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- Siemens
- Siemens Simatic S7
- S7-1500
- 6ES7521-1BH00-0AB0
In Stock
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 6ES7521-1BH00-0AB0
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Product Model6ES7521-1BH00-0AB0
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Spare Model6ES7521-1BH00-0AB0
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Product ParametersS7-1500 16-Channel Input Module
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Tariff Code85389091
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Country of originGermany
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size15.00 × 15.10 × 5.00 cm
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ManufacturerSiemens
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Product typeDI 16x24VDC HF
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Digital inputs16 in one group
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Rated input24 V DC
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Supply range19.2–28.8 V DC
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Input characteristicIEC 61131 type 3
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Current consumption20 mA maximum
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Power loss2.6 W typical
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Counter channels2 maximum
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Counting frequency6 kHz maximum
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Counter width32 bit
Description
Siemens 6ES7521-1BH00-0AB0 is a SIMATIC S7-1500 high-feature digital input module with sixteen 24 V DC channels. The inputs use IEC 61131 type 3 characteristics, configurable delays, channel diagnostics and hardware interrupts for responsive machine-state acquisition.
Channels 0 and 1 can operate as 32-bit counters at up to 6 kHz, while the remaining channels continue as standard inputs. A separately ordered S7-1500 front connector and verified TIA Portal configuration are required before installation and commissioning.
Information
Overview
Manuals
Product Applications
Compatibility
Lifecycle & Replacement
Features:
- Sixteen 24 V DC digital inputs
- IEC 61131 type 3 input characteristics
- Two configurable 32-bit counter channels
- Input delays from 0.05 to 20 milliseconds
- Channel diagnostics and hardware interrupts
The module accepts switches and two-, three- or four-wire proximity sensors, provides configurable 0.05–20 ms input delay and allows channels 0 and 1 to operate as 32-bit counters up to 6 kHz.
Order the correct S7-1500 front connector separately and verify input groups, channel parameters and counter allocation before wiring or replacement.
Siemens 6ES7521-1BH00-0AB0 SIMATIC S7-1500 manuals and technical documentation.
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
- Packaging machine sensor and limit-switch monitoring
- Conveyor position feedback in automated production lines
- Automated machine-cell proximity sensor acquisition
- Color-mixing station digital input processing
- High-speed count inputs for production equipment
The module installs centrally in SIMATIC S7-1500 or in ET 200MP through a compatible interface module. It requires a separately ordered 40-pin front connector and engineering support for the installed firmware and configured functions.
Siemens lists the lifecycle status for 6ES7521-1BH00-0AB0 as Active product. Before replacement, confirm the complete order number, installed hardware version, wiring, engineering configuration and current Siemens documentation.
Alternative Names
6ES7521-1BH00-0AB0
SIMATIC DI 16x24VDC HF
DI 16x24VDC HF Automation Module
FAQs
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How many inputs does 6ES7521-1BH00-0AB0 provide?
+It provides sixteen 24 V DC digital inputs in one group. -
Can this module count pulses?
+Yes. Channels 0 and 1 can be configured as 32-bit counters up to 6 kHz. -
Which sensors can be connected?
+Siemens documents switches and two-, three- and four-wire proximity sensors. -
Is the input delay adjustable?
+Yes. The configurable standard-input delay ranges from 0.05 ms to 20 ms. -
Does the front connector come with the module?
+No. Siemens states that the screw-terminal or push-in front connector must be ordered separately. -
Can the module operate in ET 200MP?
+Yes, with a compatible ET 200MP interface module and matching engineering configuration.
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