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Siemens 6AV6641-0CA01-0AX1 SIMATIC HMI OP 77B Operator Panel

Siemens 6AV6641-0CA01-0AX1 SIMATIC HMI OP 77B Operator Panel

Product Name: SIMATIC HMI OP 77B Operator Panel

Brand Name: Siemens

Model Number: 6AV6641-0CA01-0AX1

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 6av6641 0ca01 0ax1 simatic hmi op 77b operator panel-1

Overview
Contact info
Specifications
Description
Project Transfer
Commercial Term
About Company
FAQ
Other Products
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Compact Key-Operated HMI for Legacy SIMATIC Machines

Siemens 6AV6641-0CA01-0AX1 is the SIMATIC HMI OP 77B operator panel for key-based machine operation and MPI/PROFIBUS communication.

Selection checkpoint: Match the complete order number, installed communication path, engineering project and removable-memory requirements before replacing an OP 77B.

Contact info

CONTACT

Jim Pei

[email protected]

+86 180 2077 6782

Specifications

Technical parameter	Value
Product type designation	SIMATIC HMI OP 77B
Article number	6AV6641-0CA01-0AX1
Device class	Key-operated SIMATIC HMI panel
Display	4.5-inch STN monochrome graphic display
Resolution	160 x 64 pixels
Operator controls	Membrane keyboard with programmable function keys
Communication	MPI / PROFIBUS DP
Engineering family	WinCC flexible
Manufacturer	Siemens

Description

6AV6641-0CA01-0AX1 provides a compact monochrome graphic interface with membrane keys for legacy SIMATIC operator tasks. Its MPI/PROFIBUS connection and OP 77B project identity must be checked against the installed machine rather than inferred from the similar OP 77A housing.

Before an exchange, preserve the available WinCC flexible project, communication settings, alarm texts and any removable-memory data. Commission the replacement offline where possible, then verify one PLC connection and every safety-relevant operator action under the machine procedure.

Project Transfer

01	Project archive Preserve the available HMI project, recipes and transfer settings before removal.

02	Network matching Confirm the MPI or PROFIBUS address, baud rate and cable path.

03	Key operation Check the programmed function-key map against the machine documentation.

04	Controlled validation Test communications and operator actions before production release.

Commercial Term

Quotation	Payment	Lead time	Shipping	Warranty
Contact us for current price and availability	T/T or agreed terms	Confirmed with the quotation	DHL, FedEx, UPS or agreed freight	12 months

About Company

SupplyPLCs supports exact-model review, product-condition confirmation and responsive industrial automation sourcing.

Share the complete order number, installed-system context and destination. Our team will coordinate availability, shipment options and available official product documentation.

FAQ

How can I verify that 6AV6641-0CA01-0AX1 matches the OP 77B already installed on my machine?

Compare the complete order number on the rear label, the MPI or PROFIBUS connection, the front-key layout and the archived HMI project. Do not approve the replacement from enclosure appearance alone because OP 77 variants require different project and hardware checks.

What should I back up before removing 6AV6641-0CA01-0AX1 from a running machine?

Save the editable WinCC flexible project when available, record the panel address and transfer settings, and export supported recipes or archives. Photograph the rear connectors and key labels so the replacement can be restored against a documented baseline.

Why might 6AV6641-0CA01-0AX1 power up after replacement but show no live PLC values?

Check the configured MPI or PROFIBUS address, baud rate, cable termination and PLC partner before editing screens. A successful display startup confirms the panel is powered, but it does not prove that the project communication path matches the machine.

How should I investigate a function key on 6AV6641-0CA01-0AX1 that no longer triggers the expected machine action?

Use the archived project and PLC diagnostics to separate a key event, HMI tag and PLC logic issue. Confirm the correct project is loaded and inspect the programmed key assignment before assuming that the membrane keyboard has failed.

Can I replace an OP 77A directly with 6AV6641-0CA01-0AX1 without changing the HMI project?

Do not treat the two panels as automatic substitutes. Confirm the target device selection, communication configuration, memory requirements and supported engineering workflow, then convert and test the project according to the Siemens migration guidance.

Which records should I provide when sourcing 6AV6641-0CA01-0AX1 for a maintenance shutdown?

Provide the complete order number, rear-label photographs, WinCC flexible project version, PLC interface details and installed memory-media information. These details help prevent an OP 77B order from being confused with a visually similar panel.

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