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6ES7521-1FH00-0AA0

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Siemens SM 521 16-channel 230 V AC digital input module.
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Technical specifications for 6ES7521-1FH00-0AA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7521-1FH00-0AA0
  • Product Family:
    Siemens Simatic S7-1500
  • Product Type:
    Digital Input Module
  • Stock:
    1
  • Digital Inputs:
    16
  • Input Voltage:
    230 V AC
  • Channel Grouping:
    four groups of 4 channels
  • Input Delay:
    20 ms
  • Input Type:
    Type 1 (IEC 61131)
  • Front Connector:
    Ordered separately
  • Weight:
    0.754 lbs (0.342 kg)
  • Estimated shipping dimensions:
    15.10 × 15.20 × 4.70 cm
  • Tariff Code:
    8538900000
  • 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 Specifications Input Design Signal Handling Installation

Features:

  • 16 digital inputs for 230 V AC signals
  • Four groups of four channels; input delay 20 ms
  • Type 1 (IEC 61131); front connector ordered separately

Siemens 6ES7521-1FH00-0AA0 is the SIMATIC S7-1500 SM 521 DI 16x230 V AC BA ordering configuration.

The documented configuration combines 16 AC inputs, four channel groups, and a 20 ms input delay.


Siemens 6ES7521-1FH00-0AA0 Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the stock item description. All prices are shown in USD.
6ES7521-1FH00-0AA0 Technical Specifications

Technical Specifications

  • Digital Inputs16 digital inputs
  • Input Voltage230 V AC
  • Channel Groupingfour groups of 4 channels
  • Input Delay20 ms
  • Input TypeType 1 (IEC 61131)
  • Front ConnectorFront connector ordered separately
  • 16 digital inputs
  • 230 V AC
  • four groups of 4 channels
  • Input delay: 20 ms
  • Type 1 (IEC 61131)
  • Use the documented input configuration in the TIA Portal project
  • Front connector ordered separately
  • Confirm signal voltage and channel grouping before wiring
  • Confirm lifecycle and availability during quotation
Description

Siemens 6ES7521-1FH00-0AA0 is a SIMATIC S7-1500 SM 521 digital input module with 16 inputs for 230 V AC signals, arranged in four groups of four channels.

The module provides a 20 ms input delay and Type 1 input characteristics according to IEC 61131. It is intended for monitoring compatible AC switching and status signals in industrial control systems.

The front connector must be ordered separately. Confirm the connector, wiring, voltage and project configuration before installation or replacement.

Alternative Names
6ES7521-1FH00-0AA0 6ES7 521 1FH00 0AA0 6ES75211FH000AA0 Siemens 6ES7521-1FH00-0AA0 SIMATIC S7-1500 SM 521 DI 16x230 V AC BA
Technical notes
Siemens 6ES7521-1FH00-0AA0 is an SM 521 DI 16x230 V AC BA with 16 digital inputs, 230 V AC inputs and 20 ms input delay for SIMATIC S7-1500 projects.
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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.
What are the main specifications of Siemens 6ES7521-1FH00-0AA0?
16 digital inputs, 230 V AC, four groups of 4 channels, input delay 20 ms, Type 1 (IEC 61131).
Is Siemens 6ES7521-1FH00-0AA0 compatible with my SIMATIC S7-1500 system?
It is a SIMATIC S7-1500 SM 521 module. Confirm the CPU hardware configuration, front connector, signal voltage, channel grouping, and TIA Portal project before installation.
What is Siemens 6ES7521-1FH00-0AA0 used for?
It is used to acquire the documented digital input signals in SIMATIC S7-1500 automation systems.
Is Siemens 6ES7521-1FH00-0AA0 currently available?
Siemens lists the product as PM300: Active Product. Apter Power confirms current availability during quotation.
Does Siemens 6ES7521-1FH00-0AA0 have an official successor?
The reviewed Siemens source does not identify a successor for this ordering number. Confirm lifecycle and system requirements during quotation.
Is the Siemens 6ES7521-1FH00-0AA0 manual available with a quotation?
Technical documentation related to the ordering number can be requested with the quotation. Available internal resources are listed in the Manuals tab.
How can I request price and availability for Siemens 6ES7521-1FH00-0AA0?
Send the exact ordering number, required quantity, delivery destination, and target system details to info@apterpower.com for quotation and availability confirmation.

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