Manufacturer: Siemens
Product No.: 6ES7478-2DX00-0AA0
Country of origin:Germany
Product Type: Interface Modules
Barcode: 85389091
Payment: T/T, Western Union
Weight: 750g
Dimensions: 25.00cm x 18.00cm x 5.25cm
Shipping port: Xiamen
Warranty: 12 months
The 6ES7478-2DX00-0AA0 (6ES74782DX000AA0) is a specialized connection terminal block (TBX478) designed for high-level interface operations within the SIMATIC industrial automation ecosystem. This module is specifically engineered to facilitate the connection for the Input/Output-Bus, providing the necessary interface for I/O-Bus 1 and 2. It is a mandatory system component that functions exclusively in combination with the TPM478 (Terminal Processor Module). Together, they provide the robust data throughput and signal synchronization required for complex, high-speed PLC processing environments.
| Feature | Technical Data |
| Manufacturer | Siemens |
| Model Number | 6ES7478-2DX00-0AA0 |
| Product Family | SIMATIC Interface Modules |
| Module Type | Connection TBX478 (Terminal Block) |
| Bus Compatibility | I/O-Bus 1 / I/O-Bus 2 |
| Required Pairing | TPM478 (Mandatory for operation) |
| Dimensions (W x H x D) | 180 mm x 250 mm x 52.5 mm |
| Net Weight | 0.75 kg (Approx. 1.65 lbs) |
| Product Phase | Obsolete (Legacy Support Only) |
| Commodity Code | 85389091 |
| ECCN Regulation | N (Non-restricted) |
The 6ES7478-2DX00-0AA0 serves as a critical junction point for the I/O-Bus communication layer. In large-scale Siemens configurations, it ensures that data packets between the processor and the distributed periphery remain consistent and interference-free. Due to its "Obsolete" status, this module is primarily used in maintenance and repair cycles for existing industrial lines where the TPM478/TBX478 architecture is already established. Its robust mechanical design allows it to withstand the thermal and vibrational stresses typical of centralized control cabinets.
Can I use the 6ES7478-2DX00-0AA0 as a standalone interface?
No. The module is non-functional without the TPM478 module. It serves as the physical connection interface (TBX) for the logic processing performed by the TPM.
What is the primary function of the I/O-Bus 1/2 interface?
This interface manages the high-speed exchange of digital and analog signals between the central controller and specific specialized I/O racks, ensuring that time-critical production data is prioritized.
Global Express Shipping
Returns & Warranty
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 |
Black
|
| Country of origin |
Germany
|
| Power source |
DC Power
|
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