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About this part

The SIEMENS PANEL MP 377 19" Touch 6AV6 644-0AC01-2AX1 is made by Siemens and identified by manufacturer part number 6AV6 644-0AC01-2AX1.

This listing is for the exact part number stated above. Compare the part number, condition and photos with your equipment before ordering.

Condition

This item is listed as Used. Previously used. See condition notes and photos.

The photos are part of the description — check them for labels, connectors, markings and any visible wear.

What's included

1 × SIEMENS PANEL MP 377 19" Touch 6AV6 644-0AC01-2AX1.

Only the items listed here or clearly shown in the photos are included. Cables, manuals, mounting hardware and accessories are not included unless stated.

Identification & compatibility

Check the manufacturer (Siemens), the part number (6AV6 644-0AC01-2AX1) and the photos against your equipment. If you are not sure this is the right part, contact us before you order.

Price match

Found an identical item for less at a fixed price elsewhere? Contact us before you buy with the details, and we will review it.

Important information

Product information is based on what is available for this specific item. Where specifications or compatibility are critical to your application, confirm them before purchase.

Brand
Siemens
Part number
6AV6 644-0AC01-2AX1
Model
6AV6 644-0AC01-2AX1
Country of Origin
Germany
Product
SIMATIC MP 377 19" Touch Multi Panel
Display
19 in color TFT, 65,536 colors
Resolution
1280 x 1024 pixels
Touch screen
Analog resistive
Operating system
Windows CE 5.0
User memory
12 MB (12,288 KB)
Interfaces
2x Ethernet RJ45 (PROFINET), 1x RS 422, 1x RS 485, 2x USB, CF slot, MMC/SD slot
Protocols
PROFINET IO, PROFIBUS, MPI, EtherNet/IP, Modbus, TCP/IP
Supply
24 VDC; label: 3.1 A max; data sheet: 2.5 A rated, 60 W typ.
Protection
IP65 / NEMA 4, 12 front (installed), IP20 rear
Front panel / cutout
483 x 400 mm front, 449 x 379 mm cutout, 75 mm depth
Weight (data sheet)
7.7 kg
Operating temperature
0 to 50 °C
Configuration software
WinCC flexible 2007 Standard or higher; WinCC Comfort/Advanced/Professional (TIA Portal)

The Siemens 6AV6 644-0AC01-2AX1 is a SIMATIC MP 377 19" Touch Multi Panel: a 19-inch color TFT operator panel (HMI) with a resistive touch screen, 1280 x 1024 pixels and Windows CE 5.0. It is configured with WinCC flexible 2007 or higher, or WinCC Comfort/Advanced/Professional in TIA Portal, and is built into a control cabinet door or console from the front. The part number is also written 6AV6644-0AC01-2AX1.

What does the label say?

SIEMENS P/N, MP 377 19" Touch, 6AV6 644-0AC01-2AX1, C-K-0130128, E-STAND:07, made in Germany. Input DC 24V / 3.1A max, Ta 0 °C to +50 °C vertical, enclosure Type 4X, Type 12, indoor use only. The label also carries CE, cULus Listed (Class I Div 2), FM approved and C-tick N117 marks, and an ATEX II 3 D marking with KEMA 06 ATEX 0266X.

What interfaces does it have?

According to the Siemens data sheet: 2x Ethernet (RJ45, PROFINET), 1x RS 422, 1x RS 485 (MPI/PROFIBUS DP), 2x USB, 1x CF card slot and 1x Multimedia/SD card slot. The rear carries the 24 VDC terminal, the 9-pin IF1B port, two LAN ports, two USB ports (X20, X21) and audio out and mic in (X40), with the X30 SD/MMC and X31 CF slots on the back.

Is the MP 377 19" still sold new?

No. Siemens lists it in phase-out since 01.10.2012, and from 01.01.2015 the new part is blocked for delivery; it is available only as a spare part.

What condition is it in?

Used. The photos show the front with the TOUCH logo, the rating label, and two "warranty void if broken" seals on the rear.

Ships from
Israel
Tracking
Included on every order

Import duties and taxes may apply in your country and are paid by the buyer on delivery.

Returns
Accepted within 60 days of delivery
Return shipping
Free — paid by us
Refund
Money back

Return terms differ from item to item — this item's own policy is shown above.

Whatever it says, an item that arrives faulty or not as described is covered: tell us within 30 days of delivery and we will refund or replace it.

Consumers in the EU, the UK and Israel keep their legal right to cancel within 14 days. Full details and the return request form are on our Returns and warranty page.

Read the full returns & warranty policy

Questions about this part

What is the Siemens 6AV6644-0AC01-2AX1?

The SIMATIC MP 377 19" Touch Multi Panel, a 19-inch resistive touch HMI with a 1280 x 1024 TFT display and Windows CE 5.0.

What software do I need to program the MP 377 19" Touch?

WinCC flexible 2007 Standard or higher, or WinCC Comfort, Advanced or Professional in TIA Portal. The software is ordered separately.

How do I calibrate the touch screen on a Siemens HMI?

Siemens lists touch calibration as a built-in service function of the MP 377. Run it from the panel whenever the touch point does not match the finger position.

What power supply does it need?

24 VDC. The rating label says 3.1 A max; the Siemens data sheet gives 2.5 A rated current and 60 W typical.

What size mounting cutout does it need?

449 x 379 mm, with a front panel of 483 x 400 mm and 75 mm overall depth, per the Siemens data sheet.

Which PLCs can it connect to?

Siemens lists S7-1200, S7-1500, S7-300/400, S7-200 and S5, plus drivers for Allen Bradley DF1/DF485, Mitsubishi FX, Omron, Modicon Modbus and others, over PROFINET, PROFIBUS DP, MPI or serial.

Is this panel still in production?

No. Siemens has it in phase-out since 2012 and stopped delivering it new from 01.01.2015; it is now a spare part.

What condition is it in?

Used. Quantity: one panel.

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