Description
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PM891 Other names:
Controller module PM891
PM891 analog module
Input/output controller module PM891
The PM891 processor is a monolithic unit equipped with power supply, CPU-boards and unit termination. The unit contains microprocessor and RAM memory, a real-time clock, LED indicators, INIT push button and a Secure Digital interface. The PM891 does not contain any internal battery The PM891 has two RJ45 Ethernet ports (CN1, CN2) for connection to the Control Network, and one RJ45 serial port (COM4). The COM4 port is isolated and used for a configuration tool. The PM891 supports CPU redundancy for higher availability (CPU, CEX-Bus, communication interfaces and S800 I/O).
The communication expansion bus (CEX-Bus) is mounted on the unit. The CEX-Bus is used for extending the on-board communication ports with communication interface units. It is possible to use redundant communication interfaces on the CEX-Bus. The CEX-Bus Interconnection unit BC810 is used to increase the availability on the CEX-Bus by dividing it into separate segments. The optical Modulebus of the unit can be used for connecting seven clusters of S800 I/O units (each comprising up to 12 units). Each PM891 is provided with a unique Ethernet address which provides hardware identity to the unit.
Features and benefits
Reliability and simple fault diagnosis procedures
Modularity, allowing for step-by-step expansion
IP20 Class protection without the requirement for enclosures
The controller has full EMC certification
High performance and large application memory
Sectioned CEX-Bus using a pair of BC810
Built-in redundant Ethernet Communication ports
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admin –
The PM891 processor is a monolithic unit equipped with power supply, CPU-boards and unit termination. The unit contains microprocessor and RAM memory, a real-time clock, LED indicators, INIT push button and a Secure Digital interface. The PM891 does not contain any internal battery The PM891 has two RJ45 Ethernet ports (CN1, CN2) for connection to the Control Network, and one RJ45 serial port (COM4). The COM4 port is isolated and used for a configuration tool. The PM891 supports CPU redundancy for higher availability (CPU, CEX-Bus, communication interfaces and S800 I/O).
The communication expansion bus (CEX-Bus) is mounted on the unit. The CEX-Bus is used for extending the on-board communication ports with communication interface units. It is possible to use redundant communication interfaces on the CEX-Bus. The CEX-Bus Interconnection unit BC810 is used to increase the availability on the CEX-Bus by dividing it into separate segments. The optical Modulebus of the unit can be used for connecting seven clusters of S800 I/O units (each comprising up to 12 units). Each PM891 is provided with a unique Ethernet address which provides hardware identity to the unit.
admin –
This redundant module is an important component in the field of industrial automation control, with high performance and reliability, mainly used to meet the needs of complex control and automation applications. It has high flexibility and coordination, and can be configured with software and hardware according to different process application objects, thus conveniently forming the required control system. It supports advanced control strategies such as cascade, feedforward, decoupling, adaptive, and predictive control, and has rich control algorithms, integrating continuous control, sequential control, and batch control. It has a high degree of integration, equipped with a power supply, CPU motherboard, and unit terminator, and integrates functional modules such as microprocessors, RAM memory, and real-time clocks. This highly integrated design makes the controller more compact and efficient, making it convenient for users to install and configure.
https://www.axcontroler.com/ABB/abb—pm891ak01—ac-800m-controllers—pm891ak01
https://www.axcontroler.com/ABB/abb—pm891k02—ac-800m-controllers—pm891k02-2
https://www.axcontroler.com/ABB/ABB-PM891AK02-AC800M-Controllers-PM891AK02
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https://www.weikunfadacai1.com/2024/12/26/abb-ac800m-3bse053240r1-pm891-redundant-system-control-module/
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admin –
ABB 3BSE053242R1 is a core control module in the AC 800M controller series and a key component of ABB’s industrial automation system. The module is widely used in power, metallurgy, chemical, oil and gas and other industries, supporting complex logic control, process regulation and distributed control system (DCS) integration. Its core functions include:
High-performance control: Based on a multi-task processor, it supports fast logic operations and real-time process control.
Flexible expansion: Modular design, compatible with a variety of I/O modules and communication protocols.
High reliability: Industrial-grade design, adaptable to harsh environments (such as high temperature, high humidity, vibration).
Technical specifications and functions
Core parameters
Model and series: 3BSE053242R1, belongs to the AC 800M controller series.
Processor architecture: Adopts a high-performance multi-task processor to support complex control algorithms.