6ES7326-1BK01-0AB0 Siemens SIMATIC S7-300 F-Digital Input Module

Description

6ES7326-1BK01-0AB0 Siemens SIMATIC S7-300 F-Digital Input Module

Product Dimensions：

Product Description (Detailed Explanation)

The SM 326; F-DI 24 x 24V DC is a safety-related digital input module that processes signals from field sensors such as emergency stop buttons, light curtains, and safety switches. It features 24 input channels that can be configured for single-channel or dual-channel (redundant) evaluation.

Operating under the PROFIsafe profile, this module communicates with a fail-safe CPU (F-CPU) to ensure that any internal or external faults—such as wire breaks, short circuits, or hardware failures—are detected and transitioned to a safe state. It is a core component for systems designed to meet SIL 3 or PLe safety standards.

Product Parameters (Technical Specifications)

Product Advantages (Key Benefits)

• High Channel Density: 24 inputs in an 80mm wide module allow for significant space savings in the control cabinet.

• Flexible Configuration: Supports 1-out-of-1 (1oo1) evaluation for lower SIL requirements or 1-out-of-2 (1oo2) evaluation for maximum safety (SIL 3).

• Advanced Diagnostics: Integrated monitoring for cross-circuits, wire breaks, and external power supply discrepancies, with localized LED error reporting.

• PROFIsafe Integration: Seamlessly integrates into existing Siemens TIA Portal or STEP 7 environments via the PROFIsafe protocol over PROFIBUS or PROFINET.

• Hot Swapping: When used with active bus modules in an ET 200M configuration, the module can be replaced during operation (system-dependent).

Precautions (Important Notes)

• Front Connector Wiring: This module requires a 40-pin front connector. Ensure the wiring is performed according to the safety manual to prevent accidental cross-talk between channels.

• Address Assignment: A unique F-Destination Address must be set via the DIP switches on the side of the module before installation to match the hardware configuration in the software.

• Sensor Supply: If using the internal sensor supply (Vs), ensure the total current does not exceed the module’s rated limits to avoid tripping the internal electronic fuse.

• Firmware Compatibility: Ensure the F-CPU firmware and the safety engineering software version support this specific hardware revision for full diagnostic capability.

Product Applications (Typical Use Cases)

• Emergency Stop Circuits: Centralized monitoring of E-Stop buttons across large manufacturing lines.

• Press Automation: Interfacing with safety light curtains and two-hand control consoles in metal forming applications.

• Robotic Cells: Monitoring safety gate switches and laser scanners to ensure operator safety during robot operation.

• Process Industry: Implementing Emergency Shutdown (ESD) loops in chemical or oil and gas facilities where SIL 3 reliability is mandated.

• Amusement Rides: Providing high-integrity monitoring of seat restraints and track sensors in theme park attractions.

Shipping Port: Xiamen, China

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