6ES7521-7EH00-0AB0

Siemens 6ES7521-7EH00-0AB0 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 6ES7521-7EH00-0AB0

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

1. Email confirmation

You will get an email confirming that we have received your enquiry.

2. Dedicated Account Manager

One of our team will be in touch to confirm your part(s) specification and condition.

3. Your quote

You will receive a comprehensive quote tailored to your specific needs.

The Siemens 6ES7521-7EH00-0AB0 is a high-functioning digital input module designed to be integrated into the SIMATIC S7-1500 system, renowned for its reliability and performance in industrial automation. This module is capable of handling 16 digital inputs with a voltage range of 24 to 125 V UC, making it versatile for various industrial applications. The module features an input delay that can be parameterised, allowing for customisation to meet specific system requirements, and supports diagnostics for efficient troubleshooting.

Engineered for high-frequency applications, the 6ES7521-7EH00-0AB0 ensures rapid signal processing, which is crucial for time-sensitive tasks. Its robust design is suitable for a wide range of operating temperatures, ensuring consistent performance even in demanding environments. The module's compact dimensions allow for efficient use of control cabinet space, while its potential separation between channels enhances signal integrity and system safety.

This digital input module is an excellent choice for those looking to expand their control systems with a reliable and flexible input solution. Its integration into the TIA Portal allows for streamlined configuration and maintenance, further simplifying the management of complex automation tasks. Whether used in manufacturing, processing, or other industrial settings, the Siemens 6ES7521-7EH00-0AB0 is engineered to deliver precise and dependable input monitoring.
Specification Description
Part Number 6ES7521-7EH00-0AB0
Manufacturer Siemens
Product Type Digital Input Module
Input Channels 16
Input Voltage Type AC/DC
Rated Input Voltage (DC) 24 V, 48 V, 125 V
Rated Input Voltage (AC) 24 V, 48 V, 125 V (50 - 60 Hz)
Input Current for Signal "1" Typical 3 mA at 24 V DC
Input Delay for Standard Inputs Parameterizable: 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms with DC, 20 ms fixed with AC
Cable Length Shielded, max. 1,000 m; Unshielded, max. 600 m
Connectable Encoders 2-wire sensor
Diagnostics Function Yes
Alarms Diagnostic alarm, Hardware interrupt
Diagnostics Indication LED RUN LED (Green), ERROR LED (Red), Channel status display (Green), Module diagnostics (Red)
Potential Separation Between the channels, in groups of 1, and between the channels and backplane bus
Permissible Potential Difference Between different circuits: 146 V DC/132 V AC
Isolation Tested with 2,000 V DC
Ambient Temperature Operation Horizontal installation: 0 °C to 60 °C, Vertical installation: 0 °C to 40 °C
Dimensions (W x H x D) 35 mm x 147 mm x 129 mm
Weight Approx. 240 g

What type of input module is the Siemens Digital Input Module?

The Siemens Digital Input Module is a high-feature module that supports 16 digital inputs with a voltage range of 24 to 125 V UC, suitable for a variety of industrial applications.

Can the input delay be parameterised on this digital input module?

Yes, the input delay on this digital input module is parameterisable, offering flexibility with settings ranging from 0.05 to 20 ms for DC and a fixed 20 ms for AC.

Is the Siemens Digital Input Module suitable for safety functions?

No, this particular digital input module is not suitable for safety functions.

What is the maximum cable length that can be used with this digital input module?

The maximum cable length for a shielded connection is 1000 meters, and for an unshielded connection, it is 600 meters.

Does the Siemens Digital Input Module support diagnostics functions?

Yes, the module supports comprehensive diagnostics functions, including hardware interrupts and diagnostic alarms.

What kind of potential separation does the module offer?

The module provides potential separation between the channels and also between the channels and the backplane bus, enhancing the reliability and integrity of the signals.

What are the ambient operating temperature limits for this module?

The ambient operating temperature for horizontal installation ranges from 0 °C to 60 °C, and for vertical installation, it ranges from 0 °C to 40 °C.

How does the module indicate its status and diagnostics?

The module uses LED indicators for RUN and ERROR signals, as well as for channel and module diagnostics, providing clear and immediate visual feedback on its status.

What is the width of the Siemens Digital Input Module?

The module has a width of 35 mm, making it compact and suitable for installation in control cabinets with limited space.

Can I connect a 2-wire sensor to this digital input module?

Yes, the module is capable of connecting to 2-wire sensors, with a permissible quiescent current of up to 1.5 mA.

  • Monitoring and controlling industrial automation processes
  • Input interfacing for sensors and switches in manufacturing systems
  • Integration into safety systems for machinery and plant monitoring
  • Use in distributed control systems for real-time data collection
  • Application in signal acquisition for process control in chemical plants
  • Implementation in building automation for lighting and climate control
  • Utilisation in automotive production lines for precision operations
  • Deployment in packaging machinery for input status tracking
  • Involvement in material handling systems for conveyor control
  • Incorporation in renewable energy systems for status monitoring of equipment

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We accept Bank transfers and the following methods of payment:

All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars steve

Got hold of Sime for a Carrier card for…


Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime

1 month ago

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

2 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

3 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

3 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

3 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

4 months ago

Factory worker carrying automation parts box.

Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.

Discover how we do our part to keep your production lines moving.

FAQs

View all FAQs

We're here when you need us