PM861AK01 3BSE018157R1 ABB Processor Unit AC 800M

Overview

The ABB PM861AK01 is a high-performance processor unit designed for use in industrial automation systems. As part of the ABB AC 800M family, this processor module offers advanced control capabilities and is suitable for a wide range of applications, including complex process control and monitoring tasks.

Features and Benefits

• Reliability and Fault Diagnosis: Simple fault diagnosis procedures.
• Modularity: Allows for step-by-step expansion.
• Protection: IP20 Class protection without the requirement for enclosures.
• Configuration: Can be configured with 800xA control builder.
• Certification: Full EMC certification.
• Connectivity: Hardware based on standards for optimum communication connectivity (Ethernet, PROFIBUS DP, etc.).
• Redundant Communication Ports: Built-in redundant Ethernet communication ports.

Performance and Memory

• Clock Frequency: 48 MHz
• Performance (1000 boolean operations): 0.23 ms
• Memory: 16 MB
• RAM Available for Application: 7.155 MB
• Flash Memory for Storage: Yes

Detailed Data

• Processor Type: MPC860
• Switch Over Time in Redundant Configuration: Max 10 ms
• Number of Applications per Controller: 32
• Number of Programs per Application: 64
• Number of Diagrams per Application: 128
• Number of Tasks per Controller: 32
• Number of Different Cycle Times: 32
• Cycle Time per Application Programs: Down to 1 ms
• Flash PROM for Firmware Storage: 2 MB
• Power Supply: 24V DC (19.2-30 V DC)
• Power Consumption (+24V typ/max): 250/430 mA
• Power Dissipation (typ/max): 6.0 W (10.3 W max)
• Redundant Power Supply Status Input: Yes
• Built-in Back-up Battery: Lithium, 3.6 V
• Clock Synchronization: 1 ms between AC 800M controllers by CNCP protocol
• Event Queue in Controller per OPC Client: Up to 3000 events
• AC 800M Transmission Speed to OPC Server: 36-86 events/sec, 113-143 data messages/sec
• Comm. Modules on CEX Bus: 12
• Supply Current on CEX Bus: Max 2.4 A
• I/O Clusters on Modulebus with Non-Redundant CPU: 1 electrical + 7 optical
• I/O Clusters on Modulebus with Redundant CPU: 0 electrical + 7 optical
• I/O Capacity on Modulebus: Max 96 (single PM861A) or 84 (redundant PM861A) I/O modules
• Modulebus Scan Rate: 0 - 100 ms (actual time depending on number of I/O modules)
• Supply Current on Electrical Modulebus: 24V : max 1.0 A, 5 V : max 1.5 A
• 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
• Real-time Clock Stability: 100 ppm (approx. 1 h/year)
• RS-232C Interface: 2 (one general, 1 for service tool)
• RS-232C Interface (COM3): RS-232C, 75-19 200 baud, RJ-45 female (8-pole), not opto isolated, full RTS-CTS support
• RS-232C Interface (COM4): RS-232C, 9600 baud, RJ-45 female (8-pole), opto isolated, no RTS-CTS support

Environment and Certification

• Operating Temperature: +5 to +55 °C (+41 to +131 °F)
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Temperature Changes: 3 °C/min according to IEC/EN 61131-2
• Pollution Degree: Degree 2 according to IEC/EN 61131-2
• Corrosion Protection: G3 compliant to ISA 71.04
• Relative Humidity: 5 to 95 %, non-condensing
• Emitted Noise: < 55 dB
• Vibration: 10 < f < 50 Hz: 0.0375 mm amplitude, 50 < f < 150 Hz: 0.5 g acceleration, 5 < f < 500 Hz: 0.2 g acceleration
• Rated Isolation Voltage: 500 V a.c.
• Dielectric Test Voltage: 50 V
• Protection Class: IP20 according to EN 60529, IEC 529
• Altitude: 2000 m according to IEC/EN 61131-2
• Emission & Immunity: EN 61000-6-4, EN 61000-6-2
• Environmental Conditions: Industrial
• CE Mark: Yes
• Electrical Safety: EN 50178, IEC 61131-2, UL 508
• Hazardous Location: UOL 60079-15
• Marine Certificates: ABS, BV, DNV-GL, LR (PM861AK01, PM861AK02)
• TUV Approval: No
• WEEE Compliance: DIRECTIVE/2012/19/EU

Dimensions

• Width: 196 mm (7.3 in.)
• Height: 119 mm (4.7 in.)
• Depth: 135 mm (5.3 in.)
• Weight (including base): 1200 g (2.6 lbs)

Conclusion

The ABB PM861AK01 processor unit is an essential component for any advanced industrial automation system. Its powerful processing capabilities, robust design, versatile connectivity options, and advanced control functions make it a reliable and efficient choice for a wide range of industrial applications. With its ability to perform under harsh conditions and its comprehensive feature set, the PM861AK01 ensures optimal performance and longevity in demanding environments.