Description
BENTLEY NEVADA 149992-01 16-Channel Relay Output Module
The BENTLEY NEVADA 149992-01 is a high-reliability relay output module designed for the 3500 Machinery Protection System, a critical component in industrial automation for rotating machinery monitoring. This module plays a pivotal role in translating real-time machinery health data into actionable signals, ensuring safety and operational efficiency.
The
149992-01 is a 16-channel relay output module engineered to interface with BENTLEY NEVADA’s 3500 system. It converts analog or digital signals from vibration, displacement, or temperature sensors into discrete relay outputs, triggering alarms, shutdowns, or control actions. With a compact design and rugged construction, it withstands harsh industrial environments, making it ideal for mission-critical applications in power generation, oil & gas, and manufacturing.
Parameter |
Specification |
Channels |
16 |
Output Type |
Relay (SPST/DPDT) |
Contact Rating |
10A at 125VAC or 28VDC |
Input Voltage |
24V DC |
Operating Temperature |
-40°C to +85°C |
Dimensions |
210 mm × 107 mm × 43 mm (8.3″ × 4.2″ × 1.7″) |
Weight |
1 kg (2.2 lbs) |
Compatibility |
BENTLEY 3500/33 Mainframe |

- High Channel Density: 16 independent relays enable simultaneous control of multiple devices.
- Reliable Performance: Rated for 10A switching capacity, ensuring robust operation under heavy loads.
- Wide Temperature Range: Operates in extreme conditions, reducing downtime in challenging environments.
- Easy Integration: Plug-and-play compatibility with the 3500 system minimizes installation complexity.
- Longevity: Designed for 10 million mechanical operations, extending maintenance intervals.
- Industries: Power plants, petrochemical facilities, steel mills, and water treatment plants.
- Applications:
- Triggering emergency shutdowns for turbines or compressors.
- Activating alarms or auxiliary systems based on vibration thresholds.
- Controlling cooling systems in response to temperature spikes.
- Case Example: A power plant reduced unplanned outages by 25% by using the 149992-01 to automate shutdowns during 异常 shaft vibrations, preventing catastrophic failures.

The 149992-01 outperforms comparable modules with:
- Higher Channel Count: 16 vs. typical 8–12 channels in similar products.
- Extended Temperature Range: Supports -40°C to +85°C, exceeding industry standards.
- Space Efficiency: Compact design saves rack space in crowded control systems.
- System Compatibility: Ensure compatibility with BENTLEY 3500/33 racks and existing sensors.
- Load Requirements: Match relay contact ratings to the current/voltage of external devices.
- Environment: Prioritize this module for high-temperature or high-vibration settings.
- Installation: Power off the system before module replacement to avoid electrical damage.
- Maintenance: Regularly inspect relay contacts for wear to ensure reliable switching.
- Voltage Stability: Use a filtered power supply to prevent voltage spikes affecting performance.
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BENTLEY NEVADA 149992-01 and automation spare parts. Visit
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