PM891K01 AC 800M Controller 24VDC CPU Module

ABB PM891K01 AC 800M Processor Unit

The PM891K01 is a high-performance controller unit for the ABB AC 800M automation system. Designed for demanding control applications, it combines fast execution with robust connectivity in a compact footprint.

Core System Specifications

• Brand & Article Number: ABB, 3BSE053241R1
• Product Type: PM891K01 Processor Unit
• Processor: MPC8270 @ 450 MHz
• Performance: 0.043 ms for 1000 boolean operations
• Memory: 256 MB total, 208.985 MB available for application
• Flash Memory: 16 MB for firmware storage
• Power Supply: 24 V DC (19.2-30 V DC range)
• Power Consumption: 660 mA typical / 750 mA max @ 24V DC
• Power Dissipation: 15.8 W (18 W max)
• Redundancy: Not supported (Non-redundant CPU)
• High Integrity: No

Communication & I/O Capacity

• Ethernet Channels: 2 ports, 10/100 Mbit/s
• Control Network Protocol: MMS & IAC over Ethernet
• CEX-Bus Modules: Supports up to 12 communication modules
• Modulebus I/O Clusters: 0 electrical + 7 optical (with non-redundant CPU)
• Modulebus I/O Capacity: Maximum 84 I/O modules
• Modulebus Scan Rate: Configurable 0-100 ms
• RS-232C Service Port: 1 (COM4, 9600 baud, RJ-45)
• Clock Synchronization: 1 ms accuracy via CNCP protocol

Software & Application Limits

• Compatible System: 800xA version 6.0.2 and onwards
• Applications per Controller: 32
• Programs per Application: 64
• Tasks per Controller: 32
• Cycle Time: Down to 1 ms per application program
• Event Queue for OPC: Up to 3000 events

Physical & Environmental Data

• Dimensions (H x W x D): 186 mm x 174 mm x 94 mm (7.32" x 6.85" x 3.70")
• Weight: 1600 g (3.5 lbs) including base
• Operating Temperature: 0°C to +55°C
• Storage Temperature: -40°C to +70°C
• Relative Humidity: 5 to 95% (non-condensing)
• Corrosion Protection: G3 compliant (ISA 71.04)
• Protection Class: IP20 (IEC 60529)
• Altitude: Up to 2000 m
• Vibration Resistance: 0.5g acceleration (50-150 Hz)

Certifications & Compliance

• Electrical Safety: EN 50178, IEC 61131-2, UL 61010-1
• Hazardous Location: UL/cULus Class 1, Zone 2, AEx nA IIC T4
• Marine: ABS, BV, DNV-GL, LR
• EMC: EN 61000-6-4 (Emissions), EN 61000-6-2 (Immunity)
• RoHS/WEEE: Compliant
• CE Mark: Yes

Package Includes

• PM891 CPU Module
• TB850 CEX-bus Terminator
• TB853 RCU Control Link Terminator
• Note: No software license included; requires separate license for 800xA.

For system configuration or to order the ABB PM891K01 (3BSE053241R1), contact our engineering sales team.

Contact: Email sales@nex-auto.com or WhatsApp +86 153 9242 9628.

Partner: NexAuto Technology Limited

© 2026 AutoNex Controls Limited. All rights reserved.