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Flexible Interface for Decentralized Control Solutions
The Siemens 6ES7141-1BF11-0XB0 basic module serves as the foundation for ET 200X distributed I/O stations. This module provides 8 digital inputs and 8 digital outputs in a single compact housing. It accepts 24V DC signals from sensors and drives loads up to 0.5A per channel. The module also includes an integrated PROFIBUS DP interface for communication with higher-level controllers. LED indicators provide local status and diagnostic information for all signal channels. Furthermore, the rugged IP67 housing protects against dust and moisture in harsh environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Basic Module / Distributed I/O Station |
| Product Line | SIMATIC ET 200X |
| Digital Inputs | 8 channels (24V DC) |
| Digital Outputs | 8 channels (24V DC, 0.5A) |
| Input Current | 7 mA per channel |
| Output Type | Transistor (sourcing) |
| Output Protection | Short-circuit and overcurrent protection |
| Communication | Integrated PROFIBUS DP |
| PROFIBUS Baud Rate | Up to 12 Mbps |
| Power Supply | 24V DC (via connector) |
| Power Consumption | 150 mA typical |
| Electrical Isolation | 500V between I/O and bus |
| Status Indicators | 16 LEDs for inputs and outputs |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Protection Class | IP67 |
| Dimensions (W x H x D) | 150 x 80 x 60 mm |
| Weight | 0.55 kg |
| Mounting | Screw-mount or wall-mount |
| Connector Type | 7/8″ power connector and M12 signal connectors |
| Certifications | CE, UL, CSA |
| Product Origin | Germany |
Application and System Integration
Engineers commonly deploy the Siemens 6ES7141-1BF11-0XB0 in machine-mount applications, conveyor systems, and outdoor installations. This module connects directly to S7-300 or S7-400 controllers via PROFIBUS DP. Its IP67 rating allows installation directly on machinery without additional enclosures. The module supports various M12 connectors for quick field wiring. Consequently, plant operators reduce cabinet space and installation costs while maintaining reliable control performance.