The ABB IMMPI01 is a high-performance Multi-Function Processor Interface module specifically designed for the Symphony Harmony and INFI 90 distributed control systems (DCS). Its primary role is to manage the critical I/O data interface between a host computer and the system's communication modules, typically the INICT03. By providing high-speed SCSI and RS-232-C connectivity, the IMMPI01 facilitates seamless command and data exchange, allowing external computing assets to interact with the control network. This single-slot module features microprocessor-based circuitry, ensuring efficient processing of complex communication protocols while maintaining the high reliability required for 24/7 industrial operations.
The following specifications detail the electrical and functional characteristics of the IMMPI01:
| Parameter | Specification Details |
| Model Number | IMMPI01 |
| Manufacturer | ABB Bailey |
| Product Type | Multi-Function Processor Interface |
| Communication Ports | 1 × SCSI (High-speed); 2 × RS-232-C |
| Serial Mode | Configurable as DTE or DCE |
| Power Consumption | 2.08 W (Typical) |
| Voltage Requirements | +5 VDC @ 415 mA (via P1 Backplane) |
| Interface Connections | P3 (to NTMP01 TU); P6 (to INICT03 module) |
| Form Factor | Single-slot Printed Circuit Board (PCB) |
| Weight | 0.45 kg (Module) / 1.5 - 3.0 kg (Shipping) |
| Operating Temp | 0 °C to +60 °C (32 °F to 140 °F) |
| Storage Temp | –40 °C to +85 °C (–40 °F to 185 °F) |
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