Pcu 50.5

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

23 来源

The phrase 'pcu 50.5' refers to the SINUMERIK PCU 50.5, a high-performance industrial Personal Control Unit manufactured by Siemens for CNC (Computer Numerical Control) applications. It serves as the processing hub for HMI (Human Machine Interface) software in industrial automation environments.

Product Overview & Variants

The PCU 50.5 is a legacy industrial PC designed for the SINUMERIK 840D sl system, primarily categorized into two performance tiers:

* PCU 50.5-C (Compact): The standard variant (Model: 6FC5210-0DF52-3AA0) featuring an Intel Celeron 1.8 GHz processor and 4 GB RAM.

* PCU 50.5-P (Performance): The high-end variant (Model: 6FC5210-0DF53-3AA0) equipped with a more powerful Intel Core i5-520E 2.4 GHz processor and 8 GB RAM. Siemens Nexinstrument

Technical & Software Insights

* Operating System: These units typically ship with Windows 7 Ultimate for Embedded Systems (64-bit). Siemens Mroelectric

* Base Software: They require the SINUMERIK PCU Base Software (Win7 V10.x) to interface between the industrial hardware and CNC HMI applications like SINUMERIK Operate. Siemens

* Industrial Design: Powered by a 24 V DC supply, these units are built for rugged environments with specialized interfaces for machine control panels (MCP) and operator panels (OP). Siemens Kempstoncontrols

Market Trends & Availability

* Legacy Lifecycle: As of October 2019, the PCU 50.5 entered the Product Cancellation (PM410) phase. It is no longer in active mass production and is primarily handled as a spare part or refurbished component. Siemens

* Pricing Trends: In the current B2B market, prices for refurbished or "New-in-Box" (NIB) units show significant variance depending on stock levels:

* PCU 50.5-P: Prices range from $750 to $3,000+ depending on condition and supplier warranty. Alibaba Alibaba

* PCU 50.5-C: Listings vary between $1,800 and $3,000, reflecting its critical role in maintaining existing machine tools. Alibaba

* Supply Chain: The market is dominated by specialized automation traders in China (Shanghai, Xiamen, Shenzhen) and Germany, who maintain critical inventories for factories still running 840D sl systems.

Detailed product listings, including specific pricing and supplier data, are provided in the attached files.

Based on the spare parts status of the PCU 50.5, you can:

Sources & References

23 sources cited · Verified industry data & reports

1PC SIEMENS SINUMERIK PCU 50.5-P 6FC5210-0DF53-2AA0 ...

eBay

1PC SIEMENS SINUMERIK PCU 50.5-P 6FC5210-0DF53-2AA0 6FC5 210-0DF53-2AA0 NEW ; Condition. New ; Quantity. 3 available ; Item number. 397682620377 ; Brand. Siemens.

SINUMERIK PCU 50.5 Base Software WIN7 V10 SP3 - Support

Siemens

The new PCU Base Software Win7 V10 SP3 for SINUMERIK PCU 50.5 provides new features and functional enhancements. New features and functional enhancements.

SINUMERIK PCU 50.5-P electronic control unit I5-520E

NEX Instrument Inc

6FC5210-0DF53-3AA0 | Siemens | SINUMERIK PCU 50.5-P electronic control unit I5-520E, Best Price in Town, Guaranteed Low Price!

6fc52100df523aa0 6fc5210-0df52-3aa0 Sinumerik Series Pcu ...

Alibaba.com

6FC52100DF523AA0 6FC5210-0DF52-3AA0 Sinumerik Series PCU 50.5C Ver01 PLC ... All brand new original products come with the original manufacturer's warranty ( ...

Product Details - Industry Mall - Siemens An Phuong Distribution ...

Siemens Industry Mall

Product Description, ****spare part**** SINUMERIK PCU 50.5-C electronic control unit 1.8 GHz; 4 GB RAM 24 V DC; Windows 7 for embedded systems ; Product family ...

6FC5210-0DF52-2AA0 - Siemens

Kempston Controls

Siemens 6FC5210-0DF52-2AA0 SIEMENS SINUMERIK PCU 50.5-C ELECTRONIC CONTROL UNIT, 1.8 GHZ,1 1024MBYTE, RAM, 24 V DC, distributed by Kempston Controls.