EN
Siemens SIMATIC Power Rail Booster for PROFIBUS DP 6ES7972-4AA02-0XA0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens • SIMATIC PROFIBUS Network Components
6ES7972-4AA02-0XA0 SIMATIC Power Rail Booster for PROFIBUS DP
The Siemens SIMATIC Power Rail Booster transfers bidirectional PROFIBUS signals across contact rails, loops and other cable paths that do not conform to the standard PROFIBUS medium, while regenerating the signal and automatically detecting the active baud rate.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES7972-4AA02-0XA0 |
| Product Type | Power Rail Booster for PROFIBUS DP |
| Core Function | Amplifies and regenerates PROFIBUS signals for transmission across contact rails and nonstandard cable paths |
| Application or Compatible Series | Mobile material-handling and machine systems using PROFIBUS over contact rails, loops or slip-ring paths |
Exact Identification
Match 6ES7972-4AA02-0XA0 character by character and confirm the complete SIMATIC Power Rail Booster for PROFIBUS DP designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The Siemens SIMATIC Power Rail Booster transfers bidirectional PROFIBUS signals across contact rails, loops and other cable paths that do not conform to the standard PROFIBUS medium, while regenerating the signal and automatically detecting the active baud rate.
The booster carries PROFIBUS DP and FMS, FDL and MPI traffic without reserving a PROFIBUS address. It detects supported baud rates automatically, regenerates the signal waveform and permits cascaded booster arrangements. Independent PROFIBUS and Power Rail interfaces include short-circuit monitoring, temperature protection and galvanic isolation.
Key Functions
Transparent PROFIBUS Transfer
The booster carries PROFIBUS DP and FMS, FDL and MPI traffic without reserving a PROFIBUS address.
Automatic Signal Adaptation
It detects supported baud rates automatically, regenerates the signal waveform and permits cascaded booster arrangements.
Protected Dual-Interface Design
Independent PROFIBUS and Power Rail interfaces include short-circuit monitoring, temperature protection and galvanic isolation.
Official Specifications
| Operating Voltage | 20.4 to 28.8 V DC; 24 V typical, SELV |
|---|---|
| Maximum Rated Current | 1.2 A |
| Maximum Inrush Current | 20 A |
| Supply-Voltage Protection | 6 A category C circuit-breaker |
| Maximum Power Dissipation | 20 W |
| Supported Transmission Rates | 9.6, 19.2, 45.45, 93.75, 187.5 and 500 kbit/s |
| Transmission-Rate Selection | Automatic |
| Maximum Signal Propagation Time | 6 tBit |
| Retimer Timing Accuracy | ±0.1% |
| PROFIBUS Electrical Interface | RS485 level; input-voltage endurance from -7 to +12 V |
| PROFIBUS Pin 6 Supply | 5 V ±10%, 50 mA |
| Power Rail Electrical Interface | Differential signal up to 40 V; input endurance up to 60 V differential and 2.5 kV to ground |
| Signalling Contact Rating | 30 V DC or 250 V AC; 0.2 A maximum; 6 W resistive make-break capacity |
| Galvanic Isolation | PROFIBUS, supply and signalling-contact interfaces isolated; Power Rail interface isolated from other circuits |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to +70 °C |
| Relative Humidity | Below 95%, non-condensing |
| Operating Vibration | 10 to 58 Hz at 0.075 mm displacement; 58 to 150 Hz at 9.8 m/s² acceleration |
| Degree of Protection | IP20 |
| Mechanical Data | 90.1 x 132 x 74 mm; 360 g; horizontal installation on a vertical wall |
Frequently Asked Questions
Where is 6ES7972-4AA02-0XA0 typically used in an automation system?
It is designed for mobile equipment such as overhead conveyors, storage and retrieval machines, cranes, rotary tables, lifts and traversing tracks that exchange PROFIBUS data through contact rails.
Which communication protocols can 6ES7972-4AA02-0XA0 transfer?
The transparent network component transfers PROFIBUS DP and FMS together with FDL and MPI traffic.
How many units of 6ES7972-4AA02-0XA0 are required for one transmission link?
A complete transmission link requires at least two boosters, with one at each side of the Power Rail path.
How is the baud rate configured on 6ES7972-4AA02-0XA0?
The unit detects a valid supported baud rate automatically after receiving bus messages.
Can 6ES7972-4AA02-0XA0 be used in line and star network layouts?
Yes; contact-rail networks can be arranged in line, star, point-to-point and documented closed-ring topologies.
How does 6ES7972-4AA02-0XA0 report operating and fault conditions?
Seven front-panel LEDs indicate supply status, PROFIBUS and Power Rail activity, group faults, temperature status and resistance-measurement operation.
What should I record before replacing 6ES7972-4AA02-0XA0?
Preserve the PROFIBUS parameters, contact-rail topology, supported baud rate, signalling-contact wiring, supply protection and PRB Checker configuration.
Compatibility & Ordering Notes
Compatibility Checklist
- Use at least two boosters for a complete Power Rail transmission link and keep every contact-rail segment within the engineered resistance and capacitance limits.
- Match the PROFIBUS parameters and select only the documented rates from 9.6 to 500 kbit/s.
- Maintain the horizontal mounting position on a vertical wall and the required control-cabinet installation environment.
