SIEMENS 6ES7972-0AA01-0XA0 SIMATIC DP RS485 Repeater

Buy online your SIEMENS 6ES7972-0AA01-0XA0 SIMATIC DP RS485 Repeater from UK e-store Cnc-shopping UK, specialist in CNC machine-tools spare parts.

The SIEMENS 6ES7972-0AA01-0XA0 is a SIMATIC DP RS485 repeater designed to regenerate signals, electrically isolate network segments, and extend PROFIBUS DP/MPI networks in CNC machine tools and industrial automation systems.

Suitable for SIMATIC S7, ET 200, SINAMICS, and SIMODRIVE installations, it supports transmission speeds up to 12 Mbit/s, with a maximum of 31 nodes per segment and an IP20 protection rating. Its transparent operation simplifies replacement without modifying network addresses or PLC programs, provided the existing configuration is maintained.

This module is an ideal replacement unit, industrial spare part, or CNC replacement component for maintenance, retrofit projects, and emergency repairs.

Cnc-shopping can supply the SIEMENS 6ES7972-0AA01-0XA0 as a tested or refurbished unit, depending on availability, with a commercial warranty and worldwide shipping. Repair services, exchange services, and obsolete part sourcing may also be available.

Frequently asked questions about 6ES7972-0AA01-0XA0:

Does it support high-speed PROFIBUS DP operation up to 12 Mbit/s?
Yes, the repeater is designed for standard PROFIBUS DP baud rates including 12 Mbit/s. Ensure the segment cabling, shielding and termination match the selected data rate.

Is it a drop-in replacement for the same SIEMENS reference?
For a like-for-like swap it installs as a direct replacement. Verify termination at the segment ends and maintain correct cable orientation when moving connectors.

Can it be placed between an S7 DP master and ET 200 modules in another cabinet?
That is a common setup. The repeater separates the cabinets into two segments, improves signal integrity on the inter-cabinet link and provides isolation between sections.

Can it be used on DP networks with SINAMICS or SIMODRIVE drives?
Yes, it can sit on PROFIBUS lines that include drive nodes. Proper shielding, grounding and end-of-line termination are important to maintain stable telegrams.

How should bus termination be handled with this repeater?
Termination belongs at the physical ends of each PROFIBUS segment. The repeater sits between segments, so only the segment endpoints are terminated according to PROFIBUS guidelines.