Product Overview
The Siemens 6ES7131-4BD01-0AA0 serves as a digital input electronic module for SIMATIC DP systems. This module provides 4 digital input channels with 24 VDC nominal operating voltage. It connects field devices to the PROFIBUS-DP network through ET 200S stations. The unit integrates seamlessly into Siemens SIMATIC distributed I/O architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 6ES7131-4BD01-0AA0 |
| Product Type | Digital Input Electronic Module |
| Number of Inputs | 4 discrete channels |
| Nominal Voltage | 24 VDC |
| Input Voltage Range | 20–28.8 VDC |
| Input Current | 2.5 mA per channel |
| ON Voltage | ≥15 VDC |
| OFF Voltage | ≤5 VDC |
| Input Delay | 3 ms typical |
| Isolation | Optical isolation, 500 VAC |
| Power Dissipation | 1.5 W typical |
| Protection Class | IP20 |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | –40°C to 70°C |
| Humidity Range | 5% to 95% non-condensing |
Physical Dimensions and Mounting
This electronic module measures 81 mm in height, 15 mm in width, and 52 mm in depth. The unit weighs approximately 0.03 kg. It mounts onto the ET 200S terminal module for I/O connectivity. The module features a compact design suitable for space-constrained installations. The front panel includes LED indicators for channel status and fault detection.
Electrical Interface and Field Wiring
The 6ES7131-4BD01-0AA0 connects to the ET 200S terminal module via a dedicated interface. Each input channel accepts dry contact or 3-wire proximity sensor signals. The module includes built-in surge suppression for transient protection. The optical isolation withstands 500 VAC during dielectric testing. Field devices like push buttons, limit switches, and proximity sensors connect through the terminal module.
Performance and Signal Processing
This digital input module scans all 4 channels with a typical input delay of 3 milliseconds. It filters input signals to reject noise and prevent false triggering. The module reports status changes to the PROFIBUS-DP master promptly. It supports both sink and source wiring configurations. Furthermore, the module performs self-diagnostics for operational integrity.
Installation and System Integration
You can insert this module into the ET 200S base station terminal module. Verify the terminal module matches the electronic module type before installation. The PROFIBUS-DP network automatically detects the module during start-up. Always configure the input address using the SIMATIC engineering software. Check the wiring connections before applying power to the station.
Environmental Compliance
This module carries CE marking for industrial use. It also complies with RoHS and WEEE environmental directives. The IP20 protection suits standard control cabinet installations.
Details
| Weight | 0.58 kg |
|---|---|
| Dimensions | 45 × 230 × 140 mm |
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