Product Overview
The Siemens 6ES7131-0BH00-0XB0 is a digital electronic module from the SIMATIC DP series, designed for ET 200B distributed I/O systems. This spare part provides 16 digital inputs at 24V DC, ensuring reliable signal acquisition in demanding industrial environments. With a rated supply voltage of 24V DC and a maximum current consumption of 500 mA from the sensor supply, the module offers robust performance for PLC and DCS applications.
Technical Specifications
| Parameter |
Value |
| Supply voltage (rated) |
24 V DC (L3+); max 35 V for <0.5 s |
| Permissible range (DC) |
18.5 V – 30.2 V |
| Current consumption (typ.) |
70 mA (logic), 500 mA (sensor, max) |
| Power loss (typ.) |
2.5 W |
| Digital inputs |
16 |
| Input voltage for signal '0' |
-30 to +5 V |
| Input voltage for signal '1' |
13 to 30 V |
| Input current for signal '1' (typ.) |
4 mA (min 2 mA at 24 V) |
| Input delay (0→1) |
2 – 3.5 ms |
| Cable length (unshielded, max) |
100 m |
| PROFIBUS DP transmission rate |
12 Mbit/s |
| Degree of protection |
IP20 (EN 60529) |
| Ambient temperature (horizontal) |
0 °C to +60 °C (40 °C for other) |
| Dimensions (W x H x D) |
160 x 130 x 60 mm |
| Weight approx. |
600 g |
Real-World Applications
The Siemens 6ES7131-0BH00-0XB0 is ideal for upgrading older ET 200B stations in applications such as conveyor monitoring, packaging line control, and material handling. Its 16 digital inputs capture sensor signals reliably from proximity switches, limit switches, and pushbuttons. The PROFIBUS DP interface enables seamless integration into existing SIMATIC networks, minimizing downtime during retrofit.
Installation Guidance
Mount the Siemens 6ES7131-0BH00-0XB0 on a standard DIN rail using the provided screw-type or spring-loaded terminals. The module supports 3- and 4-wire connection to encoders. Ensure the ambient temperature remains within 0–60°C for horizontal mounting. The IP20 rating requires installation in a clean, dry enclosure.
Compatible Systems
This module operates exclusively with PROFIBUS DP networks. It works directly with ET 200B stations and any DP master (e.g., SIMATIC S7-300/400). The bus protocol supports 12 Mbit/s data rates and FREEZE capability for synchronized input capture.
Selection Guide
Before purchasing the Siemens 6ES7131-0BH00-0XB0, verify that your existing terminal block (TB1/DC, TB1-4/DC, TB3/DC, or TB3-4/DC) is compatible. For bulk or custom orders, contact PLC Source PRO (ubest101) for rapid sourcing and expert support.