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- Siemens
- Siemens Simatic S7
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- 6ES7421-7BH01-0AB0
· Product image is representative; revision or series may vary. Contact us to request a specific version.
Warranty Policy
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.
Return Notice
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.
How to order?
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.
Parts 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 6ES7421-7BH01-0AB0
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Product Model6ES7421-7BH01-0AB0
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Product ParametersSM 421 Digital Input Module
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Tariff Code8537101190
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Country of originGERMANY
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Place of shipmentXiamen, China
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Estimated Shipping Size23x22.3x28.8cm
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ManufacturerSiemens
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Weight0.6 kg
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Rated value (DC)24 V
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permissible range, lower limit (DC)20.4 V
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permissible range, upper limit (DC)28.8 V
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from supply voltage L+, max120 mA
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from backplane bus 5 V DC, max.130 mA
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Number of outputs2
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Type of output voltageL+ (-2.5 V)
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Rated value120 mA
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permissible range, upper limit150 mA
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Power loss, typ5 W
Description
DIGITAL INPUT MODULE
SIMATIC S7-400
SM 421
24 VDC
ISOLATED
0.05 MS INPUT DELAY ALARM
DIAGNOSTICS
SIMATIC S7-400
SM 421
24 VDC
ISOLATED
0.05 MS INPUT DELAY ALARM
DIAGNOSTICS
FAQs
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What is this module used for 6ES7421-7BH01-0AB0 ?+It acquires 16 digital signals (ON/OFF) from field devices like switches or proximity sensors for the SIMATIC S7-400 PLC system, suitable for high-speed applications.
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What is the primary function of the 6ES7421-7BH01-0AB0 module?+It is a digital input module (SM 421) used to acquire 16 digital 24V DC signals from field devices (like switches and sensors) and transmit them to the S7-400 CPU.
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How many inputs does this module have and what are their voltage requirements?+The module has 16 digital inputs, each requiring a nominal 24V DC input voltage.
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