3500/94M_BENTLY_PRODUCT_吉林易择科技技术发展有限公司

Bently Nevada 3500/94M TMR Overspeed Protection Module Key Features: • SIL 3 Certified (2oo3 voting) • 3-Channel Redundant Input • 1-99,999 RPM Range Critical Specs: ✓ ±0.01% Accuracy ✓ <15ms Response Time ✓ 4 Programmable Setpoints Safety Functions: Continuous MPU Health Monitoring Broken Wire Detection Fault-Tolerant Outputs Certifications: • API 670 Annex K • TÜV SIL 3 • DNV-GL Marine Applications: Turbine Overspeed Protection Nuclear Safety Systems Mission-Critical Rotating Assets

Grace +86 13600179521

DESCRIBE

Bently Nevada 3500/94M
Triple Modular Redundant (TMR) Overspeed Protection Module

Key Specifications:
• Safety Integrity Level: SIL 3 (IEC 61508)
• Voting Logic: 2-out-of-3 (2oo3) architecture
• Input Channels: 3 independent MPU/tach inputs

Performance Parameters:
✓ Speed Range: 1-99,999 RPM
✓ Accuracy: ±0.01% of reading
✓ Response Time: <15ms
✓ Resolution: 0.1 RPM

Protection Functions:

Programmable overspeed setpoints (4 levels)

Zero speed detection

MPU signal quality monitoring

Broken wire detection

I/O Configuration:

Inputs:
• 3x Magnetic Pickup (MPU)
• Accepts 5-28V RMS signals

Outputs:
• 4x Isolated relay (5A @ 250VAC)
• 2x 4-20mA (fault-tolerant)
• RS-485 Modbus RTU

Certifications:
• API 670 5th Ed. (Annex K)
• TÜV Rheinland SIL 3
• DNV-GL Marine Type Approved
• IECEx/ATEX Zone 2

Environmental:

Operating Temp: -40°C to +70°C

Humidity: 5-95% non-condensing

MTBF: >250,000 hours

Applications:

Steam/Gas Turbine Overspeed Protection

Nuclear Reactor Coolant Pumps

Mission-Critical Compressors

SERVICE HOTLINE Grace +86 13600179521

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