Siemens 6FC5210-0DF31-2AA0 SINUMERIK PCU 50.3-C CM370
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Product Information
The Siemens 6FC5210-0DF31-2AA0 is a SINUMERIK PCU 50.3-C CM370 electronic control unit for CNC machine tools and industrial automation systems. As an industrial PC and CNC control unit in the SINUMERIK PCU 50.3 family, it provides the computing platform for machine control, operator interface functions, communication and system configuration. The unit uses an Intel Celeron M 1.5 GHz processor, 512 MB SDRAM and Windows XP Professional for Embedded Systems.
For machine integration, the PCU 50.3-C provides an integrated PROFIBUS-DP and MPI interface, two 10/100 Mbit/s Ethernet ports with RJ45 connectors, four USB 2.0 ports and one COM1 RS-232C serial interface. Two PCI expansion slots and a CompactFlash Type I slot support system-specific expansion and storage. A replacement may require transfer or restoration of the CNC configuration and drive image; hard disk or CompactFlash storage can be used with Symantec Ghost for image backup and restoration. Check the part number, hardware revision, operating-system compatibility, interfaces and machine configuration before commissioning.
This Siemens PCU is discontinued and is used for replacement and maintenance of compatible legacy SINUMERIK CNC systems. The 24 V DC control unit has a maximum power consumption of 190 W, 20 ms mains buffering and an IP20 protection rating. Windows Event Viewer and SINUMERIK CNC diagnostic software provide service checks, while the required PROFIBUS-DP, MPI, Ethernet TCP/IP, serial and USB connections should be checked when troubleshooting a replacement. The successor part number is 6FC5210-0DF31-2AA1, subject to hardware and configuration verification.
Technical Specifications
| Manufacturer | Siemens |
| Part number | 6FC5210-0DF31-2AA0 |
| Model/type | SINUMERIK PCU 50.3-C CM370 Electronic Control Unit |
| Component type | Industrial PC and CNC control unit |
| Product family | SINUMERIK PCU 50.3 |
| Processor | Intel Celeron M 1.5 GHz |
| Installed RAM | 512 MB SDRAM |
| Operating system | Windows XP Professional for Embedded Systems |
| Supply voltage | 24 V DC |
| Maximum power consumption | 190 W |
| Mains buffering time | 20 ms |
| Ethernet ports | 2 x RJ45, 10/100 Mbit/s |
| PROFIBUS/MPI interface | 1 integrated interface |
| Serial interface | 1 x COM1, RS-232C |
| USB ports | 4 x USB 2.0 |
| Supported communication protocols | PROFIBUS-DP, MPI, Ethernet TCP/IP |
| Expansion slots | 2 x PCI; 1 x 265 mm and 1 x 175 mm |
| Storage expansion | 1 x CompactFlash Type I slot |
| Configuration storage | Hard disk or CompactFlash card with backup and restore support |
| Protection rating | IP20 |
| Lifecycle status | Discontinued |
Programming and Configuration
The SINUMERIK PCU 50.3-C runs Windows XP Professional for Embedded Systems and stores system configuration on a hard disk or CompactFlash card. The available storage supports retention of the CNC configuration and drive image for service and replacement work.
Symantec Ghost can be used for drive image backup and restoration when compatible replacement hardware is available. Before commissioning a spare, transfer or restore the relevant image and check operating-system compatibility, hardware revision, required interfaces and the machine configuration.
Communication and System Integration
The unit integrates one PROFIBUS/MPI interface for SINUMERIK system architectures and supports PROFIBUS-DP and MPI communication. Ethernet TCP/IP connectivity is provided through two RJ45 ports with 10/100 Mbit/s support.
Peripheral and service connections include four USB 2.0 ports and one COM1 RS-232C serial interface. Two PCI slots, consisting of one 265 mm slot and one 175 mm slot, plus one CompactFlash Type I slot provide expansion and storage options for the installed system.
Diagnostics and Status Indication
Service checks can be performed with Windows Event Viewer and SINUMERIK CNC diagnostic software. These tools support troubleshooting of the PCU within the CNC control system.
When a replacement does not operate as expected, check the 24 V DC supply, the restored configuration or drive image, the required PROFIBUS-DP, MPI or Ethernet TCP/IP connection, and the connected serial or USB devices. Confirm that the replacement hardware and operating-system environment match the machine configuration.
Replacement and Spare Part Considerations
Use the complete part number 6FC5210-0DF31-2AA0 and the SINUMERIK PCU 50.3-C CM370 model designation when comparing a spare. The installed PROFIBUS/MPI interface, two Ethernet ports, COM1 RS-232C interface, USB 2.0 ports, PCI slots and CompactFlash Type I slot should match the machine's requirements.
A replacement PCU may require restoration of the CNC configuration or drive image from a hard disk or CompactFlash card using Symantec Ghost. Verify the Windows XP Professional for Embedded Systems environment, hardware revision, required interfaces and machine configuration before installation.
The Siemens successor part number is 6FC5210-0DF31-2AA1, but substitution depends on hardware and configuration verification. The discontinued 6FC5210-0DF31-2AA0 remains relevant for repair, spare-part management and maintenance of compatible legacy SINUMERIK systems.
Frequently Asked Questions
What is the Siemens 6FC5210-0DF31-2AA0?
It is a SINUMERIK PCU 50.3-C CM370 electronic control unit, combining an industrial PC with a CNC control platform for compatible SINUMERIK machine systems.
Which interfaces does the SINUMERIK PCU 50.3-C provide?
The unit provides one integrated PROFIBUS/MPI interface, two 10/100 Mbit/s RJ45 Ethernet ports, four USB 2.0 ports and one COM1 RS-232C serial interface.
What must be transferred when replacing this PCU?
The CNC configuration or drive image may need to be transferred or restored from a hard disk or CompactFlash card. Symantec Ghost supports compatible drive image backup and restoration.
Which operating system does the 6FC5210-0DF31-2AA0 use?
The PCU runs Windows XP Professional for Embedded Systems.
Is 6FC5210-0DF31-2AA1 a replacement for this PCU?
6FC5210-0DF31-2AA1 is the Siemens successor part number. Hardware revision, operating-system compatibility, required interfaces and the machine configuration must be checked before substitution.
Which tools can be used for diagnostics?
Windows Event Viewer and SINUMERIK CNC diagnostic software can be used for service checks. Supply voltage, configuration restoration and PROFIBUS-DP, MPI, Ethernet TCP/IP, serial and USB connections should also be checked during replacement troubleshooting.
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Disclaimer:
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