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Technical specifications for BWU3274
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Manufacturer:BIHL+WIEDEMANN
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Product Category:General Automation
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Spare Part Number:BWU3274
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Tariff Code:8537101190
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Counliy of origin:Austria
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Fieldbus:PROFINET
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AS-i masters:2
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AS-i power supplies:1 for two AS-i networks
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Safe local inputs:3 x 2
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Release circuits:6
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Safety networking:Safe Link
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Protection:IP20
Information
Overview
Manuals
Common Applications
Product Precautions
Bihl+Wiedemann BWU3274 is asi-3 profinet gateway with integrated safety monitor. It links two AS-Interface networks to PROFINET and integrates configurable safe input monitoring and release circuits.
- Controls two AS-i networks
- Connects the installation to PROFINET
- Provides three dual-channel safe inputs
- Offers six configurable release circuits
BWU3274 operates with two AS-i networks, PROFINET controller, ASIMON360 safety configuration, approved safe sensors and actuators.
Engineered applications include AS-i safety gateway, Dual-network machine safety, PROFINET safety integration, Gateway and monitor renewal.
Important Notice: Export the ASIMON360 configuration, record AS-i addresses and PROFINET identity, then repeat all release-circuit safety tests.
Apter Power BWU3274 Manuals and Guides
Apter Power BWU3274 Product and System Technical Reference PDFApter Power BWU3274 Installation and Commissioning Workbook PDFThe first document presents model-specific engineering data. The second provides a separate installation, connection, commissioning and acceptance workflow.
AS-i safety gateway
Concentrates two AS-i segments into one gateway.
Dual-network machine safety
Transfers process data to a PROFINET controller.
PROFINET safety integration
Evaluates local safe inputs and release logic.
Gateway and monitor renewal
Restores the validated gateway and monitor configuration.
Read the applicable Bihl+Wiedemann instructions before work. Verify BWU3274 and the installed Bihl+Wiedemann AS-Interface safety configuration.
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Verify the full BWU3274 marking and its assigned Bihl+Wiedemann AS-Interface safety position before work.
2
Place the connected machine or process in the approved maintenance state.
3
Isolate the applicable supply and as-i process/safety data mapped to profinet with safe release outputs field energy before disconnecting conductors.
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Record connector, conductor, address and software identities before removal.
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Use ESD controls and protect keyed interfaces, exposed contacts and electronic assemblies.
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Confirm the installed two AS-i networks and PROFINET controller against the approved project.
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Restore power in a controlled sequence and review device, network and host diagnostics.
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Prove the intended as-i safety gateway function and retain the final test result.
Technical notes
Export the ASIMON360 configuration, record AS-i addresses and PROFINET identity, then repeat all release-circuit safety tests.
FAQ View All FAQ
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Which installed system position is intended for BWU3274?Install BWU3274 only in the documented Bihl+Wiedemann AS-Interface safety position and verify the complete catalog marking against the approved hardware list.
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What signal or controlled function does BWU3274 handle?Its documented duty is as-i process/safety data mapped to profinet with safe release outputs; the official record lists as-i masters as 2.
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Which companion hardware must be matched to BWU3274?Match BWU3274 with two AS-i networks and PROFINET controller, including the documented carrier, cable and project identity.
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Which electrical value must be verified before wiring BWU3274?Verify safe local inputs: 3 x 2. Do not transfer limits from another catalog number.
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How should the configuration be preserved when replacing BWU3274?Record the as-found position, conductors, addressing and software revision, then restore only the approved Bihl+Wiedemann AS-Interface safety configuration.
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Which isolation and handling checks apply to BWU3274?Isolate the documented supply and field energy, use ESD controls and protect the keyed connectors before handling BWU3274.
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How should an engineer commission BWU3274?Power up in a controlled sequence, review device and host diagnostics, then prove the intended as-i safety gateway function.
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Can BWU3274 replace a visually similar module without further checks?No automatic substitution is assumed; compare the full catalog number, interfaces, fieldbus and approved system revision.
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