Siemens PROFIBUS RS-485 repeater,12 Mbit/s / 6ES7972-0AA02-0XA0

6ES7972-0AA02-0XA0: PROFIBUS RS-485 repeater,12 Mbit/s. Specifications follow the exact manufacturer row; confirm the complete host configuration, revision and current availability before ordering.

Manufacturer part number: 6ES7972-0AA02-0XA0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-400
Module function: RS-485 repeater for PROFIBUS
Maximum transfer rate: 12 Mbit/s
Power supply (nominal): 24 VDC
Protection rating: IP20
Document pages: PDF 16
Current lifecycle status: Not established by historical May 2017 catalogue; confirm current lifecycle and supply separately

Manufacturer technical catalog · Siemens ST400 May 2017; exact technical/ordering row, PDF 16 · en · PDF · May 2017Manufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7972-0AA02-0XA0 · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.