation, flashing yellow for channel warnings, and red for critical faults. Documenting these statuses during rounds helps identify intermittent issues.

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