Siemens 6FC5312-0AB00-0AA1 | SINUMERIK 840D NCU 572.x Control Unit

Product Overview
The Siemens 6FC5312-0AB00-0AA1 is an NCU (Numerical Control Unit) module for the SINUMERIK 840D powerline CNC system. This variant features the -0AA1 suffix, indicating a hardware revision of the NCU 572.x base model.

6FC5312-0AB00-0AA0 vs 6FC5312-0AB00-0AA1
The key difference between these two models is the hardware revision level. Both modules are functionally identical for SINUMERIK 840D powerline systems, with the AA1 variant serving as a direct replacement for AA0 units. Hardware generations in the 840D powerline series are denoted by .2, .3, .4, .5 suffixes, and revision codes like AA1 typically indicate minor hardware updates.

Product Lifecycle Notice
⚠️ Like the AA0 version, this module belongs to the SINUMERIK 840D powerline series. Based on reference product lifecycle data (NCU 572.2 discontinued as of 2017-09-30, PM490 status), both variants are now available as spare/replacement parts only.

Technical Specifications (Reference: NCU 572.2 / 572.3 parameters)

Key Features

• Hardware Revision: Updated revision addressing earlier hardware issues

• Direct Replacement: Can replace AA0 versions in existing systems

• Same Functionality: Identical performance specifications as AA0 variant

• Central CNC Control: NC-CPU and PLC integration

• PROFIBUS-DP Communication: Industrial network ready

• Expandable Memory: User memory expandable

When to Choose AA1 Over AA0

• When replacing a failed AA0 unit with the latest available version

• For systems requiring the most up-to-date hardware revision

• When AA0 stock is unavailable (AA1 is fully backward compatible)

Typical Applications

• Direct replacement for 6FC5312-0AB00-0AA0 in existing systems

• New installations requiring the latest hardware revision

• Spare parts inventory for 840D powerline systems

Compatibility Notes

• Compatible with SINUMERIK 840D powerline systems (SW4.4 and later)

• Requires NCU Box for installation

• Compatible with SIMODRIVE 611D drive modules

• System software not included (must be ordered separately)

What's Included

• 6FC5312-0AB00-0AA1 NCU 572.x module (hardware revision)

• Device bus cable and drive bus terminator

• Battery (pre-installed)

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