Siemens 6ES7326-1BK01-0AB0 Digital Input Module

The Siemens 6ES7326-1BK01-0AB0 is a high-density, safety-rated digital input module developed for the SIMATIC S7-300 PLC platform. As a core component of the S7 F-system architecture, this module provides 24 discrete input channels designed to interface with safety sensors, emergency stop buttons, and light curtains. By utilizing specialized internal hardware redundancy, the module effectively monitors signal states to ensure the highest levels of operational integrity. Consequently, it serves as a foundational element for industrial facilities that must comply with strict international safety protocols.

Diagnostic Intelligence and System Monitoring

• Channel-Specific Diagnostics: The module monitors each of the 24 inputs for wire breaks and short circuits, providing detailed fault reporting to the central CPU.
• Configurable Input Filters: Built-in software filters allow for the suppression of signal chatter and interference, ensuring only valid safety transitions trigger a response.
• Galvanic Isolation: High-quality isolation between the input channels and the backplane bus protects the controller from electrical surges and external noise.
• Status Visualization: Integrated front-panel LEDs offer immediate visual feedback for channel status, module errors, and safety-mode activation.
• Interrupt Capability: The module can trigger hardware interrupts to ensure the CPU processes critical safety state changes with minimal latency.

Product Technical Specifications