Siemens 6ES7326-1BK02-0AB0 SIMATIC S7-300 SM 326 F-DI Module

6ES73261BK020AB0 – High-integrity fail-safe digital input module for SIMATIC S7 F-systems. The SM 326 F-DI supports 24 channels at 24V DC, with diagnostic alarm, and is rated for up to SIL3 (IEC 61508) and PLe (ISO 13849) applications. Includes 40-pole front connector interface.

Technical Specifications

• Model: 6ES7326-1BK02-0AB0 Siemens
• Series: SIMATIC S7-300
• Module Type: SM 326 F-DI Digital Input
• Input Channels: 24 digital inputs
• Input Voltage: 24V DC
• Fail-Safe Compliance:
  • Category 4 (EN 954-1)
  • SIL3 (IEC 61508)
  • PLe (ISO 13849)
• Diagnostics: Group fault with diagnostic alarm
• Connector Type: 1× 40-pole front connector
• Net Weight: 0.490 kg
• Dimensions (W×H×D): 13.1 × 15.4 × 8.9 cm
• Lifecycle Status: Product phase-out since 01.10.2023
• Country of Origin: Germany

Function & Application

Purpose: The SIMATIC SM 326 F-DI module is designed for integration into S7-300 fail-safe automation systems, ensuring reliable detection of digital signals in safety-critical applications.

It complies with international functional safety standards, making it suitable for machines and processes that require stringent safety measures.

Typical Applications:

• Emergency stop and safety door monitoring
• Two-hand control panels
• Safety-related process signal detection
• SIL3/PLe-compliant industrial safety systems

Performance & Features

• 24 Fail-Safe Inputs (24V DC) : Supports broad safety application use.
• SIL3 / PLe Certified : Ensures compliance with global safety regulations.
• Diagnostic Alarms : Enables proactive fault detection and system reliability.
• Compact 40-Pin Interface : Compatible with standard S7-300 front connectors.
• Fully Integrated with F-Systems : Seamless configuration in TIA Portal or STEP 7.

6ES7326-1BK02-0AB0 Compliance & Classification

• RoHS Compliance: Since 25.11.2009.
• WEEE Take-Back Obligation: Yes.
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
• SCIP Number: f9ae971f-9f92-489f-b20b-20efacb15ea5
• Commodity Code: 85389091
• Catalog ID: ST73
• Product Group: 2298
• Group Code: R152
• Product Class: A – Returnable stock item
• EAN: 4025515078234
• UPC: 040892550351

Key Features & Benefits:

✅ 24x 24V DC Fail-Safe Inputs : Ideal for monitoring safety field devices.

✅ Meets SIL3 / PLe Standards : Certified for high-level safety applications.

✅ Built-in Diagnostics : Detects channel-level faults for rapid troubleshooting.

✅ S7-300 Integration : Compatible with standard Siemens F-systems.

✅ Compact and Reliable : Space-saving and industrial-grade module design.

📦 Limited Availability – Secure Your SM 326 F-DI While Stocks Last

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