Siemens

Siemens 6ES7647-7AK20-0GA0 SIMATIC Microbox PC 427B

SKU 6ES7647-7AK20-0GA0

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Siemens

  • Product No.: 6ES7647-7AK20-0GA0

  • Country of origin:Germany

  • Product Type: PC Microbox

  • Barcode: 85371091

  • Payment: T/T, Western Union

  • Weight: 2600g

  • Dimensions: 40.50 x 22.00 x 26.40 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The Siemens 6ES7647-7AK20-0GA0 is a SIMATIC Microbox PC 427B, an industrial embedded computer engineered for automation applications. This unit features a Pentium M 1.4 GHz processor with a 400 MHz Front Side Bus (FSB) and 2 MB Second Level Cache (SLC). It is equipped with 512 MB DDR2 533 SODIMM memory, configured as one 512 MB module. For data storage, the device includes an internal, non-accessible 2 GB Compact-Flash drive. Industrial communication is facilitated via a PROFIBUS DP 12 interface. The Microbox PC comes with Windows XP Embedded preinstalled, though it is delivered without the embedded Windows software itself.

Features

  • Processor: Pentium M 1.4 GHz, 400 MHz FSB, 2 MB SLC
  • Memory: 512 MB DDR2 533 SODIMM (1 x 512 MB)
  • Storage: 2 GB Compact-Flash (internal, not accessible)
  • Communication Interface: PROFIBUS DP 12
  • Operating System: Windows XP Embedded (preinstalled, software not included)
  • No hardware extension

Applications

The Siemens SIMATIC Microbox PC 427B is suitable for a range of industrial applications requiring a robust and compact computing platform. Typical deployment scenarios include:

  • Machine control and visualization systems
  • Data acquisition and processing in harsh industrial environments
  • Integration into Distributed Control Systems (DCS)
  • Human-Machine Interface (HMI) tasks
  • Embedded automation and edge computing solutions

Technical Specifications

Parameter Value
Brand Siemens
Manufacturer Siemens
Series SIMATIC Microbox PC 427B
Model 6ES7647-7AK20-0GA0
Product Type PC Microbox
Processor Pentium M 1.4 GHz, 400 MHz FSB, 2 MB SLC
Memory Extension 512 MByte DDR2 533 SODIMM (1 x 512 MB)
Hardware Extension Without HW extension
Drives 2 GB Compact-Flash internal (not accessible)
Operating System Windows XP Embedded (preinstalled, delivered without software)
Communication Interface PROFIBUS DP 12
PLM Product Phase Obsolete
Package Dimensions (Calculated) 40.50 x 22.00 x 26.40 cm
Shipping Weight 2.60 kg
Commodity Code 85371091

Installation Guidelines

  1. Safety First: Prior to any installation or maintenance, ensure that all power to the installation area is de-energized and secured according to lockout/tagout procedures.
  2. Mounting: Mount the Microbox PC securely within a suitable industrial enclosure or control cabinet. Ensure adequate clearance around the unit for proper airflow and heat dissipation.
  3. Power Connection: Connect the appropriate DC power supply to the designated power terminals, observing correct polarity. Verify that the power supply meets the specified voltage and current requirements for the unit.
  4. Grounding: Establish a robust protective earth (PE) connection to the chassis of the Microbox PC. Proper grounding is essential for electrical safety and to minimize electromagnetic interference (EMI).
  5. PROFIBUS DP Connection: Connect the PROFIBUS DP communication cable to the designated port. Adhere to standard PROFIBUS installation practices, including correct termination and shielding, to ensure reliable data transmission.
  6. Peripheral Connections: Connect any necessary peripherals, such as display monitors, keyboards, or mice, to the available interface ports.
  7. Cable Routing: Route all power and signal cables to prevent strain, abrasion, and potential interference. Segregate power cables from sensitive signal cables where possible.
  8. Power Up: Once all connections have been verified for correctness and security, re-energize the power supply and observe the system startup sequence.

FAQ

What is the primary purpose of the SIMATIC Microbox PC 427B?

It serves as a compact, robust industrial embedded computer for automation, control, and HMI applications in demanding environments.

Does the 6ES7647-7AK20-0GA0 include the Windows XP Embedded software?

The unit comes with Windows XP Embedded preinstalled, but the software itself is not delivered as a separate item.

What type of storage is used in this Microbox PC?

It utilizes an internal 2 GB Compact-Flash drive for storage, which is not user-accessible.

What communication interface does this model support?

It supports PROFIBUS DP 12 for industrial communication.

Is the memory expandable on this model?

The unit comes with 512 MB DDR2 533 SODIMM memory and is specified as 'without HW extension,' indicating no further expansion slots are available.

View all FAQs →

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
Reviews
1 of 1
Only 4 item(s) left in stock
Quantity
View full details

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Germany

Technical knowledge

Derivative Action in PID Control Without Noise Problems

Learn what derivative action contributes to a PID loop, why it can amplify measurement noise and setpoint changes, and how filtering, sampling, and staged tests make D tuning safer.

Designing Industrial Networks That Stay Troubleshootable

A practical guide to segmenting, documenting, and testing industrial Ethernet networks so plant teams can isolate faults quickly, control change, and expand without creating fragile dependencies.

Commissioning IO-Link From Master Ports to IODD Data

Commission IO-Link systematically from master addressing and port modes through IODD selection, PLC byte mapping, parameter backups, device validation, and failure-injection tests.

PowerFlex Dynamic Braking Resistor Design and Testing

A practical PowerFlex braking guide covering regenerative energy, resistor resistance and duty cycle, thermal protection, model-specific parameters, and measured commissioning tests.

Engineering Industrial Joystick Controls for Safe Motion

An industrial joystick is only the first element in a safe motion command chain. This guide covers sensing choices, wiring, signal validation, PLC logic, restart behavior, and commissioning for...

Seeing PID Behavior Before Tuning the Loop

PID tuning becomes safer when engineers can see how proportional, integral, and derivative actions reshape error, output, and response over time. This guide turns live trends into a disciplined...