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PM864AK02 Product Description:
ABB PM864AK02 is not an ordinary PLC – it is a fault-tolerant CPU module designed specifically for ABB AC 800M high integrity systems, designed for applications where redundancy cannot be compromised. As the main processor of the security level DCS architecture, it combines dual core x86 processing capabilities with FPGA task scheduling to ensure uninterrupted operation.
PM864AK02
This module can be inserted into ABB’s sturdy and durable 800xA control cabinet, becoming a hub between fieldbus networks (such as PROFINET IRT) and enterprise level OPC UA servers. Its uniqueness lies in dual-mode operation: while executing standard IEC 61131-3 logic, C/C++applications can be run in parallel to implement custom algorithms. For system integrators, this means that there is no need for a separate real-time computer – PM864AK02 integrates dual roles into one authentication package.
PM864AK02
Main features and advantages:
Millisecond level certainty, minute second accuracy:
ABB PM864AK02can achieve a cycle time of 500 μ s even when processing 1000+tags, thanks to its hardware level task priority scheduling. Unlike software based schedulers, its FPGA separates I/O scanning from logic execution, completely eliminating the common variable delay in standard PLCs.
Durable and fearless of harsh environments:
Using industrial grade welding technology and conformal coating PCB, this module can resist moisture and salt spray in marine environments. The anodized aluminum shell also has heat dissipation function, and can operate stably without a fan in the range of -40 ° C to+70 ° C (crucial for Class I Div 2 area).
Seamless integration, worry free and effortless:
Native support for FOUNDATION Fieldbus H1 and HART 7 makes it an ideal choice for upgrading older systems. Dual Ethernet ports (supporting IEEE 1588 PTPv2) can control distributed I/O synchronization errors within 100ns, which is crucial for motion control of conveyor arrays.
Contact Us
Phone:+86 16626708626
WeChat/WhatsApp:+86 16626708626
Email: 3772179818@qq.com
PM864AK02
Technical specifications:
Model ABB PM864AK02
Brand ABB
Type fault-tolerant CPU module
Dual core x86 processor @ 1.91 GHz
2GB DDR3 memory (ECC protected)
Minimum cycle time of 0.5ms
Typical power consumption 18W, maximum 25W
Working temperature -40 ° C to+70 ° C
Certified SIL-3, IEC 61508, ATEX Cat 3
Communication protocols PROFINET IRT, OPC UA, Modbus TCP
Redundant design can be compatible with PM864AK01 hot swappable redundancy
Contact Us
Phone:+86 16626708626
WeChat/WhatsApp:+86 16626708626
Email: 3772179818@qq.com
PM864AK02
Application areas:
ABB PM864AK02 is the core processor of critical automation systems, playing a pivotal role in scenarios where millisecond level decisions are crucial. You will find its presence in the following environments: offshore drilling platforms, pharmaceutical batch processing factories, and turbine control rooms – environments where any microsecond level delay can cause cascading failures.
In a combined cycle power plant, ABB PM864AK02coordinates the precise switching between gas turbines and steam turbines to control the speed synchronization error within 0.5%. For subway signal networks, it can handle safety interlock logic for thousands of I/O points while meeting SIL-3 standards. Food and beverage manufacturers rely on their deterministic execution capabilities to coordinate filling lines at a rate of 30000 bottles per minute, ensuring zero errors.
Why did the engineer specify this model? Its core advantage lies in the ability to simultaneously handle 16 control loops and manage 512+process variables – all operations meet the deterministic response time (<1ms) required for servo control and safety instrumented systems (SIS). When your application cannot tolerate jitter or signal loss, ABB PM864AK02 is exactly the “brain” you need.
PM864AK02
Related products:
PM864AK01- Redundant pairing unit for hot standby configuration
SD834- Secure Digital I/O Module, Suitable for Security Level Applications
CI871- PROFIBUS DP interface, used for integrating old equipment
TP830- Touchscreen HMI, compatible with 800xA runtime
SA801F – Fire/Gas Detection Module, Suitable for Hazardous Area Networks
Installation and maintenance:
Grounding is crucial – a 10mm ² braided grounding strip should be directly connected to the cabinet grounding strip to avoid daisy chain grounding. PM864AK02 needs to maintain a 75mm heat dissipation gap around it in high temperature environments to ensure natural convection cooling. Before powering on, it is necessary to verify the torque of the backplane connector (0.6 Nm) to prevent poor contact.
In terms of maintenance, ABB recommends conducting resistance tests on the grounding path annually. The health status indicator light (green amber red) of the module can display the processor load level – if the amber light remains on, logic optimization may be required. Firmware updates require the use of encrypted signature packages through the control software manager to prevent tampering.
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