3BSE076939R1 ABB PM866K01 CPU Board

General Information:

• Article Number: 3BSE076939R1 (PM866AK01)
• Clock Frequency: 133 MHz
• Memory: 64 MB (RAM available for application: 51.389 MB)
• Flash Memory: Yes (4 MB for firmware storage)
• Processor Type: MPC866
• Redundancy: Not supported
• High Integrity: No
• Power Supply: 24 V DC (19.2-30 V DC)
• Built-in Back-up Battery: Lithium, 3.6 V
• Ethernet Channels: 2
• Ethernet Interface: Ethernet (IEEE 802.3), 10 Mbit/s, RJ-45 (female, 8-pole)
• Control Network Protocol: MMS (Manufacturing Message Service) and IAC (Inter Application Communication)
• Recommended Control Network Backbone: 100 Mbit/s switched Ethernet

Performance and Features:

• Supports up to 32 applications per controller.
• Modularity allows step-by-step expansion.
• Full EMC certification.
• Built-in redundant Ethernet communication ports.
• Sectioned CEX-Bus using BC810 / BC820 modules.
• Flash PROM for firmware storage.
• Clock synchronization between AC 800M controllers.
• Event queue for OPC clients (up to 3000 events).
• Communication modules on CEX bus (12 modules).
• I/O capacity on Modulebus (max 96 for single PM866 or 84 for redundant PM866).

Interfaces and Connectivity:

• Two RS-232C interfaces (COM3 and COM4).
• COM3: RS-232C, 75-19,200 baud, RJ-45 (not opto-isolated, full RTS-CTS support).
• COM4: RS-232C, 9,600 baud, RJ-45 (opto-isolated, no RTS-CTS support).

Environmental Specifications:

• Operating Temperature: +5 to +55 °C (+41 to +131 °F).
• Storage Temperature: -40 to +70 °C (-40 to +158 °F).
• Relative Humidity: 5% to 95% (non-condensing).
• Rated Isolation Voltage: 500 V AC.