Description

ABB PM783F (3BDH000364R0001) | Redundant CPU Module
PM783F (3BDH000364R0001) is a high-performance redundant CPU module of ABB AC 800M / 800xA system, commonly known as “controller”, used in process automation and critical control scenarios.

Basic Information
Brand: ABB
Model: PM783F
Material Number: 3BDH000364R0001
Series: AC 800M / System 800xA
Type: Redundant Processor Module (Controller)
Installation: DIN rail / Rack installation
Core Specifications
Processor: Motorola PowerPC MPC8247 (32-bit)
Clock Speed: Approximately 1.2 GHz
Memory:
RAM: 10 MB (including 2 MB battery backup)
Flash: 4 MB (program / configuration)
Optional: 512 MB CF card expansion
I/O Scanning: 2 ms (fastest)
Maximum I/O Points: Approximately 300 points
Power Supply: 24 VDC
Size (D×H×W): 54 × 76 × 67.5 mm
Weight: Approximately 0.15 kg
Operating Temperature: 0°C ~ +60°C
Communication Interfaces
Ethernet: 1×100 Mbps (RJ45), used for programming / upper computer communication
Serial Ports: 2 channels (RS232/RS485), supports Modbus RTU/ASCII, diagnostics
Buses: Backplane bus + expandable Profibus-DP, DeviceNet, etc.

Key Functions
Redundancy
1:1 hot backup, master-slave synchronization, fault switching ≤ 10 ms
Suitable for critical circuits in continuous production without downtime
Multi-task control
Supports 8 configurable periodic tasks + 1 high-speed cyclic task
Programming languages: IEC 61131-3 (LD/FBD/ST/SFC), C language
Diagnosis and Maintenance
Front panel LCD + buttons, display status, faults, IP address
Key lock: prevent unauthorized program download / modification
Safety Level
Supports SIL 2/3 (IEC 61508), can be used in safety instrumented systems (SIS)
Typical Applications
Power: power plant boilers, turbine control
Chemical industry: reactors, distillation towers, compressor units
Metallurgy: rolling lines, heating furnaces, continuous casting
Water treatment, pharmaceuticals, papermaking and other continuous process industries