Siemens 6ES7972-0BB41-0XA0 Simatic DP Bus Connector

Product Description

The Siemens 6ES7972-0BB41-0XA0 is a PROFIBUS DP bus connector developed for reliable fieldbus communication in SIMATIC automation systems. It supports transmission rates up to 12 Mbit/s and incorporates a built-in PG interface for direct programming and diagnostics.

This connector features an angled cable outlet, making it suitable for installations where space is limited or cable routing requires flexibility. Although this model has been phased out, it remains in use in many legacy PROFIBUS networks. The recommended replacement is 6ES7972-0BB42-0XA0, which offers equivalent functionality with continued availability.

Technical Specifications

Key Characteristics

• Angled cable outlet simplifies wiring in compact control cabinets

• Integrated PG port enables inline programming and troubleshooting without disconnecting the bus

• Built-in terminating resistor with isolation improves network stability

• Compact mechanical design ensures secure and vibration-resistant connection

Application Scenarios

• PROFIBUS DP communication networks in legacy SIMATIC systems

• PLC-to-field device connectivity in distributed automation architectures

• Maintenance setups requiring quick PG access for diagnostics and commissioning

FAQ

Q: Is this connector still available from Siemens?
A: The 6ES7972-0BB41-0XA0 has been discontinued. For new installations or replacements, Siemens recommends 6ES7972-0BB42-0XA0.

Q: What is the advantage of the PG socket?
A: The PG interface allows direct connection of a programming device for configuration and diagnostics without interrupting network communication.

Q: Does this connector support full PROFIBUS speed?
A: Yes, it supports all standard PROFIBUS DP data rates up to 12 Mbit/s, depending on network configuration and cable quality.