Product Overview
The Siemens 6ES7972-0AA02-0XA0 is a critical active network component within the SIMATIC DP (Decentralized Periphery) portfolio, specifically functioning as an RS485 Repeater for PROFIBUS and MPI networks. In large-scale industrial automation systems, electrical signals transmitted over long distances or to numerous devices can degrade, leading to communication errors. This repeater addresses such issues by regenerating and strengthening the signals, effectively extending the maximum permissible cable length of a bus segment and allowing more nodes to be connected.
Beyond simply boosting signals, the 6ES7972-0AA02-0XA0 also provides vital electrical isolation between the connected bus segments. This isolation is crucial for segmenting the network, which can help in isolating faults to a specific part of the system, preventing a failure in one area from bringing down the entire communication network. Its robust design is tailored for the harsh conditions of industrial environments, ensuring reliable and continuous operation. Whether for extending the reach of a programming device (PG) connected via MPI or expanding a PROFIBUS DP network, this repeater is an indispensable tool for designing resilient and high-performing industrial communication infrastructures.
Specifications
| Article Number | 6ES7972-0AA02-0XA0 | Product Type | Repeater |
| Net Weight | 0.15 kg (Estimated) | Series | SIMATIC DP / PROFIBUS |
| Communication Standard | PROFIBUS DP, MPI | Interface | RS485 |
| Baud Rate | Up to 12 Mbit/s | Number of Segments | Connects 2 segments |
| Electrical Isolation | Yes | Protection Class | IP20 |
| Power Supply | Typically from bus or external 24V DC | Operating Temp. | 0 °C to +60 °C |
| Mounting | DIN rail | Dimensions (H x W x D) | Approx. 90 mm x 40 mm x 75 mm |
| Country of Origin | Germany |
Note: For precise application and detailed technical specifications for the 6ES7972-0AA02-0XA0 SIMATIC DP PROFIBUS/MPI RS485 Repeater, please consult the relevant SIMATIC NET manuals for exact wiring diagrams, network design guidelines, and commissioning details.
Features
The Siemens 6ES7972-0AA02-0XA0 SIMATIC DP PROFIBUS/MPI RS485 Repeater offers the following key features:
- Signal Regeneration: Reconditions and amplifies bus signals, enabling longer cable lengths and more nodes.
- PROFIBUS and MPI Compatibility: Supports communication over both PROFIBUS DP and MPI networks.
- RS485 Standard: Utilizes the robust RS485 transmission standard for reliable industrial communication.
- Electrical Isolation: Provides galvanic isolation between bus segments, improving fault tolerance and network stability.
- Increased Network Reach: Extends the physical limits of PROFIBUS/MPI networks.
- Improved Signal Quality: Reduces signal degradation, ensuring reliable data transmission over extended distances.
- DIN Rail Mounting: Easy and secure installation in control cabinets.
- Compact and Robust Design: Suitable for harsh industrial environments.
Applications
The Siemens 6ES7972-0AA02-0XA0 SIMATIC DP PROFIBUS/MPI RS485 Repeater is crucial for various industrial communication scenarios:
- Extending PROFIBUS DP Networks: Used when the total cable length exceeds the specified limits or when connecting a high number of devices.
- Branching Bus Structures: Creating star or tree topologies in PROFIBUS/MPI networks.
- Increasing Node Count: Allows more devices to be connected to a single bus system.
- Connecting Remote Segments: Bridging gaps between physically separated bus segments.
- Improving Signal Quality: Enhancing communication reliability in electrically noisy environments or with degraded cable infrastructure.
- Fault Isolation: Segmenting a large network to prevent a fault in one section from affecting the entire system.
- Programming Device (PG) Connection: Extending the reach for connecting PGs to MPI networks.
- Any application requiring reliable and extended PROFIBUS or MPI communication over RS485.
Other Related PROFIBUS Components
Here are some other commonly available Siemens PROFIBUS components that Gold Rayline can help you source:
| 6ES7972-0BA12-0XA0 | 6ES7972-0BB12-0XA0 | 6XV1830-0AH10 | 6GK1503-3CA00 |
| 6GK1561-3AA00 | 6GK1101-0AA00 | 6GK1571-0BA00-0AA0 | 6GK1502-3CA00 |
| 6ES7343-5FA01-0XE0 | 6ES7443-5DX05-0XE1 | 6ES7972-0BB41-0XA0 | 6XV1830-0BH10 |
Note: The models above are representative of various PROFIBUS connectors (including FastConnect), standard cables, optical link modules (OLMs), PC interface cards (CPs, USB adapters), PROFINET to PROFIBUS gateways, other repeaters, and communication processors for S7-300/S7-400 PLCs. Gold Rayline maintains a wide network for sourcing Siemens components. Please contact our sales team for specific model availability, detailed specifications, or to inquire about other industrial communication solutions to meet your exact project requirements.
Why Choose Gold Rayline?
At Gold Rayline, we’re your trusted partner for high-quality Siemens automation solutions. We specialize in supplying genuine Siemens parts, including essential components like this PROFIBUS/MPI Repeater and other discontinued or hard-to-find models, ensuring you always receive original automation components.
Sufficient Inventory & Stable Resources: We maintain ample stock and stable supplier resources to ensure quick order fulfillment. This allows you to confidently purchase obsolete industrial automation parts, like various PROFIBUS and SIMATIC NET components, minimizing your operational downtime.
1-Year Warranty: We stand behind the reliability of our genuine Siemens products, including this PROFIBUS/MPI Repeater, by offering a comprehensive 1-year warranty, providing you with complete peace of mind.
Competitive Pricing & Expert Support: Gain access to transparent pricing and direct technical assistance from our certified engineers, ensuring seamless integration and optimal performance for your Siemens industrial control systems.
Fast Shipping: With orders typically shipped within 3-7 days, we significantly reduce your waiting time, getting your critical components to you quickly.