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

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The Siemens 6ES7972-0AA01-0XA0 is a high-performance RS485 repeater designed for SIMATIC DP, PROFIBUS, and MPI bus systems. It serves as...

رمز المنتج: 6ES7972-0AA01-0XA0

Manufacturer: Siemens
Product No.: 6ES7972-0AA01-0XA0
Product Type: RS485 Repeater
Product Origin: Germany
Payment:T/T, Western Union
Weight: 260g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

The Siemens 6ES7972-0AA01-0XA0 is a high-performance RS485 repeater designed for SIMATIC DP, PROFIBUS, and MPI bus systems. It serves as an essential component for expanding industrial network topologies by regenerating signals to maintain data integrity over extended cable runs. By providing electrical isolation between bus segments, it effectively mitigates ground loop interference and protects network segments from localized faults.

Features

Supports PROFIBUS and MPI network protocols.
Facilitates connection for up to 31 nodes per segment.
Supports variable transmission rates ranging from 9.6 kbit/s up to 12 Mbit/s.
Transparent operation: Requires no configuration, GSD files, or software integration.
Provides galvanic isolation between Segment 1 and Segment 2.
IP20-rated enclosure suitable for standard industrial control cabinet environments.

Applications

Industrial automation for packaging, conveyor systems, and assembly lines.
Building automation including HVAC, lighting control, and access management.
Infrastructure management in water and wastewater treatment facilities.
Material handling, sorting, and precision positioning systems.
Remote monitoring and HMI connectivity for unmanned plant operations.

Technical Specifications

Model	6ES7972-0AA01-0XA0
Supply Voltage	24 V DC
Permissible Voltage Range	20.4 V to 28.8 V DC
Max Current Consumption	200 mA
Max Transmission Rate	12 Mbit/s
Degree of Protection	IP20
Max Relative Humidity	95% at 25 degC
Mounting	35 mm DIN Rail

Installation Guidelines

Mounting: Designed for snap-on mounting to a standard 35 mm DIN rail. The unit can be oriented horizontally or vertically.
Thermal Management: Ensure ambient temperature remains within limits (max 60 degC for horizontal mounting; max 40 degC for vertical mounting).
Enclosure: Always install within an approved, protective industrial control cabinet to maintain IP20 compliance and physical safety.
Wiring: Utilize the two terminal blocks for bus cable connections. Ensure power is disconnected before installing or removing the module to prevent electrical damage.
Grounding: Proper grounding of the control cabinet is essential to leverage the electrical isolation features of the repeater.

FAQ

Is this repeater compatible with STEP 7 configuration?

No, this device is a transparent hardware component. It does not require any software configuration, GSD file installation, or hardware entry in the PLC project.

What do the LED indicators signify?

The LEDs indicate bus activity. A flickering or blinking LED suggests low message traffic, while a solid light indicates high-volume communication across the segment.

Does this model provide diagnostic feedback?

No, this model does not support built-in network diagnostics. If you require advanced topology mapping or fault location, a dedicated Diagnostics Repeater is recommended.

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