ABB 3BHE024747R0101 Control Board | Crowbar Drive PCB
Description
ABB 3BHE024747R0101 PM866A Control Board is a high-performance programmable logic controller (PLC) main CPU module designed for harsh industrial environments, serving as a core component of the ABB AC 800M distributed control system (DCS). It delivers exceptional reliability and processing power for large-scale industrial applications.
| Specification | Value |
|---|---|
| Product Model | 3BHE024747R0101 (PM866A) |
| Manufacturer | ABB |
| Product Type | PLC Main CPU Module |
| Processor Architecture | 32-bit RISC, higher clock speed than PM864A |
| Program/Data Memory | 64 MB (4 times that of PM864A) |
| Maximum I/O Capacity | 48,000 I/O points |
| Communication Interfaces | Dual Profibus DP Master, RS-232 Service Port, 10/100 Mbps Ethernet (Control Network) |
| Redundancy Support | CPU Hot Standby, switchover time less than 10 ms |
| Typical Execution Cycle | 5 to 30 ms (depends on program size) |
| Supply Voltage | 24 V DC (supplied via backplane) |
| Operating Temperature | 0 to 60 degrees Celsius |
| Certifications | IEC 61508 SIL 3 (with AC 800M safety extensions), CE, UL, cUL |
Key Features:
- High-performance 32-bit RISC processor for fast and reliable program execution
- Expanded 64 MB memory for large-scale control programs and data storage
- Support for up to 48,000 I/O points to handle complex industrial processes
- Seamless CPU hot standby with switchover time under 10 ms for uninterrupted operation
- Multi-protocol communication interfaces for flexible integration with industrial networks
- Compliance with strict safety and industry standards for use in critical applications
Applications:
- Large-scale oil refinery DCS systems and advanced process control (APC) applications
- Supercritical thermal power plants and LNG receiving terminals
- Harsh industrial environments requiring high reliability and continuous operation
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