Product Short Description
Manufacturer: ABB (Switzerland/Global)
Product Overview:
The AII-CPU-03 (9ECU-101A, TI-7200376-0001) is the central processing unit (CPU) module for the ABB AC800M compact DCS / Advant OCS platform. It serves as the brain of the control system, executing application programs, managing I/O communication, and handling inter-controller data exchange.
Description
Technical Specifications:
| Parameter | Value |
|---|---|
| Processor | 32-bit RISC, 150+ MHz |
| Program Memory | 32 MB RAM, 64 MB Flash (expandable) |
| I/O Capacity | Up to 4096 I/O points (depends on bus configuration) |
| Communication | Fieldbus: Profibus DP, DeviceNet, Modbus RTU/TCP |
| Controller bus: ABB COM FIELD (FBP protocol) | |
| Redundancy | Supports hot-standby redundant CPU configuration |
| Power Supply | 24V DC (17–31V DC) |
| Operating Temp | 0°C to +60°C (standard), -25°C to +70°C (extended) |
| IP Rating | IP20 (requires enclosure for IP65) |
| Certifications | CE, UL, CSA, ATEX, IECEx, SIL 3 |
Functional Features:
- IEC 61131-3 compliant programming — Ladder, FBD, ST, IL, SFC
- Control Builder M — ABB’s engineering environment for configuration
- Redundant operation — seamless switchover on primary CPU failure (< 100ms)
- Web server — built-in HTML visualization
- Event logging — up to 10,000 events with timestamp
- Time synchronization — NTP/SNTP support
Applicable Industries: Power Generation, Oil & Gas, Chemical, Pharmaceutical, Pulp & Paper, Marine
Key Advantages:
- SIL 3 certified for safety-critical applications
- Redundant CPU ensures 99.999% system availability
- Wide I/O range — single CPU manages thousands of points
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