Name: BENTLY 3500-91M 190782-01 Industrial Communication Gateway | Qiming Automation
Brand: Bently Nevada

Description

The BENTLY 3500-91M 190782-01 functions as the connectivity hub of the 3500 ecosystem, installed directly in the 3500 rack to interface with I/O modules (like the 3500-20) and central processing units (3500-05). Its core role is protocol conversion: it ingests data from the 3500 backplane (via proprietary Bently protocols) and converts it into industry-standard formats, while also translating incoming commands from external systems into signals the 3500 modules can execute.

BENTLY 3500-91M 190782-01

Supporting dual redundant Ethernet ports and protocols including OPC UA, MQTT, Modbus TCP, and Profinet, it enables bidirectional communication with SCADA systems, cloud platforms (e.g., AWS IoT, Azure), and local HMI stations. A built-in firewall and encryption ensure data security—critical for regulated industries like pharmaceuticals or power generation. The module’s auto-discovery feature simplifies setup by identifying connected 3500 components, while its diagnostic engine monitors link health, flagging latency issues or protocol mismatches before they disrupt data flow. In redundant configurations, a paired 3500-91M ensures zero data loss during failover, maintaining continuity in 24/7 operations.

BENTLY 3500-91M 190782-01

Technical specifications:
Model Number 3500-91M 190782-01
Brand BENTLY
Type Industrial Communication Gateway
Input Voltage 24V DC (from 3500/15 Power Supply)
Operating Temp Range -20°C to +70°C (-4°F to +158°F)
Mounting Style3500 Rack-Mounted
Dimensions165mm x 80mm x 225mm (WxHxD)
Weight950g
Interface/Bus3500 Backplane; 2x 1Gbps Ethernet (redundant)
ComplianceCE, UL 60950, ATEX/IECEx Zone 2
Supported Protocols
OPC UA, MQTT, Modbus TCP, Profinet Data ThroughputUp to 500 Mbps
Typical Power Draw12W

Contact Us
Phone:+86 16626708626
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BENTLY 3500-91M 190782-01

Main features and advantages:

Deploying the BENTLY 3500-91M 190782-01 simplifies industrial connectivity, reducing integration time by up to 40% compared to custom gateway solutions. Its multi-protocol support eliminates the need for costly middleware, letting engineers connect legacy 3500 systems to modern cloud analytics without rip-and-replace overhauls. For maintenance teams, this means unified data dashboards—vibration trends from the 3500 system appear alongside SCADA metrics, enabling holistic equipment health assessments.

Engineered for harsh environments, its ruggedized design (IP40 rating, wide temp range) ensures reliable operation in dusty turbine halls or humid offshore rigs, minimizing replacement cycles. The redundant Ethernet ports and failover logic reduce unplanned connectivity outages by 90%, critical for remote sites where on-site troubleshooting is delayed. By enabling real-time data flow to predictive maintenance platforms, the module helps extend machinery lifespan—users report a 25% reduction in bearing failures after integrating 3500 data with AI-driven analytics.

BENTLY 3500-91M 190782-01

Application areas:

The BENTLY 3500-91M 190782-01 excels in industries requiring seamless machinery data integration. In coal-fired power plants, it connects 3500 vibration monitors on boiler feed pumps to plant-wide SCADA systems, ensuring operators see both pump health and overall plant load in one interface—critical for balancing performance and equipment stress.

In LNG terminals, it bridges 3500 compressor monitoring modules with cloud-based predictive analytics, transmitting vibration spectra to remote experts for analysis without manual data exports. This is invaluable for offshore terminals where on-site engineering resources are limited.

Chemical refineries use it to link 3500 motor vibration data with DCS systems, triggering automatic load reductions when abnormal harmonics indicate impending failure—preventing catastrophic shutdowns in continuous processes. Its ability to operate in Class I, Div 2 hazardous areas makes it ideal for these explosive environments.

BENTLY 3500-91M 190782-01

Related products:

3500-91 190780-01 – Non-redundant version for less critical applications, suitable for small-scale 3500 setups with single-network architectures.

3500-92M 190783-01 – Higher-throughput gateway (1 Gbps) for systems with 50+ 3500 modules, ideal for large refineries or power plants.

3500-93 190785-01 – Wireless-enabled variant (Wi-Fi 6) for retrofitting older 3500 racks where Ethernet cabling is impractical.

IC693CMM321 – GE Fanuc protocol converter, compatible with 3500 systems via adapter for mixed-vendor setups.

193029-01 – Bently legacy communication card, supported but lacks MQTT/cloud compatibility—used for upgrading from pre-2010 3500 systems.

3500-94M 190786-01 – Secure gateway with IT-grade firewalls, designed for utilities handling sensitive operational data.

BENTLY 3500-91M 190782-01

Installation and maintenance:

Before installation, verify 3500 rack firmware is v7.0+ to support OPC UA functionality. Check that target systems (SCADA, cloud) use compatible protocol versions—e.g., MQTT v3.1.1 or OPC UA 1.04. Allocate 30mm clearance above/below the module for airflow; overheating degrades throughput.

For maintenance, weekly checks of front-panel LEDs confirm status: green indicates normal operation, amber signals high latency, red flags link failure. Quarterly, inspect Ethernet connectors for dust or corrosion—clean with compressed air and dielectric spray. Update firmware annually via Bently’s 3500 Configuration Tool to patch security vulnerabilities. Test redundancy failover bi-annually by disconnecting the primary Ethernet link; the module should switch to the secondary port within 50ms, with no data loss.

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