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Siemens 6FC5357-0BY20-1AE0 SINUMERIK 840DE NCU572

Name: Siemens 6FC5357-0BY20-1AE0
Brand: Siemens
SKU: 6FC5357-0BY20-1AE0
Availability: InStock

Siemens 6FC5357-0BY20-1AE0 SINUMERIK 840DE NCU572 CNC Controller

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

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ManufacturerSiemens

Part number6FC5357-0BY20-1AE0

Series SINUMERIK 840DE

Unit NCU572 Export Version

Axes/Spindles 5 (max. 8)

NC Memory 1.5 MB

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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 (up to 8) 1.5 MB NC Memory 64 KB PLC Memory SINUMERIK 840DE Control Export Version Includes Device Bus Cable

Product description

The Siemens 6FC5357-0BY20-1AE0 is a SINUMERIK 840DE NCU572 (Numerical Control Unit) in its export version. It supports a maximum of 5 axes or spindles, expandable up to 8. The unit features 1.5 MB of NC memory and 64 KB of PLC memory, expandable to 96 KB. It requires an S7-IM361 with system software for peripheral connection and includes a device bus cable.

This NCU is designed for high-performance CNC machining applications, including milling, turning, and complex multi-axis operations. It is widely used in the automotive, aerospace, and general manufacturing industries where precise motion control and automation are critical.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 6FC5357-0BY20-1AE0. Source reliable CNC control components from Stanlo Automation.

Technical specifications

Series	SINUMERIK 840DE
Unit	NCU572 Export Version
Axes/Spindles	5 (max. 8)
NC Memory	1.5 MB
PLC Memory	64 KB (max. 96 KB)
Peripheral Connection	S7-IM361

Common applications

CNC Milling Machines

CNC Lathes

Multi-Axis Machining Centers

Automotive Manufacturing

Aerospace Machining

Metal Fabrication

Compatible systems

SINUMERIK 840DE CNC Systems S7-IM361 Interface Module Siemens CNC Machine Tool Controls

Also known as

SINUMERIK NCU572 Siemens 840DE Controller 6FC5357 CNC Control Unit

Replaces / compatible with

This NCU is a core component for SINUMERIK 840DE CNC systems. It can replace older NCU units within the same series or provide an upgrade path for existing machinery.

Technical note

Expert tip

Ensure the S7-IM361 interface module is correctly configured and installed for proper peripheral communication.

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Frequently asked questions

What is the maximum number of axes or spindles supported by the Siemens 6FC5357-0BY20-1AE0 NCU?

The Siemens 6FC5357-0BY20-1AE0 SINUMERIK 840DE NCU572 export version supports a maximum of 5 axes or spindles, with the capability to expand up to 8.