3BSE076359R1 | ABB AC 800M PM866A Processor Unit

Product Overview

The ABB PM866A (3BSE076359R1) is the processor unit only (without baseplate) for the AC 800M controller family. It is functionally equivalent to PM866 and is ideal for spare-part replacement or custom baseplate configurations.

Key Specifications

• Manufacturer: ABB
• Part Number: PM866A (3BSE076359R1)
• Product Type: AC 800M Processor Unit (module only)
• CPU: MPC866 @ 133 MHz
• Memory: 64 MB SDRAM
• Performance: 0.09 ms per 1000 boolean operations; ~1.4× PM864A
• System: AC 800M / System 800xA
• Baseplate: Not included (requires TP830)
• Power Supply: 24 V DC (via TP830)

Applications

• Spare part replacement for PM866AK01/AK02
• Custom mounting solutions
• Repair and refurbishment

FAQ

Q: Does this include the TP830 baseplate?
A: No, this is the processor module only. Order TP830 separately if needed.

Q: Is PM866A compatible with all TP830 revisions?
A: Yes, PM866A is compatible with standard TP830 baseplates used in AC 800M systems.

Installation Guide

1. Verify existing TP830 baseplate is functional.
2. Remove old processor and install PM866A onto baseplate.
3. Secure retaining screws and reconnect all cables.
4. Load firmware and restore application.

Selection Tips

• Order PM866AK01 for new installations (includes baseplate and accessories).
• Order PM866A for replacement of failed processors where baseplate is retained.