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Siemens 6AV6644-0AA01-2AX0

Rated 5/5 on 5 reviews

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2 Year warranty

Part Number6AV6644-0AA01-2AX0
Model #6AV66440AA012AX0
Warranty2 Year
Display TFT
Screen (diagonal)12.1"
Colors65536 colors
Resolution (WxH in pixel)800 x 600
MTBF backlightingabout 50,000 hours
Operation controlTouch Screen
KeyboardAlpha numeric
Supply VoltageDC
Rated Current1.5 A
Power36 W
MemoryFlash / RAM
Interfaces1 x RS422, 1 x RS485, 2 x Ethernet (RJ45)

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6AV6644-0AA01-2AX0 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6AV6644-0AA01-2AX0 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6AV6644-0AA01-2AX0, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 9lbs

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Ask about exchanging your faulty 6AV6644-0AA01-2AX0 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6AV6644-0AA01-2AX0 Overview

The SIMATIC HMI module 6AV6 644 0AA01 2AX0 is a multi panel (MP) 377 12” panel manufactured by Siemens for the industrial setting as an extension of the 370 series. The Siemens 6AV6 644 0AA01 2AX0 HMI includes a PROFIBUS port, two Ethernet ports for connection to PROFINET, 2 USB 2.0 ports, one CF slot for a memory card, a slot for an SD memory card or multimedia card, and a TFT screen with up to 64k color. These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry HMIs from other manufacturers such as FANUC and Yaskawa.


The 6AV6 644 0AA01 2AX0 MP 377 12” panel module works on the Microsoft Windows CE 5.0 operating system. 

It is included in the “Multifunctional Platform” category of Multi Panel units. The Siemens HMI 6AV6 644 0AA01 2AX0delivers enhanced communication options to the industrial office setting. The HMI has the Pocket Internet Explorer integrated into the module.

What kind of applications can you expect the SIMATIC HMI module 6AV6 644 0AA01 2AX0 MP 377 to support? The Siemens 6AV6 644 0AA01 2AX0 offers compatibility with a variety of industrial applications like the HMI WinCC flex, Sm@rtService, Sm@rtAccess, WinCC flexible/OPC server, WinCC flexible/ProAgent, WinCC flexible/Audit, and WinAC MP 2007.

With which standards can you expect the SIMATIC 6AV6 644 0AA01 2AX0 MP 377 to conform? This module conforms with requirements for emissions EN 61000-6-4: 2007, and requirements for interference immunity EN 61000-6-2: 2005.


The SIMATIC HMI module 6AV6 644 0AA01 2AX0 MP 377 includes several functional ports. Located on the bottom of the HMI MP 377 device these ports enable power and operator interfacing. The first port is the power supply connector followed by RS-422 / RS-485 port X 10 / 1IF 1b. Center bottom of the 6AV6 644 0AA01 2AX0 MP 377 are the (two) 2 ports X1 P1 and X1 P2 for PROFINET connection.  Next are ports X20 and X21. These two ports are for USB connection. The final two ports on the bottom of the 6AV6 644 0AA01 2AX0 HMI panel are the Line in and Line out ports.  The line in port is also micro and is indicated with a red port connection. The line out is above the line in and is indicated with a green port connection.

How to use a 6AV6 644 0AA01 2AX0

What is the proper mounting installation for the 6AV6 644 0AA01 2AX0 MP 377? The HMI multi panel offers several mounting options.  The MP 377 panel module is compatible with mounting cabinets, control cabinets, switchboards, and consoles. The panel can be installed in both an inclined mounting position and a vertical mounting position.  Deviation from vertical is ≤ 35° for inclined installation and 0° for vertical installation. This device is self-ventilated and fine for use with a stationary cabinet. 

When choosing a mounting position for the HMI unit, keep in mind the height and angle should be user-friendly. The MP 377 panel module should be mounted away from direct sunlight. The air vents on the Siemens HMI panel should remain uncovered at least 50 mm above and below and at least 10 mm in the rear of the MP 377 panel to retain proper ventilation.  Please observe all permissible mounting positions available.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6AV6644-0AA01-2AX0, take a look at more from our HMIs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6AV6644-0AA01-2AX0 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

5 stars

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Over 1700 Ratings from Actual Customers

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Fast delivery and very good service.


Would use again. Received in timely manner.


Very happy with the overall service, delivery, communication and delivery,

Conley Cooke