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Description
The ABB PM825 3BSE010796R1 is a high-performance Processor Module serving as the core of ABB’s Advant OCS / AC 80 / S800 I/O control systems. Based on a Motorola MC68360 25 MHz CPU, it is designed for demanding process automation and distributed control applications. The module features 1 MB system Flash, 512 KB user Flash, and 1 MB RAM, with support for multiple communication protocols including Ethernet, RS-232/485, and fieldbus (AF100, DDCS). Operating on 24V DC power, it is renowned for its robustness and reliability in harsh industrial environments such as power generation and oil & gas.
Application Scenarios
In a Taiyuan-based thermal power plant, the ABB PM825 acts as the primary controller for a boiler combustion control system. The CPU executes complex PID loops to regulate fuel and air ratios, while its communication interfaces connect to remote S800 I/O racks monitoring turbine temperatures and pressures. The module’s deterministic performance ensures millisecond-level response to safety interlocks, maintaining stable plant operation under fluctuating load conditions.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | PM825 (Order Code: 3BSE010796R1) |
| Manufacturer | ABB |
| Product Category | Processor Module (CPU) for Advant OCS / AC 80 |
| Processor | Motorola MC68360, 25 MHz |
| Memory | System Flash: 1024 KB, User Flash: 512 KB, RAM: 1024 KB |
| Communication Ports | Ethernet, RS-232, RS-485, DDCS (Fiber Optic), AF100 (Advant Fieldbus 100) |
| Supply Voltage | 24 V DC (19.2 – 30 V DC) |
| Power Consumption | ~4.5 W (Typical) |
| Operating Temperature | 0 °C to +60 °C |
| I/O Expansion | Compatible with ABB S800 I/O Series (via ModuleBus) |
| Redundancy Support | Yes (Redundant power and system configurations) |
| Dimensions (WxHxD) | ~225 mm x 108 mm x 135 mm |
| Weight | ~1.0 kg |
| Mounting | DIN Rail (TS35) or Baseplate |
| Programming Software | ABB AdvaBuild, Function Chart Builder (FCB) |
