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6ES7326-2BF41-0AB0

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Siemens 6ES7326-2BF41-0AB0 is an SM 326 fail-safe eight-channel 24 V DC/2 A P/M digital output module for S7-300 and ET 200M.
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Technical specifications for 6ES7326-2BF41-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7326-2BF41-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    SM 326 F-DO Fail-Safe Digital Output Module
  • Stock:
    1
  • Fail-Safe Outputs:
    8
  • Channel Groups:
    2 isolated groups of 4
  • Output Type:
    P/M switching, sourcing and sinking
  • Rated Output:
    24 V DC, 2 A per channel
  • Safety Level:
    SIL 3; Category 4; Performance Level e
  • Front Connector:
    40-pole
  • Process Image:
    5 input bytes and 5 output bytes
  • Maximum Cable Length:
    200 m
  • F-Monitoring Time:
    10–10,000 ms
  • Diagnostics:
    Programmable channel diagnostics and diagnostic interrupt
  • Isolation Test Voltage:
    500 V
  • Backplane Current:
    Maximum 100 mA
  • No-Load Current:
    Maximum 100 mA
  • Typical Power Loss:
    12 W
  • Switching Frequency:
    30 Hz resistive; 2 Hz inductive; 10 Hz lamp
  • Short-Circuit Protection:
    Electronic
  • Weight:
    1.1 lbs (0.501 kg)
  • Estimated shipping dimensions:
    14.9×13.2×8.9cm
  • Tariff Code:
    85389091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Output Logic Fault Handling PROFIsafe Load Wiring

Features:

  • Eight P/M outputs are divided into two isolated safety groups.
  • Channel and group diagnostics identify faults before reintegration.
  • The module reaches SIL 3, Category 4 and Performance Level e.
Each load is controlled by a positive and a negative switching path rather than a single conventional output transistor.

The safety program exchanges five input bytes and five output bytes with the module through PROFIsafe.

Status LEDs, diagnostic interrupts and SAFE mode provide separate indications for channel operation and fault response.

The Siemens 6ES7326-2BF41-0AB0 SM 326 F-DO Fail-Safe Digital Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7326-2BF41-0AB0 SM 326 F-DO Fail-Safe Digital Output Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Dual-path channel operation

  • P Switch: The positive path sources the field-load supply.
  • M Switch: The negative path completes and disconnects the return side.
  • Channel Pair: Both semiconductor paths are evaluated as one fail-safe output.
  • Grouping: Four channels share each electrically isolated potential group.

Passivation and diagnostic response

  • Channel Fault: A detected output-path error passivates the affected safety channel.
  • Group Fault: Supply or common-condition faults are reported at group level.
  • SAFE Mode: The module applies the configured safe output state during a safety response.
  • Reintegration: Acknowledgment follows removal of the cause and the safety-program conditions.

Safety communication assignment

  • Address: The module F-address must match the value stored in the safety project.
  • Input Area: Five bytes carry module status and safety-related feedback.
  • Output Area: Five bytes carry the fail-safe output commands.
  • CPU Support: The selected F-CPU and engineering version must support this module variant.

Field-circuit boundaries

  • Connector: Field conductors terminate on the 40-pole front connector.
  • Cable Length: The channel circuit is designed for cable runs up to 200 m.
  • Relay Pair: Two relay contacts may be arranged in series under the documented potential rule.
  • Cross Circuit: P and M conductors are routed to preserve the required cross-circuit behavior.
Description
Safety-related switching in S7-300 and ET 200M stations is provided by Siemens 6ES7326-2BF41-0AB0, an SM 326 F-DO module with eight 24 V DC outputs. The channels are divided into two electrically isolated groups of four and switch the load through coordinated P and M paths.

Each output of 6ES7326-2BF41-0AB0 can deliver up to 2 A for supported resistive, inductive or lamp loads. The dual switching arrangement lets the module disconnect both sides of a load while internal test functions monitor the safety channel behavior.

Diagnostic processing on 6ES7326-2BF41-0AB0 separates group faults, channel faults and SAFE-mode state. Programmable diagnostics, wire-break monitoring and diagnostic interrupts provide the safety program with information needed before a passivated channel is acknowledged.

PROFIsafe addressing and the five-byte input and output areas integrate 6ES7326-2BF41-0AB0 with the F-CPU. With suitable wiring and configuration, the module supports SIL 3, Category 4 and Performance Level e without an additional safety protector.
Alternative Names
6ES73262BF410AB0 6ES7 326 2BF41 0AB0 6ES7326 2BF41 0AB0 Siemens 6ES7326-2BF41-0AB0 SIMATIC SM326 F-DO S7-300 F-DO 8x24VDC 2A 6ES7326-2BF4I-0AB0 6ES7326-2BF41-OAB0
Technical notes
Siemens 6ES7326-2BF41-0AB0 provides eight fail-safe P/M outputs in two isolated groups for S7-300 and ET 200M safety control.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can an output of Siemens 6ES7326-2BF41-0AB0 remain passivated after the field fault is removed?
Before reintegration, Siemens 6ES7326-2BF41-0AB0 requires the diagnostic cause to be cleared and the configured acknowledgment path in the safety program to be satisfied.
How should a P/M load be wired to Siemens 6ES7326-2BF41-0AB0?
Connect the load between the assigned P and M switching paths of Siemens 6ES7326-2BF41-0AB0 and keep both conductors within the specified potential group.
What can explain a wire-break report from Siemens 6ES7326-2BF41-0AB0 when the actuator looks intact?
For Siemens 6ES7326-2BF41-0AB0, inspect both load conductors, connector terminals, group supply and the diagnostic setting because the safety channel monitors the complete path.
Where must the PROFIsafe address of Siemens 6ES7326-2BF41-0AB0 agree?
The hardware address assigned to Siemens 6ES7326-2BF41-0AB0 must match the safety configuration and the F-CPU project before communication can be validated.
How can test pulses affect a connected load on Siemens 6ES7326-2BF41-0AB0?
Compare the input behavior and capacitance of the actuator with the monitoring and switching parameters of Siemens 6ES7326-2BF41-0AB0 so test pulses are not interpreted as commands.
Can relay loads be connected in series with Siemens 6ES7326-2BF41-0AB0?
Siemens 6ES7326-2BF41-0AB0 supports the documented two-relay series arrangement when both relay circuits use the same potential and the prescribed wiring is followed.

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