Description

The ABB LSP086388-001 is a high-performance central processing unit (CPU) module designed for the ABB AC 800M programmable logic controller (PLC) platform—a cornerstone of ABB’s industrial automation architecture widely deployed in power generation, water treatment, mining, oil & gas, and heavy process industries. As a direct successor or functional equivalent to earlier models like the PM864, the ABB LSP086388-001 delivers enhanced computational power, expanded memory capacity, and advanced communication capabilities while maintaining full backward compatibility with existing AC 800M I/O and application code.

Engineered for mission-critical control tasks, the ABB LSP086388-001 supports IEC 61131-3 programming standards, enabling seamless development of complex logic, motion coordination, and process algorithms using Control Builder M. It features dual Ethernet ports for integration into redundant network topologies, supporting protocols such as Modbus TCP, OPC UA, and native ABB Advant Protocol for real-time data exchange with System 800xA—ABB’s unified DCS/PLC/HMI ecosystem. The module also enables controller redundancy (hot standby), ensuring uninterrupted operation during hardware failures or maintenance interventions.

Positioned as the intelligent core of modernized or greenfield automation systems, the ABB LSP086388-001 provides deterministic scan performance, robust cybersecurity features (including secure boot and firmware integrity checks), and comprehensive diagnostics that reduce mean time to repair (MTTR). Its reliability and scalability make it an ideal choice for applications demanding high availability, precise timing, and long-term lifecycle support.

ABB LSP086388-001

Technical Specifications

Product Model | LSP086388-001
Manufacturer | ABB
Product Type | AC 800M CPU Controller Module
Compatible Platform | ABB AC 800M (Part of System 800xA)
Processor Architecture | 32-bit RISC, high-speed embedded core
Program Memory | 16 MB (expandable via flash card)
Execution Speed |<1>Communication Interfaces | 2 × 10/100 Mbps Ethernet (RJ45), RS-232 service port
Supported Protocols | Modbus TCP, OPC UA, Profibus DP (via CI854), Advant Protocol
Redundancy Support | Yes (Controller Redundancy with synchronization link)
Operating Temperature | 0°C to +60°C
Power Consumption | Approx. 5 W (from backplane supply)
Mounting | DIN rail or rack-mounted in AC 800M chassis

Main Features and Advantages

High-performance real-time control:
The ABB LSP086388-001 executes complex control logic with sub-millisecond scan cycles, making it suitable for fast-response applications such as boiler drum level control, compressor surge protection, or conveyor synchronization. Its large program and data memory accommodate extensive ladder logic, structured text, and function block diagrams without performance degradation.

Seamless integration with System 800xA:
As a native component of ABB’s integrated automation environment, the ABB LSP086388-001 enables unified engineering, asset visualization, and alarm management across PLCs, DCS, drives, and motor control centers. Engineers can deploy, monitor, and troubleshoot the controller directly from the 800xA workplace—reducing engineering effort and operational silos.

Built-in redundancy and cybersecurity:
The ABB LSP086388-001 supports hot-standby controller redundancy with automatic failover (<100>

Future-ready connectivity:
With dual Ethernet ports and support for open standards like OPC UA, the ABB LSP086388-001 bridges legacy automation islands with IIoT and cloud analytics platforms. It can stream real-time KPIs to enterprise dashboards or predictive maintenance systems without requiring additional gateways or protocol converters.

ABB LSP086388-001

Application Field

In a combined-cycle power plant, the ABB LSP086388-001 serves as the master controller for balance-of-plant (BOP) systems—including condensate polishing, cooling water circulation, and auxiliary boiler sequencing—coordinating with turbine DCS via OPC UA while maintaining local autonomy during network outages. Its redundancy capability ensures that a single CPU failure does not disrupt feedwater control or chemical dosing.

At a municipal wastewater treatment facility, the ABB LSP086388-001 manages aeration basin dissolved oxygen levels using cascade PID loops that adjust blower VFD speeds based on ammonia and nitrate sensor inputs. Integrated with System 800xA, operators receive real-time energy consumption metrics and predictive alerts for clogged diffusers—optimizing both compliance and OPEX.

In mineral processing plants, the ABB LSP086388-001 controls thickener underflow pumps, filter presses, and slurry density regulation across multiple stages. Its deterministic timing ensures synchronized valve actuation and pump ramping, preventing pipeline surges. The module’s rugged design withstands ambient dust, humidity, and electrical noise common in remote mining locations.

Related Products

• PM864: Earlier-generation AC 800M CPU—LSP086388-001offers higher memory and faster processing as a drop-in upgrade

• CI854: Profibus DP communication module—used alongsideLSP086388-001 for field device integration

• AI810: Analog input module—provides 4–20 mA signal acquisition for sensors controlled byLSP086388-001

• AO810: Analog output module—for modulating valves, VFDs, and actuators driven byLSP086388-001 logic

• DI810 / DO810: Digital I/O modules—handle discrete signals for interlocks and status feedback

• TB820V1: Terminal base for AC 800M modules—required for mountingLSP086388-001 in control cabinets

• AC 800M Rail Kit: Mechanical mounting system for DIN-rail installation ofLSP086388-001 and I/O