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Home Product 6ES5251-1AA11 Siemens SIMATIC S5 Digital Input Module 24VDC 16-Channel PLC Automation
S5 PLC

6ES5251-1AA11 Siemens SIMATIC S5 Digital Input Module 24VDC 16-Channel PLC Automation

SIMATIC S5 Module
6ES5251-1AA11 Module
Siemens Digital Input Module
6ES5251-1AA11
SIMATIC S5 Module, 6ES5251-1AA11 Siemens Digital Input Module: High-performance 24V DC input processing for industrial automation, compatible with SIMATIC S5 systems and PLC control applications. Robust design ensures reliable signal acquisition.
Categories:Automation
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Product Description

The **Siemens Digital Input Module 6ES5251-1AA11** is part of the **SIMATIC S5 Module** series, designed for industrial automation. This **6ES5251-1AA11 Module** features **16 digital inputs**, supporting 24VDC signals with a voltage range of **20-30VDC**, and operates in temperatures from **0°C to 60°C**. It interfaces directly with SIMATIC S5 backplanes and connects up to **8 expansion modules**. Compatible with **AS-I or Profibus communication protocols**, it integrates seamlessly into PLC systems for manufacturing, automotive, and process control industries. Advantages include high noise immunity, reliable performance in harsh environments, and straightforward integration. However, it lacks modern interfaces like Ethernet/IP and requires legacy S5 infrastructure. Battery capacity and screen size are not applicable, while input detection thresholds align with standard 24VDC logic levels. Ideal for retrofitting legacy systems needing robust digital input processing.
Parameter Specification
Module Type SIMATIC S5 Module / Siemens Digital Input Module
Product Code 6ES5251-1AA11 Module
Input Channels 16
Nominal Voltage 24V DC
Input Current 7mA per channel
Isolation Voltage 1500V AC
Power Consumption 1.7W
Response Time <3ms
Connection Method Screw Terminal
Certification UL, CE, cULus
question:Can we apply for low-value declaration for shipments?
answer:Yes, low-value declaration is possible for eligible shipments, subject to destination country regulations.
question:What payment methods do you accept?
answer:We support TT, PayPal, LC, and other mainstream payment methods. Visit our website for details.
question:What is your policy if a refurbished product malfunctions?
answer:Refurbished products under warranty receive free repair or replacement. Contact our support team immediately.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can we apply for low-value declaration for shipments?
answer:Yes, low-value declaration is possible for eligible shipments, subject to destination country regulations.
question:What payment methods do you accept?
answer:We support TT, PayPal, LC, and other mainstream payment methods. Visit our website for details.
question:What is your policy if a refurbished product malfunctions?
answer:Refurbished products under warranty receive free repair or replacement. Contact our support team immediately.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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