The INLIM03 is a Loop Interface Module (LIM) used within the ABB Bailey Infi 90 DCS architecture. It provides a communication link between the loop processors and the rest of the control system, such as Human-Machine Interfaces (HMI), historical data archives, and control logic processors. The module enables the transfer of both analog and digital I/O data, allowing for accurate monitoring and control of plant processes.
Engineered with reliability and compatibility in mind, the INLIM03 is widely used in legacy Bailey Infi 90 systems found in power plants, chemical plants, refineries, and manufacturing facilities where long-term operational stability is a priority.
Technical Specifications
| Parameter | Value |
| Model Number | INLIM03 |
| System Compatibility | Bailey INFI 90, Net 90 |
| Mounting | DIN Rail or Rack Mount (INFI 90 rack) |
| Power Supply | Supplied from the system power bus |
| Communication Ports | Infi-NET loop interface connectors |
| Protocol Support | Proprietary ABB Infi-NET protocols |
| Indicators | LED indicators for module health & status |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
Functional Characteristics
- System Integration: The INLIM03 acts as a communication bridge that links multiple field loop processors with control logic modules and HMIs, facilitating synchronized control across various system layers.
- Real-Time Communication: The module processes and forwards input/output data with minimal latency, ensuring real-time responsiveness across control loops.
- Error Reporting: The onboard diagnostics continuously monitor communication health and system errors, alerting operators to potential issues for preventive maintenance.
- Hot Swapping Capability: Supports live replacement in redundant configurations without system shutdown, enabling maximum uptime.
- Data Isolation: Electrical isolation between channels helps prevent noise and surges from affecting signal integrity.
- Legacy System Extension: As part of the legacy Infi 90 series, the INLIM03 allows users to extend or upgrade existing DCS systems without needing a full infrastructure overhaul.
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