Siemens 6ES7972-0AA02-0XA0 SIMATIC RS485 Repeater

6ES79720AA020XA0 – RS485 repeater module for connecting PROFIBUS DP or MPI bus systems, enabling data transmission across extended network segments. Supports up to 31 nodes, 12 Mbit/s baud rate, and features enhanced user handling and compact IP20 housing.

Note: This product is part of a phase-out notice and will be discontinued from 01.10.2024.

Technical Specifications

• Model: 6ES7972-0AA02-0XA0
• Series: SIMATIC DP
• Module Type: RS485 Repeater
• Protocol Support: PROFIBUS DP / MPI
• Max. Baud Rate: 12 Mbit/s
• Max. Nodes: 31
• Degree of Protection: IP20
• Net Weight: 0.248 kg
• Dimensions (W×H×D): 7.3 × 13.4 × 6.5 cm
• Lifecycle Status: Phase-out since 01.10.2024
• Country of Origin: Germany

Function & Application

Purpose:
This RS485 repeater module is used to extend PROFIBUS or MPI networks, allowing for connection of up to 31 devices. It electrically isolates bus segments and amplifies signal quality across long distances.

Typical Applications:

• PROFIBUS DP/MPI network extension
• Isolation of bus segments
• Industrial environments with IP20-rated enclosures
• OEM and retrofit automation

Performance & Features

• 12 Mbit/s Baud Rate : Supports high-speed data transfer
• Connects Up to 31 Devices : Scalable for small to mid-sized field networks
• Bus System Compatibility : PROFIBUS and MPI
• Compact IP20 Housing : Space-saving installation
• Enhanced User Handling : Simplified connection and setup

6ES7972-0AA02-0XA0 Compliance & Classification

• RoHS Compliance: Since 24.01.2011
• WEEE Take-Back Obligation: Yes
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
  • 6,6′-di-tert-butyl-2,2′-methylenedi-p-cresol > 0.1%
• SCIP Number: f4f28e69-164b-40f9-8518-17851d758bdc
• Commodity Code: 85176200
• Catalog ID: ST76
• Product Group: X08V
• Group Code: R151
• Product Class: A – Returnable stock item
• EAN: 4025515079620
• UPC: 040892595581

Key Features & Benefits:

✅ RS485 Signal Boosting : Ensures stable communication across long distances.

✅ PROFIBUS & MPI Compatibility : Works seamlessly across Siemens automation.

✅ Up to 31 Nodes : Ideal for distributed I/O environments.

✅ Easy Installation : Compact design, improved handling.

✅ Discontinued Notice : Still available for spares and system support.

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