Siemens identifies 6ES7521-1FH00-0AA0 as DI 16x230VAC BA digital input module. This page keeps the exact article number and documented 20 ms input delay; type 1 inputs; front connector ordered separately profile visible for procurement review.
Brand:
SIEMENSItem NO.:
6ES7521-1FH00-0AA0Part Number:
6ES7521-1FH00-0AA0Weight:
0.342 kgDimensions:
Package 15.2 × 15.1 × 4.7 cmCertification:
Official Siemens SiePortal record verifiedDescription:
Siemens identifies 6ES7521-1FH00-0AA0 as DI 16x230VAC BA digital input module. Verify the exact article number and official lifecycle before ordering.Siemens identifies 6ES7521-1FH00-0AA0 as DI 16x230VAC BA digital input module. Siemens identifies 6ES7521-1FH00-0AA0 as DI 16x230VAC BA digital input module. This page keeps the exact article number and documented 20 ms input delay; type 1 inputs; front connector ordered separately profile visible for procurement review.
Use the exact manufacturer order number and verify the system constraints before procurement.
Retain every character in 6ES7521-1FH00-0AA0 on the inquiry, quotation and purchase order.
Verify that the project requires DI 16x230VAC BA digital input module.
Plan the installation for 230 V AC digital input profile.
Confirm the documented interface or connection: 16 digital inputs in groups of four.
Check the host hardware, firmware, engineering software and required accessory conditions.
Confirm current availability and any official successor before final procurement.
Selected specialist-brand products requested for regional projects and available on Nordwel.
Verified Nordwel product page for project comparison.
Specialist modelVerified Nordwel product page for project comparison.
Specialist modelVerified Nordwel product page for project comparison.
Specialist modelVerified Nordwel product page for project comparison.
Specialist modelVerified Nordwel product page for project comparison.
Specialist modelVerified Nordwel product page for project comparison.
Specialist modelAnswers below use Siemens official product documentation for this exact order number.
Use the complete article number 6ES7521-1FH00-0AA0 without shortening or changing its suffix.
20 ms input delay; type 1 inputs; front connector ordered separately.
16 digital inputs in groups of four.
230 V AC digital input profile. Confirm the complete installation against the official Siemens record.
The official Siemens product record lists Active Product.
The listed package data are 15.2 × 15.1 × 4.7 cm and 0.342 kg.
No. Verify the complete article number, interface, electrical profile and documented role before replacement.
They were checked against the official Siemens SiePortal record for 6ES7521-1FH00-0AA0.
Software, licensing, controller, interface, shield and power-supply references.
Internal cable references for 40-channel input and output connections to field termination assemblies.
I/O Companion Slot to FTA · 2.5 m
I/O Companion Slot to FTA · 4.5 m
I/O Companion Slot to FTA · 6.5 m
I/O Companion Slot to FTA · 8.5 m
I/O Companion Slot to FTA · 10.5 m
I/O Companion Slot to FTA · 12.5 m
I/O Companion Slot to FTA · 4.5 m
I/O Companion Slot to FTA · 6.5 m
I/O Companion Slot to FTA · 8.5 m
Use the verified electrical, lifecycle and system limits—not generic family assumptions—to decide suitability.
Selected legacy and specialist models for motion, sensing, pneumatic and control-system applications.
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