Description
Detailed parameter table
Parameter name | Parameter value |
Product model | 3500/53M |
Manufacturer | Bently Nevada |
Product category | Advanced machinery protection system controller |
Electrical performance | 24V DC power supply (from 3500/91 190782-01 or 3500/15 127610-01); Power consumption: 7.2W max |
Physical size | Width: 48.8mm, Height: 241.3mm, Depth: 242mm |
Processing capacity | 32-bit RISC processor; Supports up to 16 connected monitoring modules |
Communication interfaces | Backplane connector; Ethernet (10/100Base-T); RS-485; USB Type-B (configuration) |
Alarm management | 16 programmable alarm groups; Supports SIL 2 safety integrity level |
Data storage | 64GB SSD for event logs, trends, and configuration backups |
Environmental requirements | Operating temperature: -40°C to +70°C; Humidity: 5% – 95% (non-condensing); IP20 front panel |
Installation method | Rack-mountable in 3500 series racks; Occupies 2 standard slots |
Compatibility | Works with 3500/91 190782-01, 3500/44M-01-00 176449-03, 3500/33-1-00, 3500/60, and 170180-01-00 software (v7.0+) |
BENTLY 3500/53M
Product introduction
The Bently Nevada 3500/53M is a high-performance machinery protection system controller, designed to serve as the central processing unit of 3500 series monitoring ecosystems. As the “brain” of the system, it aggregates data from critical modules like the 3500/44M-01-00 176449-03 dynamic signal analyzer and 3500/33-1-00 vibration monitor, processes real-time information, and coordinates protective actions via the 3500/60 digital output module.
Unlike basic interface modules, this controller offers advanced processing capabilities, enabling complex alarm logic, cross-module data correlation, and historical trending—essential for predictive maintenance strategies. It relies on stable power from the 3500/91 190782-01 redundant power supply to ensure uninterrupted operation, even during power fluctuations common in industrial environments.
With built-in Ethernet connectivity and SIL 2 compliance, the 3500/53M bridges the gap between localized machinery protection and enterprise-level asset management systems. It enables secure remote access to diagnostic data, allowing engineers to monitor machinery health from control rooms or offsite locations while ensuring safety-critical functions remain reliable.
Core advantages and technical highlights
Centralized system intelligence: The 3500/53M’s 32-bit RISC processor integrates data from up to 16 monitoring modules, enabling cross-parameter analysis—for example, correlating vibration spikes from the 3500/33-1-00 with temperature increases from the 3500/42M-01-00 to identify bearing degradation. This holistic approach detects interdependent faults that single-module monitoring might miss, enhancing diagnostic accuracy.
Advanced alarm management: Supporting 16 programmable alarm groups, the controller allows customized logic—such as requiring concurrent vibration and temperature alarms before triggering a shutdown via the 3500/60. This reduces false trips in dynamic environments like reciprocating compressors, where transient vibrations are common. SIL 2 compliance ensures these safety functions meet global industrial standards.
Secure data integration: Equipped with encrypted Ethernet and RS-485 interfaces, the 3500/53M transmits real-time and historical data to SCADA systems, cloud platforms, or the 3500/50 286566-02 operator interface. Its 64GB SSD stores months of trend data, enabling long-term analysis of machinery performance—critical for identifying seasonal degradation patterns in assets like wind turbines or paper mill drives.
Redundant operation support: When paired with a second 3500/53M and powered by the 3500/91 190782-01’s redundant supply, the controller forms a fault-tolerant system. Automatic failover ( <10ms) ensures continuous protection during primary unit failures, maintaining control of the 3500/60 and data collection from the 3500/44M-01-00 176449-03.
Typical application scenarios
In a combined-cycle power plant, the 3500/53M acts as the central controller for a 3500 system monitoring gas and steam turbines. It collects vibration data from the 3500/44M-01-00 176449-03, temperature readings from RTDs, and pressure signals, applying logic to distinguish between normal startup transients and dangerous conditions. When a critical alarm is confirmed, it triggers the 3500/60 to shut down the turbine, while logging detailed waveforms to its SSD for post-event analysis. The 3500/91 190782-01 ensures uninterrupted power during grid fluctuations.
