ABB PM866AK01 processor unit (3BSE076939R1)

ABB PM866AK01 processor unit (3BSE076939R1)

Core positioning and basic product information

PM866AK01 is the core processor unit in the ABB AC 800M controller series, belonging to the "central processing unit" of industrial control systems. Its main functions are to execute control programs, process I/O data, and achieve communication and interaction with other modules. It is the core computing carrier of the 800xA automation system (especially version 6.0), suitable for medium and large-scale process control scenarios in chemical, power, manufacturing and other fields. The basic information is as follows:

Product identification:

Product ID (Order Number): 3BSE076939R1

ABB model name: PM866AK01

Product type: Central-Unit, Processor Unit

Core configuration: 133MHz main frequency CPU, 64MB memory, no built-in software license (requires separate ordering);

Packing list: This product is provided in the form of a kit, which includes 6 core components and does not require additional purchase of basic accessories. The specific list is as follows:

PM866A: Core CPU module (including computation and control cores);

TP830: Dedicated substrate (for module installation and signal connection);

TB850: CEX bus terminator (ensuring stable CEX bus signal and avoiding signal reflection);

TB807: Module Bus Terminator (adapted to Module Bus communication to ensure bus transmission reliability);

TB852: RCU Link Terminator (used for terminating the link signal of RCU remote control unit);

Memory backup battery: model 4943013-6 (used to save memory data after power failure to prevent program and parameter loss).

Key technologies and physical specifications

（1） Physical dimensions and weight

Specification category parameter value description

The net depth/length of the product is 135 mm along the installation direction of the substrate, including the protruding part of the connector

The net height of the product is 186 mm in the vertical direction, suitable for the standard installation space of AC 800M system

The net width of the product is 119 mm in the horizontal direction, compatible with standard cabinets and substrate slots

The net weight of the product is 1.2 kg, including the total net weight of all components in the packaging list. The lightweight design is easy to install

（2） Customs and trade-related codes

HS code: 853710 (classified as "circuit boards, panels, consoles, desks, cabinets, and other bases containing two or more devices of item 85.35 or 85.36, used for electrical control or distribution, including those containing instruments or devices of chapter 90, and numerical control devices, but excluding switching devices of item 85.17; Voltage not exceeding 1000V ");

Customs tariff number: 85371091 (corresponding to the sub tariff number of the HS code mentioned above, applicable to industrial control central units).

Environmental Compliance and Classification of Hazardous Materials

（1） Environmental Protection and Recycling Compliance

Specific description of compliance category

RoHS status complies with EU Directive 2011/65/EU, restricting the use of harmful substances such as lead, mercury, cadmium, etc., and meeting environmental requirements

WEEE classification category 5 "Small equipment" (all external dimensions do not exceed 50 centimeters), which needs to be recycled according to the corresponding category

Battery related - Quantity: 1 (for memory backup);

-Type: Portable lithium battery;

-Composition: Lithium;

-Weight: 9g;

-Lithium battery recycling regulations must be followed separately and cannot be discarded with ordinary garbage

（2） Classification of dangerous goods

UN dangerous goods category: Class 9 "Miscellaneous dangerous substances and articles, including environmentally hazardous substances";

UN number: UN3091-PI970 (indicating that the product contains lithium batteries, transportation must comply with the packaging and transportation requirements of UN3091, such as preventing short circuits and avoiding compression);

Transportation precautions: It is necessary to package according to the dangerous goods transportation regulations to avoid battery damage causing leakage or fire, and it should not be mixed with strong oxidants during transportation.

System adaptability and application scenarios

As the core processor of the AC 800M series, PM866AK01 is only compatible with specific ABB automation systems. The specific adaptation scenarios and classifications are as follows:

（1） Product classification path

Specific subsystems/product series of control systems, module categories for adaptation

Control System Products AC 800M - Processor Modules PM866A Processor Unit

800xA Series Control System 800xA 6.0 System - Central Units Core Computing Unit

（2） Typical application scenarios

Medium to large scale process control: In 800xA 6.0 systems in industries such as chemical, petroleum, and power, it serves as the main controller to execute complex control logic (such as PID regulation and interlock control), and processes multi-channel I/O data (such as analog acquisition and digital output);

Distributed control networking: Connect remote I/O modules (such as S100 I/O modules summarized earlier) through CEX bus and Modulus Bus to build a distributed control architecture that is suitable for large-scale factory scenarios with dispersed equipment;

Data exchange and storage: Communicate with remote control units through RCU Link, while relying on memory backup batteries to ensure that key control parameters and programs are not lost after power failure, and the system can be quickly restarted after power restoration.