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VMIC VMIVME-3418‌ RTD isolated Signal conditioning VME board

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The ‌VMIC VMIVME-3418‌ is a high-precision RTD isolation signal conditioning VME board designed for industrial temperature measurement applications. As part of VMIC’s VMEbus product line, this module provides exceptional noise immunity and signal integrity for platinum RTD sensors (PT100/PT1000) in harsh industrial environments. The ‌VMIVME-3418‌ features 8-channel differential input with 24-bit resolution, delivering ±0.1°C accuracy across the full -200°C to +850°C measurement range.

The ‌VMIC VMIVME-3418‌ is a high-precision RTD isolation signal conditioning VME board designed for industrial temperature measurement applications. As part of VMIC’s VMEbus product line, this module provides exceptional noise immunity and signal integrity for platinum RTD sensors (PT100/PT1000) in harsh industrial environments. The ‌VMIVME-3418‌ features 8-channel differential input with 24-bit resolution, delivering ±0.1°C accuracy across the full -200°C to +850°C measurement range.

Engineered for critical process monitoring, the ‌VMIVME-3418‌ incorporates galvanic isolation (1500VAC) and advanced EMI filtering to ensure reliable operation in electrically noisy plants. Its modular design allows seamless integration with existing VME64x systems for distributed temperature monitoring.

Technical Specifications

Parameter Name Parameter Value
Model VMIVME-3418
Manufacturer VMIC (GE Subsidiary)
Type RTD Isolation Signal Conditioner
Input Channels 8 (differential)
Sensor Types PT100/PT1000 (2/3/4-wire)
Measurement Range -200°C to +850°C
Accuracy ±0.1°C @ 0°C
Resolution 24-bit ADC
Isolation Voltage 1500VAC (channel-to-bus)
Excitation Current 0.5mA (programmable)
Update Rate 10 samples/sec (total)
Interface VME64x (A24/D16)
Operating Temp -40°C to +85°C
Power Supply +5VDC ±5%

Key Features and Advantages:

Measurement precision: The ‌VMIVME-3418‌ achieves laboratory-grade accuracy with automatic lead resistance compensation. Its proprietary algorithms correct for nonlinearity in platinum RTDs.

Robust design: Conformal coating and MIL-STD-202G vibration resistance ensure reliability in heavy industry. Hot-swappable design minimizes downtime during maintenance.

Flexible configuration: Software-selectable wire modes (2/3/4-wire) and user-defined scaling coefficients. Onboard memory stores calibration data.


Application Areas:

  • Oil & Gas‌: Pipeline temperature monitoring
  • Power Generation‌: Turbine bearing temperature
  • Chemical Processing‌: Reactor vessel monitoring
  • Food Production‌: Pasteurization control

In pharmaceutical cleanrooms, the ‌VMIVME-3418‌ provides FDA-compliant temperature documentation.

 

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  3. ‌PM511V08 3BSE011180R1‌ Industrial processor module
  4. Fanuc/GE VMIVME-4140 32-Channel 12-bit Analog Output Board
  5. ‌GE Electric丨IS220UCSAH1A PAMC Acoustic Monitor (processor)

Installation and Maintenance:

Installation preparation: Verify VME backplane compatibility and RTD wiring configuration before installing ‌VMIVME-3418‌. Use shielded twisted-pair cables for sensor connections.

Maintenance recommendations: Perform annual calibration verification using NIST-traceable standards. Check terminal tightness biannually (0.5-0.6Nm torque).


Product Assurance:

VMIC provides 12-month warranty with ISO 17025 accredited calibration services for ‌VMIVME-3418‌. Each unit undergoes 300-hour burn-in testing including thermal cycling.

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