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GE VMIVME-4514

1. Technical Specifications

Analog Input (AI) Channels

  • Channels: 16 independent channels .
  • Input Modes:
    • Differential (true differential signal pairs) .
    • Pseudo-differential (single-ended) .
  • Resolution: 12-bit analog-to-digital converter (ADC) .
  • Voltage Range: Programmable via on-board jumpers .
  • Filtering: Optional 36 Hz unipolar input filter .
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Detailed content

Analog Output (AO) Channels

  • Channels: 16 independent channels .
  • Resolution: 12-bit digital-to-analog converter (DAC) .
  • Output Amplifiers: Dedicated per-channel amplifiers .
  • Voltage Range: Programmable via software .

System Integration

  • Bus Standard: VMEbus-compliant (IEEE 1014-1987) .
  • ADC Modes:
    • Random Polling: Selective channel sampling .
    • Scan Polling: Sequential channel sampling .
    • Auto-Scan: Continuous automated sampling .
  • Built-in Test (BIT): Hardware-level diagnostics .

Environmental & Electrical

  • Operating Temperature: 0°C to +55°C .
  • Power Requirements: +5VDC, ±12VDC .
  • Power Consumption: ≤20W .
  • Compliance: Industrial-grade EMI/RFI immunity .

2. Functional Features

Precision Signal Handling

  • Channel Isolation: Minimizes cross-talk for high-accuracy measurements .
  • Programmable Ranges: Adapts to sensor/actuator requirements (e.g., 0-5V, ±10V) .
  • Filtering: 36 Hz low-pass filter reduces noise in industrial environments .

Real-Time Control Capabilities

  • Deterministic Sampling: Auto-Scan mode enables fixed-interval data acquisition .
  • BIT Functionality: Self-diagnostics verify ADC/DAC integrity without interrupting operations .

Flexibility & Integration

  • Input/Output Configuration:
    • Switch between differential/pseudo-differential inputs .
    • Software-controlled voltage scaling for outputs .
  • VMEbus Optimization: Direct backplane integration for low-latency data transfers .

3. Application Scenarios

Domain Use Cases Key Capabilities Utilized
Industrial Automation Process control loops (e.g., temperature/pressure regulation in chemical plants) 12-bit ADC precision; programmable output ranges .
Training Simulators Flight/vehicle simulators with real-time feedback systems Auto-Scan mode for synchronized actuator response .
Test & Measurement Engine test stands, wind tunnel instrumentation Differential inputs for noise rejection in high-vibration environments .
Energy Management Power grid monitoring (e.g., voltage/current waveform analysis) 16-channel density; BIT for fault detection .

4. Technical Differentiation

Feature VMIVME-4514 Standard Industrial I/O Cards
Channel Density 32 channels (16 AI + 16 AO) ≤16 total channels
ADC/DAC Resolution 12-bit (industry-standard precision) 8–10-bit (lower accuracy)
Input Flexibility Differential + pseudo-differential modes Fixed input types
Diagnostics Built-in test (BIT) Limited/no self-diagnostics

5. Ordering & Ecosystem

  • Model Variants:
    • VMIVME-4514A: Includes enhanced ADC modes and filtering .
  • Compatible Systems:
    • Interoperable with GE VMIC CPU modules (e.g., VMIVME-7751) .
    • Supports GE Proficy® or third-party SCADA/PLC software .
  • Legacy Support:
    • Compatible with VME64x/VME320 backplanes .

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