ABB PM851A 3BSE066484R1 Processor Unit Kit

Product Description

The ABB PM851A 3BSE066484R1 is a processor unit kit designed for industrial control applications. It uses an MPC860 processor with a 24 MHz clock frequency and 12 MB of installed memory. Furthermore, the kit includes a CPU, baseplate, two terminators and a battery, providing the listed hardware components for processor installation and configuration.

Processing and Control Function

The MPC860 processor executes the controller's application logic. Its Boolean performance rating of 0.46 ms per 1,000 operations provides a reference for evaluating processing speed in logic-based control tasks. Meanwhile, the 6.253 MB of application RAM provides memory for application execution, while the 2 MB Flash PROM stores firmware.

Power Supply Requirements

The specified supply range is 19.2 to 30 V DC, with a typical current consumption of 180 mA and a maximum of 300 mA. Therefore, the power supply must remain within this voltage range and provide sufficient current for the processor unit.

Package Contents

The listed kit configuration includes:

• CPU
• Baseplate
• Two terminators
• Battery

Technical Specifications

Frequently Asked Questions

Q: What processor does the ABB PM851A use?

A: It uses an MPC860 processor with a 24 MHz clock frequency and 12 MB of installed memory.

Q: What power supply does the PM851A require?

A: It requires a DC supply between 19.2 and 30 V. Current consumption is 180 mA typical and 300 mA maximum.

Q: Does the PM851A support redundant CPU operation?

A: The PM851A is listed as a non-redundant processor in ABB's AC 800M controller specifications. It should not be selected as a redundant CPU based on this model designation.

Other Attributes

• Series: Advant OCS/800xA
• Country of Origin:  Germany/Sweden/Finland
• Lead Time: In Stock, 2 Working Days

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