Siemens 6ES7972-0BA12-0XA0 PROFIBUS DP connector

The Siemens 6ES7972-0BA12-0XA0 is a PROFIBUS DP connector (specifically, a PROFIBUS FastConnect Bus Connector with an integrated terminating resistor). It is designed for fast, reliable, and error-free connection of PROFIBUS DP cables to PROFIBUS-enabled devices, such as PLCs, HMIs, and distributed I/O modules, in industrial automation environments. Its angled design and integrated features make it particularly convenient for professional bus wiring.

Product Detailed Description

• Function:

• Connects PROFIBUS DP communication cables (typically PROFIBUS FastConnect Bus Cable) to PROFIBUS interfaces on automation components (e.g., SIMATIC S7 PLCs, ET 200 distributed I/O, drives, HMI panels).

• Facilitates high-speed data exchange within PROFIBUS DP networks.

• Features an integrated, switchable bus terminating resistor, crucial for the proper electrical termination of the PROFIBUS segment at the beginning and end of the bus line. This resistor can be easily activated or deactivated via a sliding switch.

• The 90-degree (angled) cable outlet is specifically designed for space-saving and ergonomic cable routing in control cabinets or directly on devices.

• Features:

• FastConnect (FC) Technology: This allows for quick and error-free assembly of the PROFIBUS cable without the need for stripping tools. The insulation-displacement terminals ensure reliable contact.

• Integrated Terminating Resistor: Saves installation time and reduces potential wiring errors by incorporating the necessary bus termination directly into the connector, with an easily accessible switch.

• Compact and Angled Design: The 90° cable outlet helps in tight spaces and provides a neat, professional appearance for wiring.

• Robust Housing: Made for industrial environments, ensuring durability and protection against electromagnetic interference (EMI).

• Visible Cable Clamping: Often includes a transparent cover or visual indication to verify correct cable clamping and shield connection.

• Easy Diagnostics: Some versions (though not explicitly indicated by this part number, often implied with professional connectors) might support bus diagnostics functions.

Product Parameters

• Part Number: 6ES7972-0BA12-0XA0

• Type: PROFIBUS DP FastConnect Bus Connector (Angled)

• Cable Outlet Angle: 90 degrees

• Terminating Resistor: Integrated, switchable via sliding switch (ON/OFF).

• Data Transfer Rate: Up to 12 Mbit/s (standard for PROFIBUS DP).

• Connection Technology: FastConnect (Insulation Displacement Technology - IDC) for PROFIBUS FC Bus Cable.

• Number of Terminals: Typically 2 for data lines (A and B) plus shield connection.

• Housing Material: Plastic, typically black/grey.

• Dimensions: Compact, designed for space-saving mounting.

• Operating Temperature: Typically -25 °C to +60 °C (or higher, depending on specific series and standard compliance).

• Degree of Protection: Typically IP20 (when properly installed).

• Certifications: CE, UL, CSA (common for Siemens industrial components).

Product Advantages

• Fast and Easy Installation: FastConnect technology significantly reduces wiring time and complexity, making installation quick and error-free, especially for technicians.

• High Reliability: Robust design and reliable insulation-displacement terminals ensure stable and long-lasting connections, even in demanding industrial environments.

• Integrated Termination: The built-in, switchable terminating resistor simplifies bus configuration and minimizes potential wiring errors associated with external resistors.

• Space-Saving Design: The 90-degree angled cable outlet is ideal for installations with limited space, providing neat and organized wiring.

• Optimized for PROFIBUS DP: Specifically designed for the high-speed requirements of PROFIBUS DP networks, ensuring signal integrity.

• Reduced Troubleshooting: Fewer wiring errors thanks to FastConnect and integrated termination lead to less time spent on commissioning and troubleshooting.

• Siemens Ecosystem Compatibility: Seamless integration with Siemens SIMATIC components.

Precautions

• Cable Compatibility: This connector is specifically designed for Siemens PROFIBUS FastConnect bus cables (e.g., 6XV1830-0EH10). Using other cable types might compromise connection reliability and data integrity.

• Proper Assembly: Despite "FastConnect," precise assembly is still crucial. Ensure the cable is properly stripped (if necessary, according to FC guidelines) and correctly seated in the connector's insulation-displacement terminals. The shield connection must be secure.

• Terminating Resistor Setting:

• The terminating resistor must be set to "ON" only at the first and last device on each PROFIBUS segment.

• For all intermediate devices, the terminating resistor must be set to "OFF".

• Incorrect resistor settings are a very common cause of PROFIBUS communication issues.

• ESD Protection: Always handle the connector and related electronic components with appropriate electrostatic discharge (ESD) precautions.

• Environmental Conditions: Ensure the operating environment (temperature, humidity, vibration) is within the specified limits for the connector.

• Mechanical Stress: Avoid excessive mechanical stress on the cable connection after installation. Secure the cable adequately.

Product Applications

The Siemens 6ES7972-0BA12-0XA0 PROFIBUS connector is widely used in all applications involving PROFIBUS DP communication in industrial automation.

• Factory Automation: Connecting PLCs (e.g., SIMATIC S7-300/400/1500) to distributed I/O systems (e.g., ET 200M, ET 200S, ET 200SP), drives, and field devices on PROFIBUS networks.

• Process Control: In chemical plants, power generation, oil & gas, and water treatment facilities for reliable data exchange between control systems and field instruments.

• Machine Building: Integrating various machine components (sensors, actuators, drives) into a central control system.

• Material Handling and Logistics: Connecting components in conveyor systems, automated warehouses, and sortation systems.

• Building Automation: Interfacing with building management systems that utilize PROFIBUS.

• Any application requiring a robust and efficient PROFIBUS DP connection.

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