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                            • SIEMENS 6ES7972-0BA12-0XA0 PROFIBUS Connector

                              Product Overview

                              SIEMENS 6ES7972-0BA12-0XA0 is a SIMATIC DP PROFIBUS Bus Connector (RS485 Connector) used for connecting PROFIBUS DP devices to the PROFIBUS network cable. It is widely used in Siemens S7 PLC systems, ET 200 distributed I/O systems, HMIs, drives, and other PROFIBUS communication devices.

                              This model features a 90° cable outlet, screw connection, integrated terminating resistor with isolation function, and does not include a programming port (PG socket).

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                              Specifications

                              • Brand: SIEMENS
                              • Series: SIMATIC DP
                              • Model: 6ES7972-0BA12-0XA0
                              • Product Type: PROFIBUS Connector / Bus Connector
                              • Communication Interface: RS485 PROFIBUS DP
                              • Connector Type: 9-pin Sub-D connector
                              • Cable Connection: Screw terminal
                              • Cable Outlet Direction: 90°
                              • Transmission Rate: 9.6 kbit/s … 12 Mbit/s
                              • Terminating Resistor: Integrated, switchable
                              • Programming Port (PG Socket): No
                              • Number of Cable Connections: 2
                              • Protection Rating: IP20
                              • Operating Temperature: -25…+60 °C
                              • Dimensions: Approx. 15.8 × 64 × 35.6 mm
                              • Weight: Approx. 36 g
                              • Mounting: PROFIBUS device interface connection

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                              Advantages & Features

                              • Original Siemens SIMATIC DP communication accessory
                              • Supports high-speed PROFIBUS DP communication up to 12 Mbps
                              • Integrated termination resistor simplifies network installation
                              • 90° cable outlet saves cabinet wiring space
                              • Reliable RS485 signal connection
                              • Screw terminal design for secure field wiring
                              • Suitable for industrial environments
                              • Easy replacement and maintenance

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                              Applications

                              • Siemens S7-300 / S7-400 PLC systems
                              • ET 200 distributed I/O stations
                              • PROFIBUS DP networks
                              • SIMATIC HMI communication
                              • Variable frequency drives (VFD)
                              • Industrial automation control cabinets
                              • Process automation systems
                              • Factory communication networks

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                              Precautions

                              • Confirm PROFIBUS DP compatibility before installation
                              • Ensure correct A/B signal wiring
                              • Enable terminating resistor only at the two ends of the PROFIBUS network
                              • Check cable shielding and grounding requirements
                              • Do not connect or disconnect the connector while powered
                              • Verify communication settings after replacement

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