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Siemens SINUMERIK 840D/840DE NCU 571 Controller

Name: Siemens 6FC5357-0BA11-0AE0
Brand: Siemens
SKU: 6FC5357-0BA11-0AE0
Availability: InStock

Siemens SINUMERIK 840D/840DE NCU 571 CNC controller for up to 5 axes/spindles.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6FC5357-0BA11-0AE0

Model SINUMERIK 840D/840DE NCU 571

Part Number 6FC5357-0BA11-0AE0

Axes/Spindles 5

NC Memory 128 KB

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12-month warranty

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Same-day dispatch

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Supports 5 Axes/Spindles High-Speed NC & PLC Memory Integrated PROFIBUS DP Master S7 IM 361 I/O Interface Includes System Software Designed for SINUMERIK 840D/DE

Product description

The Siemens SINUMERIK 840D/840DE NCU 571 (6FC5357-0BA11-0AE0) is a powerful CNC controller unit designed for advanced machine tool applications. This unit supports up to 5 axes/spindles and features 128 KB of NC memory and 64 KB of PLC memory (expandable to 192 KB). It includes PROFIBUS DP connectivity with an integrated IM 361 module for I/O devices and comes with system software and device bus cable.

This NCU is the core of the SINUMERIK 840D/840DE CNC system, providing high-performance motion control, PLC logic execution, and communication capabilities for complex machining operations. It is widely used in sectors like automotive manufacturing, aerospace, and general machining.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 6FC5357-0BA11-0AE0 NCU. We help you maintain and upgrade your CNC machinery with reliable, cost-effective automation components.

Technical specifications

Model	SINUMERIK 840D/840DE NCU 571
Part Number	6FC5357-0BA11-0AE0
Axes/Spindles	5
NC Memory	128 KB
PLC Memory	64 KB (Max 192 KB)
Communication	PROFIBUS DP
I/O Interface	S7 IM 361
System Software	Included
Cable	Device Bus Cable

Common applications

CNC Machining Centers

Lathes

Milling Machines

Metal Forming Machines

Robotics Integration

High-Precision Manufacturing

Compatible systems

SINUMERIK 840D sl SINUMERIK 840D solution line Siemens S7-300 I/O Modules Machine Tool Interfaces

Also known as

Siemens NCU 571 SINUMERIK 840D Controller 6FC5357 NCU Siemens CNC Core Unit

Replaces / compatible with

This NCU 571 is a specific controller model. It may replace older NCU units within the SINUMERIK 840D/DE series or be part of an upgrade path for older CNC systems.

Technical note

Expert tip

Ensure the correct system software version is loaded for your specific machine configuration and supported I/O modules when commissioning the NCU 571.

What happens next?

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Frequently asked questions

What is the memory capacity for NC and PLC on the Siemens SINUMERIK NCU 571 (6FC5357-0BA11-0AE0)?

The Siemens SINUMERIK 840D/840DE NCU 571 (6FC5357-0BA11-0AE0) has 128 KB of NC memory and 64 KB of PLC memory, which can be expanded up to 192 KB.