Vibro-Meter IOCN 200-566-000-113

Core Function Features

1. Multi-channel mixed signal acquisition: 4 dynamic vibration input channels + 2 independent tachometer speed reference channels
2. Built-in programmable signal conditioning for IEPE/ICP accelerometers, proximity probes, piezoelectric charge sensors
3. Dual-stage anti-aliasing filter with software-configurable cut-off frequency
4. Galvanic isolation between channel-to-channel, channel-to-backplane to eliminate ground loop interference
5. Dual independent relay alarm outputs (24VDC 5A contact rating) for local fault tripping and audible alert triggering
6. Multi-protocol industrial communication stack: Profinet IRT, Modbus TCP/RTU, Ethernet/IP, PROFIBUS DP
7. On-board fault self-diagnosis: open-circuit sensor detection, short-circuit protection, overvoltage monitoring, module temperature alarm
8. Real-time vibration amplitude calculation (RMS velocity, peak displacement, acceleration crest factor)
9. Event buffer storage for pre-fault and post-fault waveform snapshots

Technical Performance Parameters

• Power Supply: 24VDC ±10%, power consumption 14W
• Dynamic Input Frequency Response: 2Hz ~ 20kHz
• Measurement Range: 0.001g RMS ~ 10g RMS acceleration
• ADC Resolution: 24-bit per channel, linearity error ≤0.005% FS
• Tachometer Input Frequency Range: 0Hz ~ 10kHz, compatible with magnetic pickup and optical speed sensors
• Analog Standard Output: 4–20mA proportional vibration signal for DCS/PLC connection
• Communication Ports: 2×10/100Mbps Ethernet, 1×isolated RS485
• Operating Temperature: -20°C ~ +60°C (storage: -40°C ~ +70°C)
• Humidity Tolerance: 5% ~ 95% RH, non-condensing
• Protection Class: IP20
• Compliance Certifications: CE EN61000-6-2, ATEX II 3G Ex nA IIC T4, IECEx, ISO13849-1 SIL2

Material & Structural Characteristics

• Enclosure: Reinforced flame-retardant ABS plastic front panel, tin-plated copper PCB with marine-grade conformal coating
• Chassis: Standard 19-inch 1U Eurocard rack module, metal shielding frame as Faraday cage for EMI/RFI suppression
• Terminal Blocks: Screw-locked spring terminals, tin-plated copper contacts with anti-corrosion nickel coating
• Dimensions (H×W×D): 44mm × 483mm × 220mm
• Net Weight: 0.5kg

Working Principle

1. Vibration/speed sensor analog signals enter front-end conditioning circuit, amplify weak charge/voltage signals and filter out high-frequency electromagnetic noise
2. 24-bit high-speed ADC converts analog vibration signals to digital data, on-board FPGA executes real-time vibration characteristic calculation
3. Processed digital data transmits to VM600 rack CPU via dedicated backplane bus for machinery protection logic judgment
4. Module encapsulates vibration health data into industrial Ethernet/RS485 protocol frames and uploads to remote SCADA, DCS or historian systems
5. When vibration amplitude exceeds user-defined threshold, internal relay outputs trigger shutdown interlock or local alarm signals

Installation Requirements

1. Install in standard 19-inch industrial control cabinet rack, fixed by front panel captive screws to resist mechanical vibration
2. Maintain minimum 20mm ventilation gap above and below module for heat dissipation; avoid mounting adjacent to high-power heating components
3. Separate sensor signal cables and power cables with cable tray isolation to prevent cross-talk interference
4. Equip external 24VDC power supply with surge protection device (SPD) for lightning and transient voltage suppression
5. Ground cabinet shielding frame and module earth terminal to factory protective earth with 4mm² copper cable
6. In hazardous explosive areas, comply with ATEX wiring specifications, use intrinsically safe shielded sensor cables

Application Scenarios

• Thermal power plant steam/gas turbine, generator set monitoring & protection
• Oil & gas compressor, centrifugal pump, gearbox predictive maintenance
• Hydroelectric water turbine, large fan and blower condition monitoring
• Chemical plant high-speed rotating equipment safety interlock systems
• Heavy industry steel mill rolling mill motor and reducer vibration protection

Operation & Maintenance Notes

1. Do not hot-swap module when rack power is energized to avoid backplane bus damage
2. Calibrate sensor input gain and filter parameters through VM600 configuration software before formal operation
3. Clean front panel ventilation slits every 6 months to prevent dust accumulation leading to overheating
4. Check terminal screw tightness quarterly; loose terminals cause signal drift and false alarms
5. Store spare modules in temperature-controlled dry warehouse with anti-static packaging
6. Replace conformal coating every 5 years for modules deployed in high-humidity coastal chemical environments