1. System Overview
Parameter Specification
Model MMS6831
Type Advanced Machinery Protection System
Application Critical rotating equipment monitoring
Standards API 670 (4th Ed.), ISO 7919, ISO 10816
Certifications SIL 2 (optional), ATEX/IECEx (optional), CE
2. System Architecture
Feature Details
Channels 8-32 channels (modular expansion)
Processor Quad-core industrial CPU with 16GB RAM
Sampling Rate 100 kHz/channel (24-bit ADC)
Dynamic Range 130 dB
Protection Latency <10 ms
3. Measurement Capabilities
Parameter Specification
Vibration • Shaft: 0-2000 µm pk-pk
• Casing: 0-100 mm/s RMS
Position • Thrust: ±5mm
• Eccentricity: 0-500 µm
Speed 0.1-50,000 RPM (0.01% accuracy)
Process 8× 4-20mA/RTD inputs
4. Sensor Support
Type Details
Eddy Current PR642x/PR9268 series (5/8/11mm)
Acceleration IEPE & 4-20mA (100mV/g to 10V/g)
Keyphasor Optical/magnetic (1-60 pulses/rev)
5. Protection Features
Function Specification
Alarm Channels 4 per measurement (Warning/Danger x 2)
Relay Outputs 16× SPDT (250VAC/5A, SIL-rated optional)
Trip Logic Configurable (1oo2, 2oo3 voting)
6. Communication Interfaces
Interface Protocols
Industrial Ethernet PROFINET, Modbus TCP
Fieldbus PROFIBUS-DP, DeviceNet
Wireless Wi-Fi (optional)
7. Environmental Specifications
Parameter Rating
Operating Temp. -30°C to +70°C
Humidity 5-95% RH (non-condensing)
Enclosure IP66 (front), IP54 (rear)
EMC Immunity EN 61000-6-2 (Industrial)
8. Mechanical Design
Attribute Value
Form Factor 19" rack (4U) or panel mount
Dimensions 482×177×350 mm (W×H×D)
Weight 15 kg (fully configured)
9. Power Supply
Input: 85-264 VAC (50/60Hz) or 24 VDC

Redundancy: Dual-redundant option

Consumption: ≤75 W (max load)

10. Diagnostic Features
Real-time FFT analysis (up to 12,800 lines)

Orbit plots and time waveform capture

Automated bearing fault detection

Web-based HMI interface

11. Ordering Options
Base Models:
- MMS6831-8 (8 channels)
- MMS6831-16 (16 channels)

Expansion:
- +8CH modules (max 32 channels)

Certifications:
- /EX (ATEX)
- /SIL (SIL 2)