6ES7326-2BF41-0AB0 SIEMENS SIMATIC S7 Series Input/Output Module

The Siemens 6ES7326-2BF41-0AB0 is a fail-safe digital output module for the SIMATIC S7-300 system, featuring 8 digital outputs at 24 VDC / 2A per channel. Designed for safety-critical applications, it complies with SIL 3 (IEC 61508), Category 4 (EN 954-1), and PLe (ISO 13849) . With built-in short-circuit protection, comprehensive diagnostics, and support for both centralized and distributed (ET 200M) configurations, this module delivers reliable and safe control of solenoid valves, contactors, and indicators in the most demanding industrial environments.

  • Item No :

    6ES7326-2BF41-0AB0
  • Order(MOQ) :

    1pc
  • Payment :

    T/T, Western Union
  • Product Origin :

    Germany
  • Lead Time :

    3-5days
  • Weight :

    0.6kg
  • Product Detail

     
     
    Attribute Specification
    Product Type SM 326 F-DO, Fail-safe Digital Output Module
    Order Number 6ES7326-2BF41-0AB0
    Series SIMATIC S7-300
    Number of Outputs 8 (fail-safe digital outputs)
    Output Type P-M switching

    Electrical Specifications

     
     
    Parameter Value
    Rated Load Voltage 24 VDC (1L+, 2L+, 3L+)
    Output Current per Channel 2 A (rated value)
    Output Current Range (0–40°C) 7 mA to 2 A (horizontal); 1 A (vertical)
    Lamp Load Capacity 5 W (max.)
    Residual Current (Signal "0") ≤ 0.5 mA
    Inductive Shutdown Voltage Limitation L+ (-33 V)

    Current Consumption & Power Loss

     
     
    Parameter Value
    from Load Voltage 1L+ 75 mA (max.)
    from Load Voltage 2L+ (no load) 100 mA (max.)
    from Load Voltage 3L+ (no load) 100 mA (max.)
    from Backplane Bus 5 VDC 100 mA (max.)
    Power Loss (typ.) 12 W

    Switching Performance

     
     
    Load Type Max. Switching Frequency
    Resistive Load 30 Hz
    Inductive Load 2 Hz
    Lamp Load 10 Hz

    Group Current Ratings

     
     
    Installation Orientation Temperature Max. Total Current per Group
    Horizontal Up to 40°C 7.5 A
    Horizontal Up to 60°C 5 A
    Vertical Up to 40°C 5 A

    Diagnostics & Protection

     
     
    Feature Availability
    Short-circuit Protection Yes (electronic)
    Diagnostic Alarms Yes
    Status LEDs Yes
    Safety Integrity Level SIL 3 (IEC 61508), Category 4 (EN 954-1), PLe (ISO 13849)

    Mechanical Specifications

     
     
    Parameter Value
    Required Front Connector 40-pin
    Width 80 mm
    Height 125 mm
    Depth 120 mm
    Weight Approx. 0.45 kg

    Cable Length

     
     
    Cable Type Max. Length
    Shielded 200 m (for SIL 3, Cat. 4 compliance)

    Recommended Alternative Models

     
     
    Model Number Description Key Differences
    6ES7326-2BF10-0AB0 SM 326 F-DO, 10 x 24VDC/2A 10 outputs (vs. 8), lower power loss (6W vs. 12W), 25 Hz resistive switching, max. group current 10A 
    6ES7322-1FH00-0AA0 SM 322, 16 DO, 120/230V AC, 1A Standard (non-fail-safe), 16 AC outputs, 1A/channel, fuse protection 
    6ES7322-1FF01-0AA0 SM 322, 8 DO, 120/230V AC, 2A Standard (non-fail-safe), 8 AC outputs, 2A/channel, fuse protection 
    6ES7322-8BF00-0AB0 SM 322, 8 DO, 24V DC, 0.5A Standard (non-fail-safe), 8 DC outputs, lower current, diagnostic capability 

     

    Hot Sale Recommendation

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    6ES7321-1BL00-0AA0    6ES7193-4CC20-1AA0
    6ES7331-7NF00-0AB0    6ES7193-4CB20-0AA0

     

    Q1: What is the difference between this module and the 6ES7326-2BF10-0AB0?

    A: The 6ES7326-2BF10-0AB0 offers 10 outputs (vs. 8 on the 2BF41), with a lower typical power loss of 6W (vs. 12W), higher resistive switching frequency (25 Hz vs. 30 Hz on the 2BF41), and higher total group current capacity (10A vs. 7.5A). The 2BF41 features a higher switching frequency for resistive loads .


    Q2: What is the maximum cable length for the module, and why is it limited?

    A: For SIL 3 / Category 4 compliance, the maximum shielded cable length is 200 meters . This limitation ensures the integrity of the fail-safe signal transmission and diagnostic capabilities required for high safety integrity levels.


    Q3: Do I need a special front connector for installation?

    A: Yes, the module requires a 40-pin front connector . This connector provides the necessary interface for all 8 digital output channels along with the required power supply connections (1L+, 2L+, 3L+).

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