Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
The 6ES5900-0AA12 is a SIMATIC S5 900-series CPU module with an integrated power supply. This unit is engineered to provide a 24V DC to 5V DC power conversion, specifically designed to support the operational requirements of the S5 PLC architecture. The 6ES5900-0AA12 features a built-in slot for an EPROM memory submodule, accommodating up to 8K bytes of memory to store control programs. Additionally, the module is equipped with an integrated operator and display panel, facilitating local diagnostics and status monitoring during system operation.
| Feature | Specification |
|---|---|
| Manufacturer | Siemens |
| Range | SIMATIC S5 |
| Subrange | S5 |
| Product Type | Power Supply/CPU |
| Input Voltage | 24V DC |
| Output Voltage | 5V DC |
| Memory Capacity | Max 8K Bytes (EPROM) |
| Interface | Operator and Display Panel |
| Dimensions | 24.00 x 18.50 x 10.00 cm |
| Weight | 0.60 kg |
| Commodity Code | 85389091 |
| Export Control (ECCN) | N |
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Returns & Warranty

The 6ES5900-0AA12 is a SIMATIC S5 900-series CPU module with an integrated power supply. This unit is engineered to provide a 24V DC to 5V DC power conversion, specifically designed to support the operational requirements of the S5 PLC architecture. The 6ES5900-0AA12 features a built-in slot for an EPROM memory submodule, accommodating up to 8K bytes of memory to store control programs. Additionally, the module is equipped with an integrated operator and display panel, facilitating local diagnostics and status monitoring during system operation.
| Feature | Specification |
|---|---|
| Manufacturer | Siemens |
| Range | SIMATIC S5 |
| Subrange | S5 |
| Product Type | Power Supply/CPU |
| Input Voltage | 24V DC |
| Output Voltage | 5V DC |
| Memory Capacity | Max 8K Bytes (EPROM) |
| Interface | Operator and Display Panel |
| Dimensions | 24.00 x 18.50 x 10.00 cm |
| Weight | 0.60 kg |
| Commodity Code | 85389091 |
| Export Control (ECCN) | N |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Dots
|
| Country of origin |
Germany
|
| Power source |
DC Power
|