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The 6FC5370-6AA00-0AA0 is a Siemens SINUMERIK numerical control unit. Siemens manufacturer declaration documents map this exact part number to SINUMERIK 828D PPU261.1 (Panel Unit), and Siemens spare-parts portal entries identify it as a spare part.
Product-market references also list it with 24 V DC input, dimensions of 310 × 380 × 121 mm, and a weight of 4.5 kg.
This part belongs to the core hardware of the SINUMERIK 828D control platform. As a panel processing unit, it is directly tied to the original control and operator hardware structure of the machine.
That makes it relevant to machines that are already built around 828D architecture and need continuity at the CNC hardware level.
| Parameter | Value |
|---|---|
| Part Number | 6FC5370-6AA00-0AA0 |
| Manufacturer | Siemens |
| Family | SINUMERIK |
| Product Class | Numerical Control Unit / Panel Unit |
| Official Mapping | SINUMERIK 828D PPU261.1 |
| Input Voltage | 24 V DC |
| Dimensions | 310 × 380 × 121 mm |
| Weight | 4.5 kg |
| Product Lifecycle Context | Spare part |
This model is used in SINUMERIK 828D control systems where the panel processing unit is part of the original CNC hardware structure.
It is particularly relevant in service, lifecycle support, and replacement planning for installed systems that already depend on the corresponding 828D panel-unit architecture.
Because the part is identified in Siemens material as a spare part and mapped to a specific 828D PPU family position, it is best suited to maintaining the original CNC hardware structure rather than substituting a different control platform.
The key checks are the exact part number, the SINUMERIK 828D platform, the PPU261.1 mapping, and the 24 V DC supply requirement.
These points determine whether the unit matches the installed CNC hardware.
Q1: What kind of unit is 6FC5370-6AA00-0AA0?
It is a SINUMERIK numerical control panel unit. Siemens documentation maps it to SINUMERIK 828D PPU261.1, which identifies it as part of the 828D panel-unit hardware rather than as a standard PLC CPU or I/O card.
Q2: Is this a spare part or a current platform module?
Siemens spare-parts portal entries identify this exact model as a spare part. That means it is most relevant in lifecycle support, maintenance, and replacement of installed 828D systems.
Q3: Why is the PPU designation important?
Because the PPU designation defines the hardware position of the unit within the SINUMERIK 828D platform.
Siemens manufacturer declarations link this exact part number to PPU261.1, and that mapping is one of the main compatibility checks in CNC hardware replacement.
Q4: Why do the dimensions and supply voltage matter?
The published 24 V DC supply requirement and the listed mechanical dimensions help confirm whether the unit matches the installed cabinet and panel arrangement.
In CNC hardware, electrical fit and physical fit are both critical.
Q5: What should be checked before ordering?
Check the installed part number, confirm the machine uses SINUMERIK 828D, verify the PPU261.1 hardware class, and make sure the cabinet or panel arrangement matches the published 24 V DC supply and overall unit size.
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