ABB|PM858AK02|Processor Unit
ABB PM858AK02 Processor Unit
Description
The ABB PM858AK02 is a single-configuration processor unit for the AC 800M control system, part of the PM858A series with enhanced packaging.
Features
• MPC860 microprocessor at 48 MHz
• 16 MB SDRAM with internal or external battery backup
• Supports up to 12 S800 I/O units via ModuleBus
• Four onboard communication ports
• Requires RCU Link Termination plug TB852 in single configuration
Technical Specifications
• Processor: MPC860 RISC, 48 MHz
• Memory: 16 MB SDRAM; 2 MB flash PROM
• Battery Backup: Internal (min. 36 hours); external SB821 (min. 3 weeks); SB822 (min. 85 hours)
• Ethernet Ports: CN1 and CN2, 10Base-T IEEE 802.3
• Serial Ports: COM3 (RS-232C with modem signals); COM4 (opto-isolated RS-232C for service)
• I/O Capacity: Up to 12 S800 I/O units on electrical ModuleBus
• Power Supply: 24 V DC nominal (19.2–30 V DC range)
• Current Consumption: 250 mA typical, 430 mA max (excluding bus supply)
• Power Dissipation: 6 W typical; 11 W with full ModuleBus and CEXBus load
• Dimensions: 119 mm (W) × 186 mm (H) × 135 mm (D)
• Weight: 2800 g
ABB|PM858AK02|Processor Unit
ABB PM858AK02 Processor Unit
Description
The ABB PM858AK02 is a single-configuration processor unit for the AC 800M control system, part of the PM858A series with enhanced packaging.
Features
• MPC860 microprocessor at 48 MHz
• 16 MB SDRAM with internal or external battery backup
• Supports up to 12 S800 I/O units via ModuleBus
• Four onboard communication ports
• Requires RCU Link Termination plug TB852 in single configuration
Technical Specifications
• Processor: MPC860 RISC, 48 MHz
• Memory: 16 MB SDRAM; 2 MB flash PROM
• Battery Backup: Internal (min. 36 hours); external SB821 (min. 3 weeks); SB822 (min. 85 hours)
• Ethernet Ports: CN1 and CN2, 10Base-T IEEE 802.3
• Serial Ports: COM3 (RS-232C with modem signals); COM4 (opto-isolated RS-232C for service)
• I/O Capacity: Up to 12 S800 I/O units on electrical ModuleBus
• Power Supply: 24 V DC nominal (19.2–30 V DC range)
• Current Consumption: 250 mA typical, 430 mA max (excluding bus supply)
• Power Dissipation: 6 W typical; 11 W with full ModuleBus and CEXBus load
• Dimensions: 119 mm (W) × 186 mm (H) × 135 mm (D)
• Weight: 2800 g
