Siemens 6FC5357-0BB35-0AA0 SINUMERIK 840D/DE NCU 573.5 CNC Hardware
01Overview
Siemens 6FC5357-0BB35-0AA0 is SINUMERIK 840D/DE NCU 573.5 CNC hardware with a 933 MHz processor and 64 MB memory. The unit integrates the PLC 317-2DP platform, provides 3 MB NC user memory and 128 KB PLC user memory, and is prepared for PROFIBUS DP. Siemens identifies the product as spare-part hardware supplied without system software, so the machine archive and software environment remain separate replacement requirements.
02Specs
| Manufacturer | Siemens |
|---|---|
| Article Number | 6FC5357-0BB35-0AA0 |
| Product Family | SINUMERIK 840D/DE |
| Product Designation | NCU 573.5 |
| Component Type | CNC hardware / numerical control unit |
| Processor Frequency | 933 MHz |
| Memory | 64 MB |
| NC User Memory | 3 MB |
| PLC User Memory | 128 KB |
| PLC Platform | PLC 317-2DP |
| Fieldbus Preparation | PROFIBUS DP prepared |
| System Software | Not included |
| Commercial Position | Spare part |
03Features
Key Functions
- NCU 573.5 combines CNC processing and the integrated PLC 317-2DP platform.
- The exact article uses a 933 MHz processor and 64 MB memory.
- Three megabytes of NC user memory support the documented control generation.
- The integrated PLC user-memory level is 128 KB.
- PROFIBUS DP preparation supports the configured fieldbus architecture of the installed machine.
- The hardware-only supply allows the approved SINUMERIK software and machine archive to be managed as controlled system assets.
Product Identity
- Manufacturer: Siemens
- Model: 6FC5357-0BB35-0AA0
- Product Type: SINUMERIK 840D/DE NCU 573.5 numerical control unit
- Status: Spare part
04Applications
- Spare-part replacement in compatible SINUMERIK 840D/DE NCU 573.5 systems.
- Maintenance of CNC equipment using the 933 MHz NCU generation.
- Restoration of integrated NC and PLC hardware after a diagnosed control-unit failure.
- PROFIBUS DP machine architectures engineered for the original NCU 573.5.
- Lifecycle stock for machines with recoverable software, licenses and machine data.
- Controlled repair work where the original peripheral, memory and drive configuration must be preserved.
05Lifecycle
- Siemens identifies this exact article as a spare part.
- System software is not included; retain or obtain the correct software, license and machine archive separately.
- Do not use the NCU 573.5B processor or memory values for this article; 6FC5357-0BB35-0AB0 is a different product.
- Document the full MLFB, software version, memory card, PLC project, NC archive, PROFIBUS network and drive configuration before exchange.
- After replacement, validate startup, axes, spindles, PLC logic, field I/O, communications, diagnostics and required safety tests.
06FAQ
What is Siemens 6FC5357-0BB35-0AA0?
It is SINUMERIK 840D/DE NCU 573.5 CNC hardware with an integrated PLC 317-2DP platform.
Which processor and memory are identified?
The article is listed with a 933 MHz processor and 64 MB memory.
How much user memory is provided?
Siemens identifies 3 MB for NC user memory and 128 KB for PLC user memory.
Is system software included?
No. The official description states that the hardware is supplied without system software.
Is NCU 573.5B the same product?
No. NCU 573.5B uses a different complete order number and different processor and memory values.
What must be checked after replacement?
Restore the approved software and archive, then test NC operation, PLC logic, axes, spindles, fieldbus I/O, diagnostics and safety functions.
+Recommended Models
| FG1010-320-BL DX-TX-WP-BL | CD20S | SL-2000-P |
| XM060-500 | ES4/240/FC | 71.186.5311/03 |
| 909569-02L P25 TERA2 512R RJ45 | REG-K/8x230/16(MTN647893) | 3RT2015-1BB41 |
| MI-MCP-FLEX | RL28-55-LAS-2840/47/115b | EMD-FL-V-300 |
| HNW50049911-001 | 110100501 | RM35TF30 |
| 1700-1104-01 | APJ6385 | 1015362 |
| ZAPD-4-S | RS900GP-D-FG03-XX | FBM207b |
| DR-120-24 | Gent S4-720 | NV-226J-PV |
| GPS18x USB 010-00321-31 | FG1010-320-BL | 1734-IE2C |
| DSC-OPR-100-SSU-XXX | MTL 4013 | SPD910-300Pa |
