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The Siemens 6DD7050-0AA70 is an MFI (Multi-Function Interface) expansion module designed for the SIMATIC TDC (Technology and Drive Control) automation system. It is specifically used as an expansion module for the CPU551 controller module, providing additional high-speed interface and signal output capabilities essential for complex drive and technology applications.
The module serves as a critical interface expansion within the TDC platform, adding TDM-BUS (Time Division Multiplex) interface, CONTROL-BUS interface, and dedicated firing pulse / pulse harp outputs. These capabilities are particularly relevant for applications requiring precise synchronization and control of power electronics, such as in drive systems and specialized industrial control.
Número de artículo :
6DD7050-0AA70Pedido (cantidad mínima de pedido) :
1Pago :
EXWOrigen del producto :
GermanyPuerto marítimo :
Wuhan, Hubei, ChinaPlazo de entrega :
3-5 daysPeso :
0.5kgOverview
6DD7050-0AA70 SIMATIC PLC Module
New in stock
Origin from Germany
Payment Method: TT.Western Union
Shipping Method: DHL\UPS\Fedex\EMS\Others
More Brands
| Part Number | Description | Notes |
|---|---|---|
| 6DD7050-0AA70 | MFI Multi-Function Interface Module (this item) | Discontinued; remaining stock |
| CPU551 | SIMATIC TDC Controller Module | Host module for the MFI expansion |
| Other TDC Modules | Various SIMATIC TDC I/O and interface modules | Compatibility depends on system configuration |
Important Compatibility Note: The MFI module is designed specifically for the SIMATIC TDC CPU551. Verify compatibility with your specific TDC system configuration and firmware version before ordering. As a discontinued product, availability is limited to remaining stock and refurbished units.
1 × Siemens 6DD7050-0AA70 SIMATIC TDC MFI Multi-Function Interface Module
Note: CPU551 controller, rack, and other TDC components are sold separately.
In Stock – Limited remaining stock available
Tested – Each unit verified for functionality (refurbished units)
Warranty Included – 12-month warranty for purchase confidence
Technical Support – SIMATIC TDC compatibility assistance available
Q1: What is the Siemens 6DD7050-0AA70?
It is an MFI (Multi-Function Interface) expansion module for the SIMATIC TDC automation system, specifically designed as an expansion for the CPU551 controller. It adds TDM-BUS and CONTROL-BUS interfaces, along with firing pulse and pulse harp outputs .
Q2: Is this product still in production?
No. It is a discontinued/obsolete product. It is available only through remaining stock, refurbished units, or third-party suppliers .
Q3: What is the function of the firing pulse output?
The firing pulse output generates precisely timed pulses for controlling power semiconductors (such as thyristors or IGBTs) in drive and power conversion applications. This is essential for TDC systems controlling rectifiers, inverters, or other power electronics.
Q4: What is the "Pulse Harp" output?
The pulse harp output provides synchronized pulse trains for timing-critical functions, enabling precise coordination of multiple drive axes or power stages within the TDC system .
Q5: Which controller is this module compatible with?
It is designed for use with the SIMATIC TDC CPU551 controller module .
Q6: What are the dimensions and weight?
Approximately 2.50 × 26.70 × 20.30 cm and 0.428 kg .
Q7: What is the country of origin?
Germany (per Siemens documentation for the TDC platform) .
Q8: What should I verify before ordering?
Always verify the exact part number (6DD7050-0AA70), confirm your SIMATIC TDC system uses the CPU551 controller, check the condition and warranty terms of the specific unit offered (new, refurbished, or used), and ensure the module is compatible with your existing TDC configuration and firmware.
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