ABB 3BDH000002R1ABB PM802F Base Unit (4MB RAM), Spare Part Number 3BDH000002R1, AC 800F Freel...
ABB PM802F Base Unit (4MB RAM), Spare Part Number 3BDH000002R1, AC 800F Freelance Distributed Control System Main Processor Module Core Function Description This is the primary CPU processing master module for ABB Freelance AC 800F hybrid DCS/PLC automation racks. It executes real-time process control logic, PID regulation, sequence control, safety interlock algorithms, and fault diagnosis for industrial process plants. It features battery-backed 4MB RAM to retain control programs, parameter settings and historical event logs during power outages. The module integrates dual serial communication ports, onboard Ethernet, and internal backplane bus interfaces to connect I/O modules, operator HMI panels, fieldbus adapters, and engineering workstations. It supports hot standby redundant operat

Product Description
ABB PM802F Base Unit (4MB RAM), Spare Part Number 3BDH000002R1, AC 800F Freelance Distributed Control System Main Processor Module Core Function Description This is the primary CPU processing master module for ABB Freelance AC 800F hybrid DCS/PLC automation racks. It executes real-time process control logic, PID regulation, sequence control, safety interlock algorithms, and fault diagnosis for industrial process plants. It features battery-backed 4MB RAM to retain control programs, parameter settings and historical event logs during power outages. The module integrates dual serial communication ports, onboard Ethernet, and internal backplane bus interfaces to connect I/O modules, operator HMI panels, fieldbus adapters, and engineering workstations. It supports hot standby redundant operat
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3BDH000002R1 |
| Category | Industrial Automation |
| Matching I/O modules | AI810 analog input, AO810 analog output, DI810 digital input, DO810 digital output |
| Communication interface modules | CI801 PROFIBUS adapter, CI854 Modbus TCP module |
| Ethernet/serial communication dropout | Burned port transceiver IC, loose wiring terminals |
| Lost control program after power cycle | Dead lithium backup battery (most frequent failure) |
| Power | 50 W Communication |
| Resolution | 32-bit industrial |
| Mounting | rack mount |
| Speed | 4MB |
| Speed 2 | 2MB |
| Redundancy | standby redundant |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |