1. Product Positioning

The AC 800M high-performance process controller is designed for advanced industrial automation applications in DCS and PLC scenarios. It serves as a central execution unit for logic control, closed-loop regulation, data acquisition, field device coordination, and system-level communication management.

With the official ABB material code 3BHE024577R0101, the controller ensures full compatibility with other components in the AC 800M series, enabling smooth expansion, replacement, and integration within existing system architectures.

It naturally interfaces with System 800xA, Freelance 800F, and the S800/S900 I/O families, making it suitable for process industries requiring stability, precision, and scalable operation.

2. Core Technical Parameters
2.1 Electrical & Processing Performance

Power Supply:

24 VDC industrial standard input

Maximum power consumption ≤ 4.5 W, optimized for low energy use

Processing Hardware:

High-performance 32-bit RISC multi-core CPU

Supports smooth execution of advanced process-control algorithms (PID, logic sequencing, multivariable regulation)

2.2 Storage & Memory Resources

128 MB RAM for real-time data processing

512 MB Flash for application program storage and long-term retention of control logic, parameters, and firmware

Designed for continuous 24/7 operation without data integrity loss

2.3 Communication Capabilities

Native support for mainstream industrial communication protocols:

PROFIBUS DP/PA

Modbus RTU / Modbus TCP

EtherNet/IP

OPC UA

Likely equipped with dual redundant Ethernet ports, enabling stable and fault-tolerant communication with field devices, SCADA/HMI systems, and upper-layer networks.

3. Environmental & Physical Specifications

Operating Temperature: –40 °C to +70 °C (industrial extreme-condition tolerance)

Protection Rating: IP20 — suitable for installation inside protected control cabinets

Dimensions: approx. 150 × 100 × 50 mm

Weight: approx. 1.7 kg

Design Features: Compact, modular construction allowing high-density installation and easy system expansion

4. Core Functions and Advantages
4.1 High-Precision Control

Supports PID, logic control, cascade and multivariable strategies

Accurately acquires key process signals such as temperature, pressure, flow, and position

Issues precise, stable control commands to actuators and field devices

Suitable for dynamic, fast-responding process environments

4.2 Flexible Expansion & Adaptability

Compatible with both digital and analog I/O

Seamless expansion using S800 / S900 modular I/O families

Scalable to match small, medium, and large process-industry applications

Allows flexible architecture configurations based on on-site requirements

4.3 High Reliability Operation

Industrial-grade wide-temperature tolerance ensures performance in harsh environments such as petrochemicals, power generation, metallurgy, and water treatment

Low-power design reduces thermal stress and extends equipment life

Redundant communication port design minimizes communication faults and enhances system stability

4.4 Easy Maintenance

Modular construction enables quick installation, removal, and replacement

Compatible with upper-layer engineering tools for remote debugging, diagnostics, and firmware upgrades

Reduces on-site troubleshooting time and total maintenance cost

ABB PPC907BE 3BHE024577R0101｜Process Control Unit｜