+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
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Product Overview
The Bently Nevada 3500/32 125712-01 is a high-reliability 4-Channel Relay Module engineered for mission-critical machinery protection systems. As part of the 3500 Series, this full-height module provides four independent relay outputs, each programmable to execute custom voting logic for alarm and trip functions. It interfaces seamlessly with other 3500 Series components (e.g., vibration monitors, communication gateways) to deliver real-time control in industrial environments, ensuring safe shutdowns and preventing equipment damage in applications like turbines, compressors, and pumps.
Designed with epoxy-sealed construction and electrical isolation, the 3500/32 125712-01 withstands harsh conditions (e.g., EMI, high vibration) while maintaining signal integrity. Each relay channel features double-pole double-throw (DPDT) contacts, supporting both normally open (NO) and normally closed (NC) configurations. The module’s alarm drive logic allows integration with monitoring channels to trigger relays based on predefined thresholds (e.g., vibration, temperature), enabling proactive response to machinery anomalies.
In automation architectures, the 3500/32 125712-01 acts as a critical interface between monitoring systems and external actuators (e.g., solenoid valves, alarms). Its compatibility with 3500 Rack Configuration Software simplifies programming for complex logic scenarios, while hot-swappable design minimizes downtime during maintenance. By translating sensor data into actionable outputs, this module enhances operational safety and reduces unplanned outages across industries like oil & gas, power generation, and water treatment.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 3500/32 125712-01 |
| Manufacturer | Bently Nevada |
| Product Type | 4-Channel Relay Module (3500 Series) |
| Input Voltage | 24 VDC ±10% |
| Power Consumption | 6 W typical |
| Relay Configuration | 4 DPDT channels (8 contacts total) |
| Contact Ratings | 30 A continuous, 100 A inrush |
| Isolation Voltage | 1000 VDC (input/output to ground) |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 5% to 95% non-condensing |
| Physical Dimensions | 241 mm x 24.4 mm x 242 mm (9.50″ x 0.96″ x 9.52″) |
| Weight | 0.5 kg (1.10 lb) |
| Certifications | API 670, CE, RoHS, SIL 2 (when part of TMR system) |
Key Features and Advantages
Flexible Logic Programming: The 3500/32 125712-01 supports AND/OR logic for alarm drive functions, allowing relays to actuate based on single or combined inputs from monitoring channels. This versatility enables tailored responses to machinery faults, such as cascading shutdowns in multi-unit systems.
Robust Design: Its epoxy-sealed enclosure and galvanic isolation protect against moisture, dust, and electrical transients, ensuring reliable operation in harsh industrial settings. The module’s 100,000-cycle contact life reduces maintenance costs compared to mechanical relays.
Real-Time Diagnostics: Front-panel LEDs indicate relay status (green for normal, red for alarm) and communication activity (TX/RX). Built-in self-testing detects open circuits or sensor failures, flagging issues before they escalate.
Hot-Swap Capability: The module can be replaced while the system remains powered, minimizing downtime during maintenance. This feature is critical for industries where continuous operation is essential.
Compliance and Compatibility: Designed to API 670 standards, the 3500/32 125712-01 integrates with Bently Nevada’s System 1 software for advanced analytics. It also supports Modbus RTU via the 3500/92 gateway, enabling seamless integration with PLCs and SCADA systems.
Application Areas
The Bently Nevada 3500/32 125712-01 excels in applications requiring precise relay control for machinery protection:
- Oil & Gas: Triggering emergency shutdowns (ESDs) in offshore platforms and refineries based on vibration or pressure thresholds.
- Power Generation: Controlling turbine trips and generator synchronization in power plants.
- Water/Wastewater: Actuating pumps and valves in treatment facilities to maintain flow stability.
- Manufacturing: Managing conveyor belt stops and motor protection in automotive assembly lines.
- Aerospace: Simulating fault conditions during engine testing to validate safety protocols.
By converting monitoring data into physical actions, the 3500/32 125712-01 empowers predictive maintenance strategies, reduces repair costs, and ensures compliance with safety regulations. Its adaptability makes it suitable for both standalone systems and large-scale automation networks.
Related Products
- 3500/34 TMR Relay Module: A triple modular redundant variant for high-integrity systems, offering enhanced fault tolerance.
- 3500/22M Transient Data Interface: Collects and transmits vibration data to System 1 software, complementing the 3500/32 for comprehensive health monitoring.
- 3500/92 Communication Gateway: Enables Modbus RTU/TCP connectivity between the 3500/32 and external control systems.
- 3500/15 Power Supply: Provides redundant power to the 3500 rack, ensuring continuous operation of the 3500/32.
- 330130 Proximity Probe: A sensor compatible with the 3500 Series, delivering shaft position data for relay triggering.
- 149986-02 Spare Relay Module: A replacement part for the 3500/32, designed for quick field replacement.
Installation and Maintenance
Pre-Installation Preparation:
Power off the 3500 rack and verify grounding. Use 3500 Rack Configuration Software to assign slot addresses and program relay logic. Mount the 3500/32 125712-01 in any slot to the right of the rack interface module, ensuring secure alignment with backplane connectors. Terminate field wiring using the module’s screw terminals, following polarity guidelines.
Power off the 3500 rack and verify grounding. Use 3500 Rack Configuration Software to assign slot addresses and program relay logic. Mount the 3500/32 125712-01 in any slot to the right of the rack interface module, ensuring secure alignment with backplane connectors. Terminate field wiring using the module’s screw terminals, following polarity guidelines.
Maintenance Recommendations:
Regularly inspect LEDs for fault indicators and clean dust from vents to prevent overheating. Recalibrate relays annually using Bently’s 3500 Test Utilities to maintain contact reliability. For hot-swapping, depress the front-panel release latch and remove the module while the system is running; replace with a spare 149986-02 module to minimize downtime.
Regularly inspect LEDs for fault indicators and clean dust from vents to prevent overheating. Recalibrate relays annually using Bently’s 3500 Test Utilities to maintain contact reliability. For hot-swapping, depress the front-panel release latch and remove the module while the system is running; replace with a spare 149986-02 module to minimize downtime.
Product Warranty and Support
The Bently Nevada 3500/32 125712-01 is backed by a 1-year warranty, covering defects in materials and workmanship. Bently’s global support network provides 24/7 technical assistance for configuration, troubleshooting, and firmware updates. With spot inventory and a 3-day delivery time after payment, customers benefit from rapid deployment and reduced project delays. This commitment to quality ensures seamless integration and long-term performance in mission-critical industrial environments.
HS:7326909000
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