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  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-01-AB-02-02-07-6152430685662-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
  • Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0-Digital Input Module-Used Industrial Parts
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Siemens

Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0

Siemens Simatic S7-1500 Digital Input Module - 6ES7 521-BL10-0AA0

SKU:01-AB-02-02-07-6152430685662

€211,75incl. VAT
€175,00 excl. VAT

Stock: 1
Tested & workingReally in stockWorldwide shipping12-month warranty
Ships from our own warehouse in Veen, the Netherlands
Order before 16:00 CET — shipped the same day
Worldwide shipping with track & trace
Questions? Contact our team
GearProduct description & specifications
BrandSiemens
ModelSIMATIC S7-1500 
TypeDigital Input Module (DI 32 x 24VDC BA) 
Part number6ES7521-1BL10-0AA0
Technical specs
Input Channels32 digital inputs electrically isolated in 2 groups of 16 channels 
Rated Input Voltage24 V DC 
Input DelayFixed input delay (typically 3.2 ms)
Suitable SensorsCompatible with switches and 2-/3-/4-wire proximity switches
Diagnostics / Status DisplayChannel status LEDs (green) and module status LED (green/red)
Front ConnectorRequires 40-pole front connector (push-in terminal type)
Backplane Bus InterfaceHigh-speed S7-1500 / ET 200MP backplane bus integration
Weight300 g
Dimensions25 x 147 x 129 mm
Country of originGermany
HS Code8538.90.91 

Delivery & Returns

1. Normal delivery the next business day (The Netherlands). Other countries may take longer, sometimes you have to wait a little longer to get your order, but it's always worth it!
2. Returns, email or call for your RMA number, without RMA number we can not provide a Refund.

Why buy from us

How we stand out:

1. We are a 100% Dutch company with a warehouse in The Netherlands.
2. In stock means really IN STOCK.
3. All Used Industrial Parts are inspected before listing for sale.
4. All Used Industrial Parts come with a DOA warranty and a 12 months warranty.
5. The Biggest inventory! We buy (and sell) "Surplus New", "Used" and "Obsolete" Automation Controls, and Industrial Process Equipment daily, so we are proud of our huge inventory!

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from 32 reviews
Outstanding Service, Fast Delivery and Exceptional After-Sales Support

Excellent service from start to finish. Delivery was exceptionally fast, and the pre-purchase support was friendly, knowledgeable and helpful. They took the time to answer my questions and ensure I was purchasing the right product for my vintage equipment.

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Dear All,

I’m Nalaka from Sri Lanka, and I want to express my sincere gratitude for the incredible support we received during an emergency repair of our convection baking oven blower.

Despite the urgency and the weekend timing, your team went above and beyond by dispatching the necessary parts from the Netherlands on Friday evening — even before payment was processed. Thanks to your swift action, we received the parts by Tuesday and were able to complete the repair that same evening.

This level of service is truly exceptional, and I’m deeply appreciative of your professionalism, trust, and commitment. You helped us avoid significant downtime, and for that, we are genuinely thankful.

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Hello, yes, thank you for the fast and trouble-free delivery to the Czech Republic. Best regards Jiri

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Tested used & surplus industrial parts — shipped across Europe, often at half the price of new.

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