Description

6ES7972-0BB50-0XA0 – Siemens PROFIBUS DP Bus Connector
6ES7972-0BB50-0XA0 is a Siemens SIMATIC DP series PROFIBUS bus connector with a 90° right-angle outlet, a PG programming port and FastConnect quick-connect technology. It is used for PROFIBUS-DP network connections between PLCs, HMIs, and remote I/Os. It has been discontinued. The replacement model is 6ES7972-0BB52-0XA0.

Core product information
Brand: Siemens
Model: 6ES7972-0BB50-0XA0
Status: Discontinued; Alternative: 6ES7972-0BB52-0XA0
Transmission rate: Up to 12 Mbit/s
Connection method: 90° right-angle (side connection)
Connection technology: IPCD FastConnect insulation piercing, no need to strip wires
Programming port: With PG/OP sockets (facilitates online programming / diagnosis)
Terminal resistor: Built-in 120Ω, sliding switch ON/OFF on the side
Dimensions (width × height × depth): 15.8 × 72.2 × 36.4 mm
Weight: Approximately 60 g
Power supply: 5V DC (bus power supply), maximum 5 mA
Protection level: IP20
Operating temperature: -25°C ~ +60°C

Main features
High-speed and reliable communication: Supports PROFIBUS-DP up to 12 Mbit/s, gold-plated contacts, insulation withstand voltage ≥ 2 kV, strong anti-interference.
90° Right Angle Outlet: Saves control cabinet space, cable turns are natural, avoids excessive bending, and the wiring is neater.
FastConnect Quick Connection: Wiring can be completed by pressing, no need to strip the cable, installation is fast and stable.
Built-in Terminal Resistor: When the first and last nodes of the network are turned ON, and the intermediate nodes are OFF, it can suppress signal reflection and simplify debugging.
With PG Programming Port: Can be directly plugged in a programmer / touch screen, online debugging does not interrupt the bus communication. Typical application
PLC and remote I/O networking (S7-300/400, ET200 series)
Factory automation production lines, robots, machining centers
Process control: Chemicals, water treatment, energy
Building intelligence and logistics sorting