3BSE076359R1 | ABB PM866A Processor Unit

The ABB PM866A Processor Unit is a high-performance industrial controller featuring a 133 MHz MPC866 microprocessor and 64 MB RAM, supporting up to 12 S800 I/O units.

Key Features

Microprocessor: MPC866 running at 133 MHz.
Memory:
- 64 MB RAM with internal/external battery backup.
- 4 MB Flash PROM for firmware storage.
Connectivity:
- Supports up to 12 S800 I/O units via electrical ModuleBus.
- Communication Ports:
  - CN1 and CN2: Ethernet (IEEE 802.3, 10BaseT).
  - COM3: RS-232C serial port with modem support.
  - COM4: RS-232C serial port for service tools.
- Expandable communication with additional interface units.
Redundancy:
- Redundancy Control Link for redundancy configurations.
- Switch-over time to backup CPU: <10 ms.
Storage: Compact Flash interface for application loading and cold retain data.
Power Reservoir: 5 ms internal power reservoir for controlled shutdown.

Technical Specifications

Power Requirements

Input Voltage: 24 V DC nominal (range: 19.2 V to 30 V DC).
Power Dissipation: 5.1 W typical (8.6 W with full supply to ModuleBus/CEX-Bus).
Current Consumption: 210 mA typical (360 mA max.).

Redundant Power Supply Inputs

Max Input Voltage: 30 V.
Logical “1” input voltage: ≥15 V.
Logical “0” input voltage: ≤8 V.

Dimensions and Weight

Dimensions: W 119 x H 186 x D 135 mm (4.7 x 7.3 x 5.3 in).
Weight: 1.1 kg (2.6 lb).

Backup Time

Internal Battery: Minimum 158 hours.
External Battery SB821: Minimum 15 weeks.
External Battery SB822: Minimum 16 days.
Recharge Time: ~7 hours for an empty battery.

Performance

Approximately 1.4x the performance of PM864.
Execution performance slightly reduced in redundancy mode.

Protection Rating

IP20 (EN60529, IEC 529).

Electro-Magnetic Compatibility (EMC)

Complies with EMC Directive 2004/108/EC.

Product Information

Product ID: 3BSE076359R1
ABB Type Designation: PM866A
Country of Origin: Sweden.
Gross Weight: 1.1 kg.
Net Weight: 1 kg.
Part Type: New.
Minimum Order Quantity: 1 unit.
Stocked At: SELOGVEXPU.

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