BENTLY 3500/62

Description

Detailed parameter table

BENTLY 3500/62

Product introduction

The 3500/62 from Bently Nevada is a high-reliability relay output module that serves as a critical interface component within the 3500 Machinery Protection System. This module translates digital protection signals from monitoring modules into actionable relay outputs, enabling safety shutdowns, alarm notifications, and control actions for critical rotating machinery. As an essential part of Bently Nevada’s integrated protection ecosystem, the 3500/62 ensures that machinery faults detected by the system trigger appropriate responses to prevent equipment damage and ensure operational safety.

Bently Nevada’s 3500/62 acts as the “control execution” layer of the 3500 system, bridging the gap between monitoring data and physical control actions. Its 16 configurable relay channels provide flexible integration with emergency shutdown systems, annunciators, and process control systems. The 3500/62 plays a vital role in implementing protection logic, ensuring that critical machinery—such as turbines, compressors, and generators—receives timely protection when abnormal conditions are detected, minimizing downtime and maintenance costs.

Core advantages and technical highlights

High-density relay configuration: The 3500/62 delivers 16 Form C relay outputs in a compact module design, maximizing the number of control points within the 3500 system rack. This high channel density reduces the required rack space while providing redundant protection paths, enhancing system reliability without increasing footprint.

Rapid response capability: With a typical response time of less than 10ms, the 3500/62 ensures that protection actions are initiated immediately upon detection of machinery faults. This rapid reaction time is critical for preventing catastrophic failures in high-speed rotating equipment where seconds can mean the difference between minor wear and major damage.

Flexible configuration options: Each relay channel in the 3500/62 can be independently configured through the 3500 system software, allowing customization of trip levels, delay times, and logic conditions. This flexibility enables the module to adapt to specific machinery protection requirements, from simple alarm notifications to complex interlock sequences.

Enhanced protection features: The 3500/62 incorporates built-in short-circuit protection and overvoltage protection for all relay outputs, preventing module damage during external wiring faults or power surges. This robust design ensures the module remains operational even in harsh industrial environments, maintaining system integrity during fault conditions.

Typical application scenarios

In power generation plants, the 3500/62 is deployed in turbine protection systems, converting vibration, temperature, and bearing condition signals into critical control actions. Its relays trigger turbine overspeed shutdowns, lubrication system alarms, and generator disconnects when unsafe conditions are detected, protecting multi-million-dollar assets from catastrophic failure. The 3500/62 integrates seamlessly with turbine control systems, ensuring coordinated responses between monitoring and control functions.

Within oil and gas processing facilities, the 3500/62 provides essential protection for compressor trains and pump stations. Its relays activate emergency shutdown valves, isolate process streams, and trigger local alarms when vibration exceeds safe thresholds or bearing temperatures rise abnormally. In offshore platforms, the 3500/62 operates reliably in harsh environments, ensuring that critical rotating equipment receives timely protection despite saltwater exposure and temperature extremes.

Chemical and petrochemical plants utilize the 3500/62 to implement protection logic for agitators, centrifuges, and process pumps. The module’s configurable relays enable tiered protection strategies—from warning alarms for minor deviations to full equipment shutdown for severe faults—helping operators balance productivity with equipment safety. The 3500/62’s API 670 compliance ensures it meets the strict reliability requirements for machinery protection in process industries.

BENTLY 3500/62

Related model recommendations

3500/20 (Bently Nevada): Vibration monitor module that provides input signals to the 3500/62 for protection actions.

3500/42 (Bently Nevada): Axial position monitor whose alerts are translated to relay outputs by the 3500/62.

125840-01 (Bently Nevada): Power supply module that provides backplane power to the 3500/62 in 3500 racks.

3500/92 (Bently Nevada): Communication gateway that enables remote monitoring of 3500/62 relay status.

78599-01A (Bently Nevada): Signal conditioning module whose processed signals feed into the 3500/62 logic.

3500/05 (Bently Nevada): System rack that houses the 3500/62 and other 3500 series modules.

3500/61 (Bently Nevada): Single-relay module that complements the 3500/62 for high-current applications.

3500/22M (Bently Nevada): Machinery protection module that integrates with the 3500/62 for comprehensive asset protection.

Installation, commissioning and maintenance instructions

Installation preparation: Before installing the 3500/62, ensure the 3500 system rack is powered off and isolated from all electrical sources. Verify that the rack backplane is properly configured and that all connection points are clean and free of debris. Required tools include a torque screwdriver for module mounting, a multimeter for continuity testing, and a laptop with 3500 configuration software. Inspect the 3500/62 for shipping damage, paying special attention to relay contact pins and backplane connectors. Ensure all external wiring to relay outputs is properly rated for the connected loads and routed through appropriate conduit.

Maintenance suggestions: To ensure reliable operation of the 3500/62, conduct semi-annual visual inspections to check for loose connections, dust accumulation, or signs of overheating. Test relay operation quarterly through the 3500 system software to verify contact integrity and proper response times. During scheduled shutdowns, clean ventilation slots with compressed air and verify torque on mounting hardware. When troubleshooting the 3500/62, check backplane power first before testing individual relays. Maintain documentation of relay configurations and periodically backup system settings to facilitate quick recovery in case of module replacement.

Service and guarantee commitment

Bently Nevada backs the 3500/62 with a 24-month warranty covering manufacturing defects and component failures from the date of shipment. Our technical support team provides expert assistance for configuration, logic programming, and troubleshooting of the 3500/62 within 3500 system installations.

We offer specialized training programs focused on relay logic configuration and maintenance of the 3500/62, ensuring your technicians can effectively implement and support protection strategies. Beyond the warranty period, our service agreements include preventive maintenance checks, calibration verification, and expedited replacement services to minimize downtime. Bently Nevada’s commitment to quality ensures the 3500/62 delivers reliable protection action execution throughout its operational lifecycle, backed by our global network of service professionals and application engineers.