ABB PM866AK01 (3BSE076939R1) – AC800M Controller CPU Module

Product Overview

ABB PM866AK01 (Order No.: 3BSE076939R1) is the high‑performance core CPU module of the ABB AC 800M series, serving as the central processing unit for the 800xA DCS platform. Built on the MPC866 processor, it delivers 133 MHz computing power, 64 MB memory, and fast logic execution for complex process automation, sequential control, and data acquisition tasks. Engineered for high reliability, modular scalability, and seamless system integration, it is ideal for power, chemical, pulp & paper, and heavy industry where continuous, precise control is critical. As a genuine ABB module, it ensures full compatibility, long‑term stability, and ISA Secure certification for mission‑critical operations.

Key Features

✅ High‑Performance Processing & Efficiency

• Processor: MPC866, 133 MHz clock speed.
• Memory: 64 MB SDRAM (51.389 MB user‑available), integrated Flash for program storage.
• Logic speed: 0.09 ms per 1,000 Boolean operations – fast execution for complex control loops.
• Power efficiency: 210 mA typical / 360 mA max (5.1–8.6 W) at 24 V DC (19.2–30 V).

✅ Redundancy & High Availability

• CPU redundancy support: Full redundancy for CPU, CEX‑Bus, communication ports, and S800 I/O; ≤10 ms switchover time.
• Dual Ethernet ports (CN1/CN2): 10 Mbps RJ45, redundant control network connectivity.
• Unique hardware identity: Pre‑assigned Ethernet address on TP830 baseplate for easy tracking.

✅ Rich Communication & I/O Capacity

• Serial interfaces: 2 × RS‑232C (COM3: modem‑capable; COM4: isolated for configuration).
• I/O scalability: Up to 96 I/O modules (single CPU) / 84 modules (redundant) via Modulebus.
• Task management: 32 tasks, cycle time down to 1 ms; 32 applications (64 programs each).
• Clock synchronization: CNCP protocol (1 ms accuracy between controllers).

✅ Rugged Design & Certified Reliability

• Protection class: IP20 (dust‑protected, safe contact) – no enclosure required.
• Environmental tolerance: 0–60 °C, 5–95% RH (non‑condensing), up to 2000 m altitude.
• EMC compliance: EN 61000‑6‑2 / 6‑4; CE, UL 508, and ISA Secure certified.
• Safety approval: IEC 61131‑2, EN 50178; suitable for general industrial and Zone 2 hazardous areas.

✅ Easy Installation & System Integration

• DIN rail mounting: Slide‑and‑lock mechanism for tool‑free installation/removal.
• 800xA compatible: Fully configurable via ABB 800xA Control Builder.
• Kit includes: CPU core, TP830 baseplate, terminators, backup battery, and mounting hardware.

Technical Specifications

表格

Parameter	Value
Model	PM866AK01
Order Number	3BSE076939R1
Processor	MPC866, 133 MHz
Memory	64 MB SDRAM; Flash storage
Logic Execution Speed	0.09 ms / 1000 Boolean ops
Ethernet Ports	2 × RJ45 (10 Mbps, redundant)
Serial Ports	2 × RS‑232C (1 isolated)
I/O Capacity	96 modules (single); 84 (redundant)
Tasks/Applications	32 tasks; 32 applications
Redundancy	CPU/CEX‑Bus/IO redundant; ≤10 ms switch
Power Supply	24 V DC (19.2–30 V)
Protection Class	IP20
Operating Temperature	0 °C to +60 °C
Dimensions (H×W×D)	186 × 119 × 135 mm
Weight	~1.1 kg

Applications

• Power Generation: Thermal, hydro, and combined cycle plant control.
• Process Industries: Chemical, oil & gas, pulp & paper, and pharmaceutical lines.
• Metallurgy: Steel rolling mills, galvanizing/pickling lines, and metal processing.
• Infrastructure: Water treatment, wastewater, and building automation systems.
• DCS/PLC Integration: Core controller for ABB 800xA and third‑party automation platforms.

Why Choose ABB PM866AK01

It is the cost‑effective, high‑reliability CPU for AC 800M systems, combining strong processing power, redundant communication, and industrial‑grade durability in a compact, DIN‑rail package. With ISA Secure certification, EMC compliance, and seamless 800xA integration, it minimizes downtime, simplifies maintenance, and scales to meet evolving production needs—backed by genuine ABB quality and global technical support.