ABB 3BHE037864R0107 (PM864) AC800M DCS Controller CPU Module

ABB 3BHE037864R0107 (PM864) AC800M DCS Controller CPU Module

Product Description

ABB 3BHE037864R0107, model PM864, is the main CPU controller module for AC800M distributed control system, rack plug-in type. It adopts high-performance PowerPC dual-core processor, supporting hot redundant operation with bumpless master-standby switchover for high availability in continuous industrial processes. It complies with IEC61131-3 programming standard for logic, sequence and PID regulatory control. It communicates with I/O modules via backplane bus, integrates multiple industrial fieldbus interfaces and OPC UA. Built-in hardware diagnostics, fault logging and power-fail protection. It serves as main control unit for large process automation in power and petrochemical plants.

Technical Specifications

• Product Name: AC800M DCS PM864 Main CPU Module
• Brand: ABB
• Model: 3BHE037864R0107 (PM864)
• CPU: PowerPC dual-core processor
• Memory: 2GB DDR3, expandable up to 4GB
• Programming Standard: IEC61131-3 (LD/FBD/ST/SFC)
• Redundancy: Hot standby CPU redundancy, switchover time <100ms
• Interfaces: Ethernet, Profibus DP, Profinet IRT, OPC UA
• I/O Expansion: Connect all AC800M I/O modules via rack backplane bus
• Storage: Onboard flash memory for program & parameter retention after power loss
• Power Supply: 24VDC via rack backplane
• Mounting: Plug-in card for AC800M rack
• Protection Class: IP20 (cabinet installation)
• Operating Temperature: -25℃ ~ +70℃
• Relative Humidity: 5~95%, non-condensing
• Diagnostics: Hardware self-test, event logging, watchdog protection
• Engineering Software: Control Builder M for programming, commissioning and online monitoring
• Certifications: CE, RoHS, compliant with IEC industrial standards

Application

1. Main controller for AC800M DCS in petrochemical, thermal power, paper and metallurgy industries
2. Continuous process control including PID regulation, interlock and sequence logic
3. Hot redundant control system to guarantee non-stop operation and reduce downtime risk
4. Connect with DCS operator stations for process data acquisition, monitoring, alarm and historical logging
5. Retrofit and spare part replacement for legacy AC800M control systems

Same Series Models

3BHE037864R0106, 3BHE037864R0108, 3BHE022291R0105 (PM861), 3BHE019719R0101 (PM866), 3BHE025541R0101 (PM856)