Siemens SIMATIC DP PROFIBUS Bus Connector 6ES7972-0BA52-0XA0

Description

The Siemens SIMATIC DP PROFIBUS bus connector (6ES7972-0BA52-0XA0) facilitates the physical connection of PROFIBUS DP nodes to the RS485 communication cable. Designed with a 90-degree cable outlet, this connector fits comfortably into compact control cabinets where space around PLC ports and remote I/O modules is limited. It includes an integrated switchable terminating resistor to properly terminate the transmission line and prevent signal reflections across the network.

Main Features

• 90-Degree Cable Angle: Angled cable outlet design optimizes space management inside control panels and prevents cable strain.
• Integrated Terminating Resistor: Features an external slide switch to easily activate or deactivate line termination at segment ends.
• FastConnect Connection: Screw-type terminal connection blocks simplify field assembly without requiring specialized soldering tools.
• High Data Transfer Rates: Fully supports PROFIBUS RS485 baud rates from 9.6 kbit/s up to 12 Mbit/s.

Benefits

• Simplified Field Wiring: Enables quick, error-free attachment of 2-core shielded PROFIBUS cables.
• Enhanced Network Stability: Switchable terminating resistor eliminates signal reflection, ensuring stable data communication across the bus.
• Space-Saving Design: The compact 90-degree housing fits easily into tight mounting spaces in PLCs, HMIs, and drive enclosures.
• High Noise Immunity: Shielded housing protects data lines against high electromagnetic interference common in factory environments.

Applications

Widely used in industrial automation, process control networks, factory floors, material handling systems, and water treatment facilities to connect PLCs, drives, HMIs, and field sensors over PROFIBUS DP networks.

Key Features

• RS485 PROFIBUS DP bus connector with 90-degree cable outlet.
• Sub-D 9-pin male connector interface.
• Integrated switchable terminating resistor with external slide switch.
• Supports high-speed baud rates up to 12 Mbit/s.
• Screw terminal connections for incoming and outgoing bus cables.
• Sturdy housing designed for harsh industrial environments.
• Strain relief mechanism for secure cable positioning.
• Compatible with standard SIMATIC S7 PLCs, ET 200 distributed I/O, and PG/OP interfaces.

Technical Specification Table

Frequently Asked Questions (FAQ)

Q1: What is the main purpose of the Siemens 6ES7972-0BA52-0XA0 connector?

A: It connects field devices, PLCs, and distributed I/O units to a PROFIBUS DP network via standard RS485 cable.

Q2: Does this connector have an integrated terminating resistor?

A: Yes, it features an integrated terminating resistor that can be activated or deactivated using an external slide switch.

Q3: When should the terminating resistor switch be set to ‘ON’?

A: The switch must be set to ‘ON’ only at the first and last physical nodes of a PROFIBUS segment to prevent signal reflections.

Q4: What is the cable exit angle for this module?

A: This model features a 90-degree cable outlet, making it suitable for tight panel spaces.

Q5: Does this version include a Programming Device (PG) socket?

A: No, the 6ES7972-0BA52-0XA0 model does not include a PG socket. (Models with PG sockets end in -0BB52).

Q6: What maximum data speed does this connector support?

A: It supports full PROFIBUS DP communication speeds up to 12 Mbit/s.