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6AV6641-0CA01-0AX1

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Siemens 6AV6641-0CA01-0AX1 is a SIMATIC OP77B keyboard operator panel that gives machine users a 4.5-inch monochrome display, function keys and MPI/PROFIBUS DP access for local HMI operation.
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Technical specifications for 6AV6641-0CA01-0AX1

  • Manufacturer:
    Siemens
  • Part Number:
    6AV6641-0CA01-0AX1
  • Product Family:
    Siemens Simatic HMI
  • Product Type:
    SIMATIC OP77B 4.5-Inch Operator Panel
  • Stock:
    1
  • Display Type:
    STN monochrome graphical display
  • Display Size:
    4.5 in
  • Display Resolution:
    160 x 64 pixels
  • Backlight MTBF:
    100000 h
  • Operator Input:
    Membrane keyboard
  • Function Keys:
    8; four with LED indication
  • System Keys:
    23
  • Touch Operation:
    Not supported
  • Rated Supply:
    24 V DC
  • Current Consumption:
    0.2 A typical
  • Processor:
    ARM architecture
  • User Memory:
    1000 KB
  • Serial Interfaces:
    RS232, RS422 and RS485
  • PROFIBUS DP Rate:
    12 Mbit/s maximum
  • USB Interfaces:
    1
  • Memory Card Slot:
    Combined MMC/SD slot
  • Front Protection:
    IP65
  • Rear Protection:
    IP20
  • Installed Enclosure Rating:
    NEMA 4X and NEMA 12
  • Operating Temperature:
    0 to +50 °C
  • Engineering Software:
    WinCC flexible Compact 2004 or later
  • Operating System:
    Windows CE
  • Device Dimensions:
    150 x 186 x 38.5 mm
  • Panel Cutout:
    135 x 171 mm
  • Weight:
    1.1927 lbs (0.541 kg)
  • Estimated shipping dimensions:
    19.6x15.6x5.7cm
  • Tariff Code:
    85371098
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Operator Input Project Transfer Controller Links Panel Fit

Features:

  • A 4.5-inch monochrome screen presents machine status and operator prompts.
  • Eight function keys and twenty-three system keys provide non-touch command entry.
  • MPI/PROFIBUS DP, serial, USB and memory-card paths support control and project service.
The OP77B is operated entirely through its membrane keyboard, so project navigation must match the assigned hard keys.

The 24 V DC panel communicates with multiple controller families through drivers selected in the WinCC flexible project.

Front sealing depends on the correct cutout, gasket and mounting pressure while the cabinet protects the IP20 rear.

The Siemens 6AV6641-0CA01-0AX1 SIMATIC OP77B Operator Panel may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6AV6641-0CA01-0AX1 SIMATIC OP77B Operator Panel Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

How operators interact with the OP77B

  • Display: The 160 x 64 pixel STN screen presents monochrome graphics and text.
  • Function layer: Eight function keys call project-assigned commands; four include LED feedback.
  • System layer: Twenty-three system keys support navigation and numeric, alphanumeric or hexadecimal entry.
  • No touch layer: Screen presses are not accepted because the panel has no touch sensor.

Moving or restoring the HMI project

  • Engineering tool: The panel is configured with WinCC flexible Compact 2004 or a compatible later release.
  • USB path: The USB interface supports the documented service and transfer functions.
  • Serial path: RS232, RS422 and RS485 interfaces provide additional communication routes.
  • External media: The combined MMC/SD slot supports removable storage for the applicable panel functions.

Matching the project to the target controller

  • SIMATIC path: MPI and PROFIBUS DP support SIMATIC S7 controller communication.
  • Serial drivers: Configured drivers cover selected Siemens and third-party controller families.
  • Speed ceiling: The PROFIBUS DP interface supports rates up to 12 Mbit/s.
  • Migration check: Driver, address, baud rate and project connection name must match the installed controller.

Mechanical and environmental replacement checks

  • Cutout: The cabinet opening is 135 x 171 mm.
  • Front size: The bezel measures approximately 150 x 186 mm.
  • Depth: Allow approximately 38.5 mm behind the mounting surface.
  • Sealing: Correct installation provides IP65 at the front while the rear remains IP20.
Description
Siemens 6AV6641-0CA01-0AX1 is a SIMATIC OP77B keyboard-operated HMI panel that displays controller process data and returns local operator commands to the automation system. Its configured screens, alarms and input fields form the operating interface between the machine and the user.

The 4.5-inch monochrome display of 6AV6641-0CA01-0AX1 presents graphics at 160 x 64 pixels, while eight function keys and the membrane system keypad select screens, enter values and acknowledge configured events. Because the panel has no touch layer, every input action is assigned through the project to a physical key.

Through its RS485-capable interface, 6AV6641-0CA01-0AX1 exchanges process values and commands over MPI or PROFIBUS DP with the controller defined in the project. Serial and USB connections provide separate data-transfer paths, and the combined MMC/SD slot supplies removable storage.

An ARM processor and Flash/RAM memory allow 6AV6641-0CA01-0AX1 to run its Windows CE runtime and the project created with WinCC flexible Compact. Within that project, message handling, process-value entry, recipe management and user-right functions operate on the data received from the connected controller.

Mounted in the specified cabinet opening, 6AV6641-0CA01-0AX1 places its IP65 front surface on the operator side and its IP20 rear connections inside the enclosure. This arrangement keeps the display and keys exposed for operation while the 24 V DC supply, communication ports and storage slot remain on the protected side.
Alternative Names
6AV66410CA010AX1 6AV6 641-0CA01-0AX1 6AV6641 0CA01 0AX1 Siemens 6AV66410CA010AX1 SIMATIC OP77B Operator Panel OP77B 4.5-Inch HMI Siemens OP 77B Keyboard Panel WinCC Flexible OP77B Panel
Technical notes
Siemens 6AV6641-0CA01-0AX1 is a keyboard-operated OP77B without a touch screen. Retain the project backup and confirm the controller driver, interface settings and panel cutout before changing the installed HMI.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why does tapping the screen of 6AV6641-0CA01-0AX1 produce no response?
The 6AV6641-0CA01-0AX1 is not a touch panel; all operation is performed with its membrane function and system keys.
What should be backed up before removing 6AV6641-0CA01-0AX1 from a machine?
Before replacing 6AV6641-0CA01-0AX1, preserve the WinCC flexible project or available transfer image plus the controller addresses and interface settings.
Can 6AV6641-0CA01-0AX1 replace another panel with the same screen size?
Not by screen size alone. 6AV6641-0CA01-0AX1 also requires the correct 135 x 171 mm cutout, keyboard project, controller driver and 24 V DC wiring.
How is an MPI or PROFIBUS communication loss diagnosed on 6AV6641-0CA01-0AX1?
For 6AV6641-0CA01-0AX1, compare the project connection, node address, baud rate and bus termination with the working controller network.
Which installation detail preserves the front seal of 6AV6641-0CA01-0AX1?
The 6AV6641-0CA01-0AX1 reaches its front IP65 rating only when the cutout, gasket contact and retaining elements follow the documented mounting instructions.
Where can a service technician transfer data to 6AV6641-0CA01-0AX1?
Depending on the configured procedure, 6AV6641-0CA01-0AX1 provides serial, USB and MMC/SD routes for project or service data.