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The Siemens 6ES7972-0AA01-0XA0 is a SIMATIC DP RS485 repeater designed for the connection of PROFIBUS and MPI bus systems. This module serves as an active network component that regenerates signals to maintain data integrity over extended cable distances and provides electrical isolation between bus segments to mitigate ground loop interference.
| Model | 6ES7972-0AA01-0XA0 |
| Supply Voltage | 24 V DC |
| Voltage Range | 20.4 V to 28.8 V DC |
| Max Current Consumption | 200 mA |
| Transmission Rate | 9.6 kbit/s to 12 Mbit/s |
| Max Nodes per Segment | 31 |
| Degree of Protection | IP20 |
| Max Relative Humidity | 95% at 25 degC |
It is used to amplify data signals and connect segment lines within PROFIBUS and MPI networks, allowing for extended network distances and increased node capacity.
No, this is a hardware-based, transparent device that does not require configuration in STEP 7 or TIA Portal.
No, this model does not include built-in diagnostic features. For advanced topology mapping and fault location, a dedicated Diagnostics Repeater is required.
Flickering or blinking LEDs indicate low message traffic on the bus, while solidly lit LEDs indicate a high volume of data transmission.