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High-Density Digital Input Solution for Distributed I/O
The Siemens 6ES7131-1EH00-0XB0 electronic block provides 16 digital input channels for the ET 200S distributed I/O system. This module accepts 24V DC signals from pushbuttons, limit switches, and proximity sensors in industrial automation networks. Each channel features integrated electrical isolation to protect the system from voltage transients. The module includes LED indicators for all inputs, enabling rapid visual diagnostics during maintenance checks. It also supports the PROFIBUS DP communication protocol for seamless integration into Siemens control architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Electronic Block / Digital Input Module |
| Product Line | SIMATIC ET 200S |
| Input Channels | 16 digital inputs (24V DC) |
| Input Type | Sourcing (PNP) |
| Input Voltage | 24V DC (range: 20.4-28.8V DC) |
| Input Current | 7 mA per channel |
| Input Delay | 0.1 ms to 20 ms (configurable) |
| Electrical Isolation | 500V between channels and backplane |
| Status Indicators | 16 green LEDs |
| Power Supply | Via backplane bus |
| Power Consumption | 100 mA (from backplane) |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Dimensions (W x H x D) | 65 x 100 x 52 mm |
| Weight | 0.15 kg |
| Mounting | DIN-rail |
| Protection Class | IP20 |
| Certifications | CE, UL, CSA |
| Product Origin | Germany |
Application and System Integration
Engineers commonly use the Siemens 6ES7131-1EH00-0XB0 in conveyor systems, packaging machinery, and assembly lines. This module integrates seamlessly with ET 200S stations and SIMATIC S7 controllers through PROFIBUS DP. It provides reliable signal acquisition from field devices in demanding industrial environments. The module supports hot-swapping for quick replacement without powering down the system. Consequently, plant operators benefit from reduced downtime and simplified maintenance procedures.