PM891 3BSE053240R1 processor module

PM891 3BSE053240R1 processor module

Product Details Introduction

1、 Product Overview

ABB PM891 (order number: 3BSE053240R1) is a high-performance central processing unit (CPU module) for the AC 800M series controller platform in ABB's control systems. It is widely used in ABB's System 800xA DCS system to achieve core functions such as centralized control, logic processing, task scheduling, and communication management.

2、 Basic parameters

Description of parameter item content

Product Model PM891

Order number 3BSE053240R1

Control system platform ABB System 800xA/AC 800M

CPU type: High speed industrial processor (PowerPC architecture)

Clock frequency up to 300 MHz (may be higher depending on model updates)

Storage capacity: 32 MB program memory, 128 MB data memory

Non volatile storage with flash memory, program power-off retention

Real time clock with built-in battery powered RTC

Power requirement: 24 V DC ± 10% (powered through the base plate)

Communication ports Ethernet x2 (control network, tool access), RTA/COM ports, etc

Installation method: Install on the AC 800M controller backplane (e.g. Baseplate TP830)

Redundancy support supports dual PM891 redundant operation configuration

The front panel of the status indicator includes multiple sets of LEDs to indicate the status of operation, faults, communication, etc

Operating temperature range: 0 ℃ to+55 ℃ (typical industrial environment)

3、 Functional Features

High performance processing capability: used to control complex logic and large-scale process systems, supporting the IEC 61131-3 programming standard;

Powerful communication capability: supports access to PROFIBUS, Modbus, Ethernet/IP, etc. through communication modules such as CI854, CI862, CI871, etc;

Support redundant configuration: Two PM891 can be configured as redundant primary/backup mode to achieve uninterrupted control;

Flexible configuration function: supports ABB Control Builder M tool for program development, uploading and downloading;

Strong system compatibility: compatible with all I/O, communication, redundancy, and power modules of the AC 800M series;

Built in diagnostic and clock synchronization function: Built in Watchdog timer with SNTP/NTP clock synchronization function;

Hot swappable support: In conjunction with redundant systems, modules can be replaced without shutting down.

Product imag

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