ABB PM867 PM867K01 (3BSE076355R1 AC800M Processor Unit Module

Product Description

The PM867 PM867K01 (3BSE076355R1) processor unit is a high-performance module within ABB’s AC800M controller family. It is designed for distributed control systems requiring redundancy, fast cycle execution, and robust communication. With extended firmware storage and optimized synchronization, the PM867 ensures reliable operation in mission-critical industrial environments.

Technical Specifications

• Processor: MPC866 embedded CPU

• Redundancy Switch-over Time: ≤ 10 ms

• Application Handling:

• 32 applications per controller

• 64 programs per application

• 128 diagrams per application

• 32 tasks per controller

• Cycle Times:

• 32 configurable cycle times

• Minimum cycle time down to 1 ms

• Firmware Storage: 18 MB Flash PROM

• Power Supply: 24 V DC (range 19.2–30 V DC)

• Power Consumption: Typical 210 mA, maximum 360 mA

• Power Dissipation: 5.1 W (maximum 8.6 W)

• Redundant Power Input: Supported

• Backup Battery: Lithium 3.6 V

• Clock Synchronization: 1 ms accuracy via CNCP protocol

• Event Handling:

• Up to 3000 events per OPC client

• Transmission speed: 36–86 events/sec, 113–143 data messages/sec

• Communication Modules (CEX bus): Up to 12 modules, max 2.4 A supply current

• I/O Clusters:

• Non-redundant CPU: 1 electrical + 7 optical

• Redundant CPU: 7 optical only

• I/O Capacity: Max 96 modules (single PM867) or 84 modules (redundant PM867)

• Modulebus Scan Rate: 0–100 ms depending on I/O configuration

• Electrical Modulebus Supply Current:

• 24 V: max 1.0 A

• 5 V: max 1.5 A

• Ethernet:

• 2 channels, IEEE 802.3 standard

• 10 Mbit/s, RJ-45 (8-pole female)

• Control Network Protocols: MMS and IAC

• Recommended Backbone: 100 Mbit/s switched Ethernet

• Real-time Clock Stability: 100 ppm (~1 h/year)

• RS-232 Interfaces:

• 2 ports (general + service tool)

• COM3 (non-redundant only): 75–19,200 baud, RJ-45, full RTS-CTS support

• COM4 (non-redundant only): 9,600 baud, RJ-45, opto-isolated, no RTS-CTS support

Application Scenarios

• Redundant CPU configurations for continuous process industries

• OPC-based event-driven automation systems

• Distributed control networks requiring precise synchronization

FAQ

Q: How much firmware storage does PM867 provide?  A: It offers 18 MB Flash PROM, larger than earlier models such as PM864.

Q: What is the redundancy switch-over time?  A: Maximum 10 ms, ensuring minimal disruption in redundant setups.

Q: How does PM867 differ from PM866?  A: PM867 provides expanded firmware storage and optimized redundancy handling compared to PM866.

Q: What communication protocols are supported?  A: MMS and IAC, with Ethernet IEEE 802.3 standard interfaces.