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Siemens SINUMERIK 840D/DE NCU 573.4 CNC Controller

Name: Siemens 6FC5357-0BB34-0AE1
Brand: Siemens
SKU: 6FC5357-0BB34-0AE1
Availability: InStock

Siemens SINUMERIK 840D/DE NCU 573.4 CNC controller.

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

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ManufacturerSiemens

Part number6FC5357-0BB34-0AE1

Unit Type NCU (Numerical Control Unit)

System SINUMERIK 840D/DE

Model NCU 573.4

Processor 650 MHz

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12-month warranty

All units tested

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

High-Performance 650 MHz Processor 64 MB RAM Dedicated NC and PLC Memory PROFIBUS DP Prepared SINUMERIK 840D/DE System Integration Advanced Motion Control

Product description

The Siemens 6FC5357-0BB34-0AE1 is a SINUMERIK 840D/DE NCU (Numerical Control Unit) 573.4. This unit is equipped with a 650 MHz processor and 64 MB of RAM (fan box not included). It has dedicated memory for NC (2.5 MB) and PLC (96 KB), and is PROFIBUS DP prepared.

This NCU is a core component for advanced CNC machining centers and complex automation tasks in industries such as automotive, aerospace, and general manufacturing, where high-precision motion control and complex program execution are required.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 6FC5357-0BB34-0AE1. Source reliable components for your CNC machinery and automation needs.

Technical specifications

Unit Type	NCU (Numerical Control Unit)
System	SINUMERIK 840D/DE
Model	NCU 573.4
Processor	650 MHz
RAM	64 MB
NC Memory	2.5 MB
PLC Memory	96 KB
Interface	PROFIBUS DP Prepared
Fan Box	Not Included

Common applications

CNC Machining Centers

High-Precision Manufacturing

Automotive Industry

Aerospace

General Manufacturing

Automation Control

Compatible systems

Siemens SINUMERIK 840D/DE Systems PROFIBUS DP Networks

Also known as

Siemens NCU 573.4 SINUMERIK CNC Controller

Replaces / compatible with

This NCU 573.4 can replace a failing unit within a SINUMERIK 840D/DE system or be a component for upgrading existing CNC machinery.

Technical note

Expert tip

Ensure adequate cooling by using the appropriate fan box for the 6FC5357-0BB34-0AE1 NCU, as it is not included and vital for stable operation.

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Frequently asked questions

What is the role of the Siemens 6FC5357-0BB34-0AE1 NCU in a CNC system?

The Siemens 6FC5357-0BB34-0AE1 is the Numerical Control Unit (NCU) for the SINUMERIK 840D/DE system. It acts as the brain of the CNC machine, processing part programs, controlling motion axes via PROFIBUS DP, and managing PLC functions for the entire machining operation.