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Siemens

6ES7521-7EH00-0AB0

£305.28 (ex. VAT)

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6ES7521-7EH00-0AB0

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Marvo Stock ID MV-AOMY
HS Code 85389091
SKU 6ES7521-7EH00-0AB0
Condition Refurbished
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00
EAN 4047623406075

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Specification & Description

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Specification & Description

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

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.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

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.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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