Product information

The SIEMENS 6ES7155-6BU00-0CN0 is part of the ET 200SP system, providing PROFIBUS DP communication via RS485. It enables connection of distributed I/O modules with reliable data exchange, supports modular expansion, and ensures stable operation with integrated system and station functions.

Technical Data Summary

Model: SIEMENS 6ES7155-6BU00-0CN0

Function: Interfaces ET 200SP distributed I/O system with PROFIBUS DP networks

Communication: Uses RS485 bus interface for stable data transmission

Power Supply: Operates on 24 V DC (SELV/PELV) for safe industrial use

Capacity: Supports up to 244 bytes of I/O data with large module expansion capability

Expansion & Features: Enables multi hot swap, station diagnostics, and integrates with server module for bus termination and system status handling

FAQ

Q1: What is SIEMENS 6ES7155-6BU00-0CN0 used for?
A1: It is used to connect the ET 200SP distributed I/O system to a PROFIBUS DP network for industrial communication.

Q2: What communication interface does this module use?
A2: It uses an RS485 interface for PROFIBUS DP communication.

Q3: What is the power supply requirement?
A3: The module operates on a 24 V DC power supply (SELV/PELV compliant).

Q4: What is the maximum system capacity supported?
A4: It supports up to 32 I/O modules and 16 ET 200AL modules with a maximum of 244 bytes of I/O data.

Q5: Does the module include additional system functions?
A5: Yes, it works with a server module that provides bus termination, station diagnostics, and identification data (I&M 0–3).