Product Overview

SIMATIC S7 Digital Output SM 326, 10 DO, 24 V DC, 2A, Fail-Safe Digital Output for SIMATIC S7F Systems, with Diagnostic Alarm, 1x 40-pole

This high-reliability fail-safe digital output module is designed for SIMATIC S7F safety systems, providing ten isolated digital outputs with comprehensive diagnostic capabilities. The module ensures safe operation in critical applications through built-in safety functions and diagnostic alarms, supporting safety categories up to Category 4 (EN 954-1)/SIL3 (IEC61508)/PLE (ISO13849).

Key Features

• Output Channels: 10 fail-safe digital outputs
• Operating Voltage: 24 V DC
• Output Current: 2A per channel
• Safety Classification: Up to Category 4 (EN 954-1)/SIL3 (IEC61508)/PLE (ISO13849)
• Diagnostic Alarm: Comprehensive diagnostic capabilities with alarm functions
• Connection: 1x 40-pole connector for secure signal connections
• Fail-Safe Operation: Designed for safety-critical applications
• System Integration: Compatible with SIMATIC S7F safety systems

Technical Specifications

• Article Number: 6ES7326-2BF01-0AB0
• Number of Digital Outputs: 10 channels
• Output Voltage: 24 V DC
• Output Current: 2A per channel
• Connection Type: 40-pole connector
• Safety Category: Category 4 (EN 954-1)/SIL3 (IEC61508)/PLE (ISO13849)
• Diagnostic Functions: Comprehensive diagnostic alarm system
• Net Weight: 0.532 kg
• Packaging Dimensions: 13.20 x 15.50 x 8.90 cm
• Country of Origin: Germany
• EAN: 4025515069317

Safety & Compliance Information

• Safety Standards: EN 954-1 Category 4, IEC 61508 SIL3, ISO 13849 PLE
• Export Control: ECCN: N / AL: N
• RoHS Compliance: Product is not RoHS-compliant
• Product Lifecycle: PM490 - Start of final year of support (discontinued since 01.10.2023)
• WEEE Directive: No take-back obligation
• Product Class: C - Products manufactured to order, cannot be returned

Environmental & Safety Information

• This product contains substances of very high concern (SVHC) as per REACH Article 33:
• Lead - concentration >0.1% w/w
• Lead monoxide (lead oxide) - concentration >0.1% w/w
• 2-benzyl-2-dimethylamino-4'-morpholinobutyrophenone - concentration >0.1% w/w
• These substances are not expected to pose risks when used as intended, including proper disposal.

Fail-Safe Features

• Safe State Operation: Outputs automatically switch to safe state upon fault detection
• Diagnostic Monitoring: Continuous monitoring of output circuits and internal functions
• Fault Detection: Comprehensive fault detection including wire break and short circuit
• Alarm Generation: Diagnostic alarms for system fault notification
• Redundancy Support: Designed for redundant safety system configurations
• Proof Test Support: Built-in functions for periodic proof testing

Applications

• Safety-Critical Systems: Emergency shutdown systems and safety interlock circuits
• Process Safety: Chemical and pharmaceutical process safety applications
• Machine Safety: Safety-related control functions in industrial machinery
• Fire & Gas Systems: Safety output control in fire and gas detection systems
• Emergency Systems: Emergency lighting and alarm system control
• Burner Management: Safety outputs for combustion control systems
• Transportation Safety: Railway and automotive safety applications

Diagnostic Capabilities

• Output Monitoring: Individual output channel monitoring and diagnostics
• Wire Break Detection: Automatic detection of output wire breaks
• Short Circuit Detection: Protection against output short circuits
• Overload Protection: Current monitoring and overload protection
• System Diagnostics: Integration with SIMATIC S7F diagnostic systems
• Alarm Functions: Configurable diagnostic alarms and notifications

Installation & Configuration

• Safety Programming: Requires SIMATIC Safety programming tools
• System Integration: Full integration with SIMATIC S7F safety systems
• Configuration: Safety-oriented configuration through STEP 7 Safety
• Proof Testing: Integrated proof test functions for periodic validation
• Documentation: Comprehensive safety documentation required
• Certification: Suitable for certified safety applications

Availability Notice

• Product Status: Discontinued - Available as spare part only
• Replacement: No direct replacement available
• Support: Final year of support (PM490 lifecycle phase)
• Sourcing: Limited availability through authorized distributors
• Alternative Solutions: Contact Siemens for current safety module alternatives

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Technical Datasheet

Product Information