At a pulp and paper mill, the controller manages a network of 3500/33-1-00 modules monitoring 12 paper machine rolls. It correlates vibration trends across multiple rolls to detect alignment issues in the drive train—an insight beyond single-module monitoring. Via Ethernet, it sends early warnings to the mill’s CMMS, enabling scheduled maintenance during production breaks. Redundant 3500/91 190782-01 power ensures monitoring continues during plant-wide power interruptions.
On an offshore drilling rig, the 3500/53M operates in a redundant configuration, processing data from subsea pump sensors via the 3500/05-01-03-00-00-00 interface. Its SIL 2-rated logic ensures reliable shutdowns of critical pumps when vibration from the 3500/33-1-00 exceeds thresholds, preventing blowouts. Encrypted data transmission allows onshore engineers to access trends via 170180-01-00 software, while the 3500/91 190782-01’s wide input range accommodates the rig’s 240V DC emergency system.
BENTLY 3500/53M
Related model recommendations
3500/91 190782-01: Redundant power supply that ensures uninterrupted operation of the 3500/53M in critical applications.
3500/44M-01-00 176449-03: Dynamic signal analyzer whose high-resolution data is processed by the 3500/53M for advanced diagnostics.
3500/60: Digital output module that executes protective actions commanded by the 3500/53M.
3500/33-1-00: Vibration monitor whose alarm signals are aggregated and analyzed by the 3500/53M.
3500/50 286566-02: Operator interface that displays real-time status and alarms from the 3500/53M.
170180-01-00 software (v7.0+): Tool for configuring alarm logic, analyzing stored trends, and backing up 3500/53M configurations.
3500/05-01-03-00-00-00: Rack interface module that enables secure remote communication for the 3500/53M.
Installation, commissioning and maintenance instructions
Installation preparation: Mount the 3500/53M in 2 consecutive slots of the 3500 rack, positioned upstream of monitoring modules for optimal data flow. Ensure the system is powered off via the 3500/91 190782-01 before installation. Secure with screws torqued to 0.6 Nm, verifying backplane alignment. Connect Ethernet to the plant network using shielded Cat6 cable, and USB for initial configuration. For redundancy, install a second unit in adjacent slots and link via the backplane.
Commissioning steps: Power on via the 3500/91 190782-01 and confirm the “Power” LED illuminates. Use 170180-01-00 software to configure module connections, alarm logic (e.g., “Vibration > 15 mm/s AND Temperature > 90°C = Shutdown”), and communication settings. Test failover in redundant setups by disconnecting the primary unit—verify the backup assumes control within 10ms. Calibrate time synchronization with the 3500/05-01-03-00-00-00 to ensure accurate event timestamps.
Maintenance suggestions: Inspect quarterly, checking Ethernet/USB connections for corrosion. Backup configurations to USB monthly to prevent data loss. Update firmware semi-annually via Ethernet, ensuring compatibility with modules like the 3500/44M-01-00 176449-03. Monitor SSD health annually—replace if storage capacity drops below 80%. Coordinate replacement with 3500/91 190782-01 maintenance to avoid power interruptions. In redundant setups, rotate primary/backup roles semi-annually to balance wear.
Service and guarantee commitment
The 3500/53M is backed by a 30-month warranty covering manufacturing defects, including processor failures, communication port malfunctions, or SSD corruption. During this period, Bently Nevada provides free repair/replacement and technical support for configuring alarm logic and integrating with the 3500/91 190782-01.
Our global control systems team offers 24/7 assistance for troubleshooting, with remote access via the 3500/05-01-03-00-00-00 to diagnose logic errors or data integration issues. Extended warranty options (up to 5 years) include annual performance validation, firmware updates, and priority replacement. Built on Bently’s expertise in machinery protection, this controller guarantees reliable, intelligent oversight of 3500 series systems—maximizing asset availability and safety.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
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You will receive a comprehensive quote tailored to your specific needs.