BENTLY 3500/15 127610-01

Description

Detailed parameter table

BENTLY 3500/15 127610-01

Product introduction

The 3500/15 127610-01 from Bently Nevada is a high-reliability relay output module designed as the critical action component in 3500 Machinery Protection Systems. This rack-mount module converts digital protection commands from the system into physical relay operations, enabling automated shutdowns, alarms, and control actions in response to machinery health conditions. Bently Nevada’s 3500/15 127610-01 acts as the system’s “muscle,” translating analytical decisions from monitoring modules into tangible protective actions that prevent machinery damage when parameters from sensors like the 125720-01 temperature transmitter exceed safe limits.

Bently Nevada’s 3500/15 127610-01 addresses the need for dependable protection actuation in industrial environments, where milliseconds can mean the difference between minor wear and catastrophic failure. Its 8-channel design provides flexible protection configuration, allowing system integrators to assign specific relays to critical conditions detected by various monitoring components. When paired with 125720-01 temperature transmitters and other sensing modules, this relay module ensures that abnormal machinery conditions trigger immediate, pre-programmed responses—from visual alarms to emergency shutdowns—while providing status feedback to 3500/61 display modules.

Core advantages and technical highlights

High-integrity relay operations: The 3500/15 127610-01 features Form C (changeover) relays with 5A contact ratings, capable of switching both control circuits and alarm annunciators. Each relay provides reliable operation with <10 ms response time, ensuring rapid protective actions when critical thresholds are crossed—essential for preventing damage to rotating machinery during upset conditions.

Comprehensive diagnostic coverage: Equipped with advanced contact monitoring, the module continuously checks for relay welds, open coils, and other faults that could prevent proper operation. Per-channel status LEDs provide immediate visual indication of relay state, while diagnostic data is transmitted to the system for display on 3500/61 modules, ensuring maintenance teams are alerted to any relay issues before they compromise protection.

Flexible protection configuration: With 8 independent channels, the module supports multiple protection layers—from warning alarms to emergency shutdowns—for different machinery conditions. Relays can be programmatically linked to specific measurements from 125720-01 temperature transmitters, vibration monitors, and other sensors, enabling tailored protection strategies that balance operational availability with equipment safety.

Enhanced system security: Incorporating backplane isolation and overcurrent protection, the 3500/15 127610-01 prevents electrical faults in external wiring from affecting the 3500 system bus. This isolation ensures that a short circuit in a field wiring run won’t disable the entire protection system, maintaining coverage for other critical machinery parameters.

Typical application scenarios

In power generation turbine protection systems, the 3500/15 127610-01 serves as the final protection layer, with relays assigned to specific emergency conditions. When 125720-01 temperature transmitters detect excessive bearing temperatures or vibration monitors identify dangerous rotor instability, designated relays actuate to trigger turbine trips, fuel valve closures, and alarm sirens. Other relays activate auxiliary cooling systems or lube oil pumps to mitigate developing issues, with all actions logged and displayed on 3500/61 modules for post-event analysis.

Oil and gas compressor stations utilize the 3500/15 127610-01 to implement multi-stage protection strategies. Lower-numbered relays trigger local alarms and SCADA notifications when temperature or vibration approaches warning levels, while higher-numbered relays initiate compressor unloading or shutdown sequences when critical thresholds are exceeded. This tiered approach minimizes unplanned downtime while ensuring equipment protection, with relay status continuously monitored via 3500/34 gateways for remote visibility.

Manufacturing facilities deploy the 3500/15 127610-01 in production line protection, where relays control conveyor stops, motor disconnects, and process interlocks. When 125720-01 transmitters detect overheating in critical motors or vibration sensors identify impending bearing failure, assigned relays actuate to isolate the affected equipment, preventing production line damage and ensuring worker safety. The module’s diagnostic capabilities provide advance warning of relay issues during routine maintenance checks.

BENTLY 3500/15 127610-01

Related model recommendations

125720-01 (Bently Nevada): Temperature transmitter whose alarms trigger 3500/15 127610-01 relays.

3500/61 (Bently Nevada): Display module monitoring 3500/15 127610-01 status.

3500/34 (Bently Nevada): Communication gateway transmitting relay status data.

3500/05-01-02-00-00-01 (Bently Nevada): Power supply for the 3500/15 127610-01 module.

3500/20 (Bently Nevada): System rack housing the relay module.

135137-01 (Bently Nevada): Input module providing trigger signals to 3500/15 127610-01.

3500/70M (Bently Nevada): Recip monitor whose outputs control relay operations.

330130-080-00-00 (Bently Nevada): Calibration fixture for system verification including relays.

Installation, configuration and maintenance instructions

Installation preparation: Before installing the 3500/15 127610-01, verify compatibility with the target 3500/20 rack and ensure firmware versions support the relay module. Confirm the 3500/05-01-02-00-00-01 power supply can accommodate the additional load. Required tools include a screwdriver set, torque wrench, and laptop with 3500 configuration software. Inspect the module for shipping damage, particularly checking relay contacts and backplane connectors.

Mounting and wiring: Insert the 3500/15 127610-01 into an available slot in the 3500/20 rack, securing it with front panel screws torqued to specified values. Power is supplied through the rack backplane. Connect field wiring to relay terminals using appropriate gauge wire for the load current, ensuring proper strain relief. Use separate conduit runs for power and signal wiring to minimize interference. Label all relay connections clearly to facilitate troubleshooting.

Configuration procedures: Power on the 3500 system and establish communication with the 3500/15 127610-01 using configuration software. Assign each relay to specific protection conditions, linking them to measurements from 125720-01 transmitters and other monitoring modules. Configure relay operation parameters including time delays, latching behavior, and reset conditions. Test each relay operation using the system’s forced operation feature to verify proper wiring and functionality.

Maintenance suggestions: Include the 3500/15 127610-01 in quarterly maintenance checks, verifying LED status indicators match system reports on 3500/61 displays. Perform periodic relay operation tests to ensure contacts remain clean and functional—particularly for relays that rarely actuate under normal conditions. During scheduled shutdowns, inspect relay contacts for signs of arcing or wear and verify contact resistance with a multimeter. Check for firmware updates annually to ensure compatibility with other system components and access to the latest diagnostic features.

Service and guarantee commitment

Bently Nevada provides the 3500/15 127610-01 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions, including relay operation, diagnostic accuracy, and backplane communication. Our technical support team offers expert guidance on relay configuration, protection strategy development, and integration with 125720-01 temperature transmitters, 3500/61 displays, and other system components.

We offer specialized training on protection logic programming, relay maintenance, and diagnostic interpretation specific to the 3500/15 127610-01. Beyond the warranty period, our service agreements include functional testing, contact cleaning, and expedited replacement services to ensure protection system availability. Bently Nevada’s commitment to quality ensures the 3500/15 127610-01 delivers reliable protection actuation throughout its operational lifecycle, backed by our global network of service professionals and application engineers.