Siemens 6AV6343-0AA14-0MA0 OP 177B

€ 1.995,00

SKU: 6AV6343-0AA14-0MA0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6343-0AA14-0MA0 is an OP 177B operator panel belonging to the SIMATIC HMI family of human-machine interface devices. This unit is a compact monochrome operator panel designed for machine-level visualization and control tasks, offering a 5.7-inch STN display with blue-mode technology. It is part of the SIMATIC HMI Comfort and Basic panel generation and is configured and programmed using WinCC flexible or TIA Portal software.

The OP 177B features a 5.7-inch STN LCD display with a resolution of 320 x 240 pixels and supports up to 256 colors in blue-mode monochrome representation. It is equipped with MPI/PROFIBUS DP and RS-422/RS-485 interfaces for PLC connectivity, as well as a USB port for data transfer and project download. The panel includes 14 configurable function keys, 1 MB of user memory for project data, and operates on a 24 V DC supply. It supports Siemens S7 protocol natively and can communicate with third-party controllers via configurable drivers.

The OP 177B is widely used in manufacturing automation, packaging machinery, and process control applications where a reliable and cost-effective operator interface is required. Its compact form factor and robust keypad design make it suitable for installation in control cabinets and machine panels in industries such as automotive, food and beverage, and general manufacturing. The panel's compatibility with the SIMATIC S7-300 and S7-400 PLC families makes it a common choice for machine-level HMI tasks in these environments.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD (Blue Mode)
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	256 (Blue Mode Monochrome)
Input/Operating Voltage	24 V DC
Power Consumption	Max. 8 W
Communication Interface	MPI/PROFIBUS DP, RS-422/RS-485, USB
User Memory	1 MB
Function Keys	14 configurable function keys
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP Protection Rating	IP65 (front panel)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI OP 177B

Common Error Codes and System Events

Event ID: 10000: Configuration error: The project loaded on the panel is incompatible with the current firmware version or hardware configuration.
Reload the project using WinCC flexible or TIA Portal ensuring the correct panel type and firmware version are selected during compilation.
Event ID: 20000: Communication error: Connection to the PLC has been lost or cannot be established.
Check MPI/PROFIBUS DP cable connections, verify the PLC address settings, and confirm the communication driver configuration in the project matches the connected PLC.
Event ID: 40000: System memory low: Available user memory on the panel is insufficient to load or run the current project.
Reduce the project size by removing unused screens, images, or scripts, then reload the project to the panel.
Event ID: 50000: Firmware update error: A firmware update was interrupted or failed to complete successfully.
Restart the panel and attempt the firmware update again using the correct firmware package for the OP 177B via the USB interface or ProSave tool.
Event ID: 60000: Tag communication error: A configured tag cannot be read from or written to the connected controller.
Verify the tag address in the project matches the actual PLC memory address. Check PLC program and ensure the data block or memory area is accessible.
Event ID: 70000: Backup/restore error: A project backup or restore operation has failed.
Ensure the USB storage device is properly formatted and has sufficient free space. Retry the backup or restore operation using ProSave or the panel's control panel.
Event ID: 30000: Operating system error: An internal operating system fault has been detected on the panel.
Perform a warm restart of the panel. If the error persists, perform a factory reset and reload the project. Contact Siemens technical support if the fault recurs.

Frequently Asked Questions

Which software is used to program the OP 177B (6AV6343-0AA14-0MA0)?

The OP 177B is programmed using Siemens WinCC flexible 2008 or later. It is also supported in the TIA Portal via the WinCC Basic or Advanced engineering software.

What PLC families are compatible with the OP 177B?

The OP 177B is natively compatible with Siemens SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It also supports communication with third-party controllers using configurable serial drivers.

What is the communication interface available on this panel?

The panel provides an MPI/PROFIBUS DP interface (RS-485), an RS-422/RS-485 serial interface, and a USB Type-A port for project transfer and data storage.

What is the IP protection rating of the OP 177B?

The front panel of the OP 177B is rated IP65, making it suitable for installation in environments where protection against dust and water jets is required.

Can the OP 177B display be used as a touch panel?

No, the OP 177B is a key-operated operator panel and does not feature a touchscreen. User interaction is performed via the 14 configurable function keys and navigation keys on the front panel.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the panel's power connector. Verify the supply is within the specified range and that the power connector is securely seated.

Restore the correct 24 V DC supply. If the supply is correct and the display remains blank, the internal power supply board or backlight may be faulty and the panel should be sent for repair or replacement.

Panel displays 'No connection to PLC' or communication error on startup

Inspect the MPI/PROFIBUS DP cable for damage or loose connections. Verify the PLC address and baud rate settings in the project match the physical PLC configuration.

Reseat all communication cables, correct the address and baud rate settings in WinCC flexible, reload the project to the panel, and confirm the PLC is powered and in RUN mode.

Function keys are unresponsive or produce incorrect actions

Check the project configuration in WinCC flexible to confirm the function key assignments are correctly defined. Inspect the keypad membrane for physical damage or contamination.

Reload the correct project to the panel. If the keypad membrane is physically damaged or keys are stuck, the front panel membrane keypad assembly should be replaced.

Panel freezes or restarts unexpectedly during operation

Check for unstable 24 V DC supply voltage, particularly voltage dips caused by other loads on the same supply rail. Review the system event log on the panel for recorded fault events.

Provide a dedicated and stable 24 V DC power supply to the panel. If the issue persists after stabilizing the supply, perform a firmware update or factory reset and reload the project.

Project cannot be transferred to the panel via USB

Verify that the USB storage device is formatted as FAT32 and that the project file was exported correctly from WinCC flexible using the correct panel type. Check that the panel is in transfer mode.

Reformat the USB device as FAT32, re-export the project from WinCC flexible ensuring the correct OP 177B target panel is selected, place the panel in transfer mode via the control panel, and retry the transfer.

Condition	Repair, Used, Refurbished, New in box (sealed)