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Siemens SINUMERIK 840DE NCU572 Control Unit

Name: Siemens 6FC5357-0BY20-0AE0
Brand: Siemens
SKU: 6FC5357-0BY20-0AE0
Availability: InStock

Siemens SINUMERIK 840DE NCU572 control unit for multi-axis CNC machines.

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ManufacturerSiemens

Part number6FC5357-0BY20-0AE0

Part Number 6FC5357-0BY20-0AE0

Manufacturer Siemens

Series SINUMERIK 840DE

Type NCU572

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12-month warranty

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Supports up to 5 axes/spindles 256 KB NC memory 64 KB PLC memory Designed for SINUMERIK 840DE Requires S7-IM361 Advanced CNC control

Product description

The Siemens SINUMERIK 840DE NCU572 (6FC5357-0BY20-0AE0) is an export version of the Numerical Control Unit designed for advanced machine control applications. It supports up to 5 axes or spindles (with a maximum of 8). The unit provides 256 KB of memory for NC functions and 64 KB (expandable to 96 KB) for PLC functions. It is intended for use with an S7-IM361 and requires system software and device bus cables for operation.

This NCU is a core component for complex CNC machines, including multi-axis milling machines, lathes, and machining centers. It enables high-precision control and sophisticated motion profiles essential in industries like aerospace, automotive, and high-precision manufacturing.

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Technical specifications

Part Number	6FC5357-0BY20-0AE0
Manufacturer	Siemens
Series	SINUMERIK 840DE
Type	NCU572
Axes/Spindles	5 (Max 8)
NC Memory	256 KB
PLC Memory	64 KB (Max 96 KB)
Compatible With	S7-IM361
Software	System software required
Cables	Device bus cable required

Common applications

CNC Machining Centers

Multi-Axis Milling Machines

CNC Lathes

High-Precision Manufacturing

Aerospace

Automotive

Metalworking

Compatible systems

Siemens S7-IM361 Siemens HMI Panels for 840DE Siemens Drive systems

Also known as

Siemens NCU572 SINUMERIK 840DE Control CNC Controller 6FC5357-0BY20-0AE0

Replaces / compatible with

This NCU is a specific control unit for the SINUMERIK 840DE system. Consult Siemens documentation for upgrade paths or compatible earlier/later versions.

Technical note

Expert tip

The NCU572 requires specific system software to be loaded for operation; ensure the correct version compatible with your machine configuration is installed.

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Frequently asked questions

How many axes can the Siemens SINUMERIK 840DE NCU572 control?

The Siemens SINUMERIK 840DE NCU572 (6FC5357-0BY20-0AE0) can control up to 5 axes or spindles. It has the capability to manage a maximum of 8 axes/spindles with appropriate configuration.