The IMFEC12 is a versatile analog input module belonging to the ABB Bailey INFI 90 and Symphony Plus strategic enterprise platforms. It is designed to interface process signals from various field transmitters directly into the Multi-Function Processor (MFP) or Harmony Control Unit. The module is capable of processing a wide array of analog signals, making it a foundational component for monitoring temperature, pressure, and flow in power generation and large-scale process industries.
Product Datasheet & Parameters
Product Technical Description
The IMFEC12 serves as the primary data acquisition bridge for the Bailey control system. It converts physical process variables into digital values that the system logic can use for PID control, alarming, and data logging.
Key Technical Attributes:
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Individual Channel Configuration: Each of the 15 channels can be independently configured via software for different signal ranges, providing high flexibility in mixed-signal environments.
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Cold Junction Compensation: When used with appropriate termination units, the module supports thermocouple inputs with integrated cold junction compensation for accurate temperature measurement.
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On-Board Microprocessor: Features an internal processor that manages the analog-to-digital conversion cycle and performs periodic self-calibration to ensure long-term accuracy.
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Analog Filtering: Built-in hardware and software filters attenuate 50/60 Hz noise and high-frequency interference, which is critical in electrically noisy industrial settings.
Country of Origin
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Original Country: USA (United States)
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Manufacturer: ABB / Bailey Controls Company
Common Questions & Answers (Q&A)
Q: Can the IMFEC12 be used in an older Network 90 system? A: Yes, the IMFEC12 is designed for backward compatibility with most Network 90 hardware, provided the appropriate termination units (like the NTMU01) and cable assemblies are used.
Q: What is the difference between the IMFEC11 and the IMFEC12? A: The IMFEC12 is an upgraded version offering improved processing speed and expanded configuration options for diverse input ranges compared to the earlier IMFEC11 model.
Q: How does the system recognize a module failure? A: The IMFEC12 performs continuous self-diagnostics. If the internal A/D converter or processor fails, the module will trip the “Status LED” to red and report a module error code to the Multi-Function Processor via the Slave Bus.
Q: Is calibration required during installation? A: While the module is factory-calibrated, it is standard practice to perform a “loop check” or zero/span verification through the engineering workstation (Composer or WinTools) to ensure the entire signal path from the field to the HMI is accurate.
