
Siemens 6AV7423-2AC00-0CA1 SIMATIC Panel PC 477B
€ 3.390,00
The Siemens 6AV7423-2AC00-0CA1 is an industrial Panel PC belonging to the SIMATIC Panel PC 477B series, manufactured by Siemens. It is a high-performance, fanless industrial computing platform designed for demanding human-machine interface (HMI) and visualization tasks in industrial environments. This unit integrates a flat-panel display with a built-in PC, providing a compact and robust solution for process visualization and control.
The SIMATIC Panel PC 477B features a 15-inch TFT display with a resolution of 1024 x 768 pixels (XGA) and supports touch screen operation. It is powered by an Intel Celeron M processor and runs on Microsoft Windows XP Professional or Windows XP Embedded, providing a familiar computing environment for SCADA and HMI software. The unit includes multiple communication interfaces such as Ethernet (RJ45), USB ports, and a serial COM port, and supports PROFIBUS connectivity via optional expansion cards. It is built to IP65 protection rating on the front panel, making it suitable for installation in control cabinet doors.
The SIMATIC Panel PC 477B is widely used in manufacturing automation, process industries, and machine tool applications where a robust, panel-mounted computing solution is required. Its fanless design and industrial-grade components make it suitable for environments with dust, vibration, and temperature variations. It is commonly deployed with Siemens WinCC, WinCC flexible, or third-party SCADA software in automotive, food and beverage, chemical, and discrete manufacturing industries.
Technical Specifications
| Display Size | 15 inch |
|---|---|
| Display Resolution | 1024 x 768 px (XGA) |
| Display Type | TFT color LCD |
| Touch Technology | Resistive touch screen |
| Processor | Intel Celeron M |
| Operating System | Windows XP Professional / Windows XP Embedded |
| Input/Operating Voltage | 24 V DC |
| IP/Protection Rating | IP65 (front panel) |
| Communication Interface | 2x USB, 1x RJ45 Ethernet, 1x COM (RS-232) |
| Mounting | Panel mounting (flush mount) |
| Operating Temperature | 0 °C to +45 °C |
| Storage Temperature | -20 °C to +60 °C |
| Relative Humidity | 5% to 90% (non-condensing) |
| Certifications | CE, UL |
| Series/Product Family | SIMATIC Panel PC 477B |
Common Error Codes & System Events
- Event ID: 100
- Operating system startup failure or boot error detected during POST sequence.
Check hard disk or CompactFlash card integrity. Verify BIOS settings and reseat storage media. Replace storage media if corrupted. - Event ID: 200
- Watchdog timeout triggered, indicating the application or operating system has become unresponsive.
Restart the Panel PC. Check application software for infinite loops or resource conflicts. Update or reinstall HMI software if the issue persists. - Event ID: 300
- Fan failure or thermal warning. Internal temperature has exceeded the defined threshold.
Check ventilation around the Panel PC. Ensure ambient temperature is within specification. Clean any dust from ventilation areas and verify thermal management components. - Event ID: 400
- Power supply undervoltage detected. Supply voltage has dropped below the minimum operating threshold.
Measure the 24 V DC supply at the power connector. Ensure the power supply unit is rated for the Panel PC load. Replace or adjust the power supply as needed. - Event ID: 500
- Touch screen calibration error or touch input not responding correctly.
Recalibrate the touch screen via the Windows control panel or SIMATIC touch calibration utility. If the issue persists, check the touch controller connection internally or replace the touch overlay. - Event ID: 600
- Ethernet communication failure or network interface not detected.
Check the Ethernet cable and network switch connection. Verify IP address configuration in Windows network settings. Replace the Ethernet cable or check the RJ45 port for physical damage. - Event ID: 700
- Application software (WinCC/WinCC flexible) runtime error or unexpected termination.
Review the Windows Event Viewer for application error details. Reinstall or repair the HMI runtime software. Ensure software version compatibility with the operating system and hardware. - Event ID: 800
- CompactFlash or hard disk storage device not detected or read/write error.
Reseat the CompactFlash card or hard disk. Test the storage device in another system. Replace the storage media and restore the system image from backup if the device has failed.
Frequently Asked Questions
What is the supply voltage for the Siemens 6AV7423-2AC00-0CA1?
The Panel PC 477B operates on a 24 V DC supply voltage. Ensure the power source is stable and within the specified tolerance range.
What operating system does the 6AV7423-2AC00-0CA1 run?
This unit supports Microsoft Windows XP Professional or Windows XP Embedded. It is not natively compatible with Windows 7 or later without hardware and driver verification.
Is the 6AV7423-2AC00-0CA1 compatible with Siemens WinCC?
Yes, the SIMATIC Panel PC 477B is compatible with Siemens WinCC and WinCC flexible HMI runtime software, making it a standard platform for Siemens visualization projects.
What is the front panel protection rating of this Panel PC?
The front panel of the 6AV7423-2AC00-0CA1 is rated IP65, providing protection against dust ingress and low-pressure water jets, suitable for control cabinet door installation.
Can the storage media on this Panel PC be replaced or upgraded?
Yes, the unit uses a CompactFlash card or hard disk as its primary storage medium, which can be replaced. It is recommended to create a system image backup before replacing storage media.
Troubleshooting
Display remains blank after power is applied
Check the 24 V DC supply voltage at the power connector using a multimeter. Verify that the power LED indicator is active. Inspect internal fuses and the backlight inverter connection.
Restore the 24 V DC supply to within specification. Replace the internal fuse if blown. If the backlight has failed, replace the backlight inverter or the display assembly.
Touch screen does not respond or registers incorrect input positions
Attempt to recalibrate the touch screen through the Windows control panel. Check for physical damage or contamination on the touch surface. Verify the touch controller driver is installed correctly.
Perform a touch screen recalibration using the SIMATIC or Windows calibration tool. Clean the touch surface with a soft, dry cloth. If calibration fails repeatedly, replace the touch screen overlay or touch controller.
Panel PC fails to boot or gets stuck at the BIOS/POST screen
Check the CompactFlash card or hard disk for physical seating and integrity. Listen for any POST beep codes. Access BIOS to verify boot device order and storage device detection.
Reseat the storage media and retry booting. If the storage device is not detected, replace it and restore the operating system and HMI software from a backup image.
Ethernet communication is not established with the network or PLC
Verify the Ethernet cable is properly connected and the link LED on the RJ45 port is active. Check the IP address configuration in Windows network settings. Test the cable with another device.
Replace the Ethernet cable if faulty. Reconfigure the IP address settings to match the network subnet. If the RJ45 port is physically damaged, the unit may require board-level repair or replacement.
HMI runtime software (WinCC) crashes or fails to start
Review the Windows Event Viewer application log for error codes and crash details. Check available disk space and RAM usage. Verify that the runtime software version is compatible with the installed operating system.
Free up disk space if storage is near capacity. Reinstall or repair the WinCC runtime installation. If the issue is related to a corrupted OS, restore the system from a known-good backup image.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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