B&R X67DI1371.L12 X67 Series High-Density Digital Input Module

Product Overview

The X67DI1371.L12 (X67DI1371L12) stands as a high-performance solution within the B&R X67 system, engineered specifically for decentralized automation architectures where space and durability are critical. This high-density module features 16 digital inputs in a compact form factor, utilizing M12 connectors to ensure secure, vibration-resistant signaling. Designed for harsh industrial environments such as automotive assembly lines, food processing, and heavy machinery, it facilitates real-time data acquisition with a precise 1 ms input filter. By offloading I/O processing to the field level, this module significantly reduces wiring complexity and minimizes system downtime through robust short-circuit and reverse polarity protection.

Technical Configuration

The X67DI1371.L12 architecture is built on a "sink" input logic, meaning it switches the ground potential. It operates within a flexible voltage range of 18 to 30 VDC, making it compatible with standard industrial power fluctuations. The hardware is characterized by its high-density integration, packing 16 independent channels into a ruggedized housing that eliminates the need for a control cabinet (IP67 rated). The integration of an intelligent I/O power supply monitoring system ensures that even in the event of a short circuit at 500 mA, the module remains protected via a controlled voltage drop, preventing catastrophic failure of the local bus segment.

Technical Specifications

Technical FAQs

How does the module handle short circuits on the sensor supply?

The module includes integrated protection that limits the summation current to a maximum of 0.5 A. In the event of a short circuit, the voltage drops (max 2 VDC at 500 mA) to protect the internal circuitry and the upstream power supply.

Is the X67DI1371.L12 compatible with standard X67 bus controllers?

Yes, it is fully compatible with the B&R X67 system bus. It integrates seamlessly into the automation studio environment, allowing for rapid configuration and hardware mapping.

What is the benefit of the 1 ms input filter on this module?

The 1 ms filter provides a balance between high-speed signal capture and noise immunity. It effectively suppresses contact bounce and electromagnetic interference (EMI) commonly found in industrial motor-driven environments.

Engineering & Installation Guide

• Connector Torque Management: To maintain the IP67 integrity and ensure long-term connectivity in high-vibration zones, M12 connectors should be tightened to a specified torque of 0.6 Nm. Over-tightening can damage the internal O-rings, while under-tightening leads to intermittent signal loss.

• Thermal Dissipation in High-Density Arrays: While the module is rated for up to 60 deg C, when mounting multiple high-density modules in close proximity, ensure at least 10 mm of clearance to allow for natural convection. This prevents localized heat buildup that could degrade the lifespan of the internal optocouplers.

• Grounding and Shielding: For applications involving high-frequency interference (e.g., near VFDs), use shielded M12 cables. Ensure the cable shield is connected to the functional earth (FE) via the mounting plate or the X67 bus connection to prevent data corruption.