PROFIBUS DP Module 7KG8000-8AA20/FF | Siemens Power Supply
Manufacturer: Siemens
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Part Number: 7KG8000-8AA20/FF
Condition：New with Original Package
Product Type: Industrial Power Supply
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Siemens 7KG8000-8AA20/FF | PROFIBUS DP Power Supply & Interface Module
The Siemens 7KG8000-8AA20/FF stands as a specialized power supply and communication unit within the high-performance 7KG energy automation series. This module provides a dual-function solution by delivering stable DC power while simultaneously bridging communication between field devices and central control systems. Engineers typically specify this model when they require a ruggedized power source that fully integrates into a PROFIBUS DP network.
Reliability in energy distribution systems is paramount, and this unit delivers a remarkable efficiency rating of up to 95%. It handles a versatile input range of 24–60 V DC, which allows it to adapt to various industrial battery and supply voltages. Furthermore, the integrated communication hardware enables real-time monitoring of power status directly through your Siemens automation software. This integration significantly reduces the complexity of wiring while enhancing the overall diagnostic capabilities of your electrical cabinet.
Technical Specifications
| Parameter | Specification Details |
| Manufacturer | Siemens AG |
| Model / Part Number | 7KG8000-8AA20/FF |
| Device Category | Industrial Power Supply / Interface Unit |
| Communication Interface | PROFIBUS DP (High-speed data exchange) |
| Input Voltage Range | 24 V to 60 V DC |
| Maximum Output Power | Up to 7 kW |
| System Efficiency | 95% |
| Output Frequency | 125 kHz (Internal switching frequency) |
| Output Signal | 4–20 mA DC (Available for monitoring loops) |
| Approximate Weight | 1.0 kg |
| Installation Type | Cabinet / Rack Mounting |
| Country of Origin | Germany |
Frequently Asked Questions (FAQ)
Can I use the 7KG8000-8AA20/FF as a standalone power supply?
While it functions as a PSU, it is designed for Siemens automation networks where PROFIBUS monitoring is utilized.
What are the primary benefits of the 125 kHz switching frequency?
A higher switching frequency allows for a more compact design and better filtering of output ripple for sensitive electronics.
Does this module support fiber optic communication?
No, this specific FF variant focuses on PROFIBUS DP, though other 7KG models offer RS485 or optical fiber interfaces.
Is this unit compatible with a 230 V AC input?
This specific model requires a DC input between 24 V and 60 V; please check the 7KG series for AC variants.