Description
Bently 350032M Channel Relay Module
350032M
The BENTLY 350032M is a high-performance relay control module designed for mission-critical industrial applications, delivering reliable alarm management and automated shutdown capabilities for rotating equipment. As part of Bently Nevada’s renowned 3500 Series Machinery Protection System, this 4-channel module integrates seamlessly with vibration monitors, displacement sensors, and other 3500 Series components to ensure rapid response to machinery anomalies. Its configurable voting logic and robust design make it ideal for power generation, oil refining, and heavy manufacturing environments where downtime risks significant financial loss.
| Label |
Specification |
| Model Number |
350032M |
| Brand |
Bently Nevada |
| Type |
4-Channel Relay Control Module with Logic Programming |
| Input Voltage |
24V DC |
| Operating Temp |
-40°C to +70°C |
| Communication Method |
RS-485 (Modbus RTU), Ethernet (optional) |
| Mounting |
DIN rail |
| Weight |
3.6 kg |
| Certifications |
CE, CSA (includes UL equivalence) |
| Dimensions |
216 mm x 152 mm x 89 mm |
| IP Rating |
IP65 |
| Relay Type |
Single-Pole Double-Throw (SPDT), 100,000 Cycle Contact Life |
350032M
The 350032M excels in precision and adaptability, supporting a wide range of monitoring scenarios. Its 4 independent relay outputs can be individually programmed via Bently Nevada’s 3500 Rack Configuration Software to execute voting logic (e.g., 2-out-of-3 or 3-out-of-4) and alarm drive logic, ensuring robust protection against false triggers. For example, in a steam turbine system, the module can be configured to trip the unit only when both high vibration (from a 3500/42M Vibration Monitor) and axial displacement (from a 350045 Position Monitor) exceed thresholds simultaneously .
In oil refining, the module supports
API 617-compliant compressor protection systems, monitoring casing expansion and seal integrity during start-up/shutdown cycles. Its ability to execute
voting logic ensures that alarms are only acted upon when multiple sensors confirm a fault, reducing false trips and improving process stability. For SCADA and DCS systems, the
350032M provides analog (4–20 mA) and digital outputs for real-time data visualization, enabling predictive maintenance strategies that reduce energy consumption by up to 15% .
350032M
- 3500/25 – A Keyphasor Module that synchronizes relay triggers with rotational speed measurements for holistic machinery analysis .
- 3500/42M – A high-resolution vibration monitor that feeds critical data to the 350032M for shutdown decisions .
- 3500/33 – A 16-channel relay module with failsafe options for hazardous environments (e.g., Class 1, Division 2 zones) .
- 3500/64M – A dynamic pressure monitor often paired with the 350032M for comprehensive turbine health assessment .
- 3500/92 – A communication gateway module that enables Ethernet connectivity for remote data integration .
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