The Siemens 6ES7972-0AA00-0XA0 is a SIMATIC S7 RS485 repeater designed to extend or regenerate PROFIBUS and MPI bus segments. It supports up to 31 nodes per segment and handles data rates up to 12 Mbit/s, which covers the full PROFIBUS speed range from 9.6 kbit/s to 12 Mbit/s. The IP20 rating means it's intended for installation inside a control cabinet or enclosure, not for wet or dusty field locations.
Siemens 6ES7972-0AA00-0XA0 SIMATIC S7 RS485 Repeater, 12 Mbi
MPN6ES7972-0AA00-0XA0
Siemens SIMATIC S7 RS485 repeater, 6ES7972-0AA00-0XA0, for PROFIBUS/MPI bus systems, max. 31 nodes, 12 Mbit/s, IP20.
$266.70Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.20 kgs |
Product details
Frequently asked questions
What are the key ratings for this RS485 repeater?
It supports up to 31 nodes per segment at a maximum data rate of 12 Mbit/s. It is an RS485 repeater for PROFIBUS and MPI bus systems with an IP20 enclosure rating.
MPN
6ES7972-0AA00-0XA0