PM783F 3BDH000364R0005 CPU by ABB Precision Industrial Control Series
Description
PM783F 3BDH000364R0005 CPU is a high-performance controller main unit from ABB’s AC 800M High Performance Controller Series, designed for large, demanding process automation and safety applications. It integrates basic process control and safety instrumented system functions on a single certified hardware platform, eliminating separate system boundaries for simplified engineering and operation.
| Specification | Value |
|---|---|
| Safety Integrity Level | SIL 2/3 (IEC 61508) |
| Processor Architecture | High-performance industrial-grade with integrated FPU (Motorola Power PC MPC8247) |
| Memory | 10 MB total; 2 MB battery-backed SRAM, 8 MB SDRAM, 4 MB FLASH ROM |
| Redundancy Support | 1:1 hot standby with dedicated fiber optic synchronization link |
| Deterministic Scan Cycle | Less than 100 ms (depends on application complexity); supports multi-task scheduling |
| Operating Temperature | 0 to 60 degrees Celsius |
| Relative Humidity | 5% to 95%, no condensation |
| Power Requirement | 24 V DC, supplied via controller base module |
| Communication Interfaces | 1 x 100 Mbit/s Ethernet (RJ45), 2 serial interfaces (1 for Modbus, 1 for diagnostics); supports PROFIBUS, MODBUS ASCII/RTU, IEC 60870-5-101 |
| Maximum I/O Modules | 8 |
| Certifications | CE, UL, ATEX (system evaluation required) |
Key Features:
- Integrated Control and Safety System (ICSS) architecture, combining basic process control and SIL 2/3 safety functions on one platform
- Seamless 1:1 hot standby redundancy with bumpless switchover for continuous process operation
- High-speed I/O scanning (2 ms for local S700 I/O modules) with channel-level short circuit and open circuit detection
- Front-panel status display and key-lock security to prevent unauthorized firmware and application downloads
- Unified engineering environment for programming, testing, and simulation of control and safety logic
Applications:
- Oil and gas: Offshore platform safety instrumented systems, onshore oil and gas processing plants, LNG liquefaction and receiving terminals
- Chemical and petrochemical: Large continuous process units, coal chemical facilities, critical reactor and distillation tower control
- Power generation: Combined cycle gas turbine unit control, large boiler combustion management and safety protection
- Critical infrastructure: Core process control and safety interlocks for large water treatment and wastewater plants
Related Models:
- PM803F
- PM782F
- PM781F