SIEMENS 6ES7421-1BL00-0AA0 New and Original High quality

6ES7421-1BL00-0AA0

The 6ES7421-1BL00-0AA0 model product is a SIMATIC S7-400 series digital input module (DI module) designed specifically for industrial automation scenarios. It supports 32 channel digital signal acquisition and can process 24V DC standard input signals. It is suitable for connecting various sensors, switches, or proximity switches. Its core features include optoelectronic isolation design, effectively suppressing on-site electrical noise interference, and ensuring signal transmission stability; The compact modular structure is compatible with the S7-400 series PLC rack and supports hot swappable operations for quick maintenance and expansion. This module adopts a front connector wiring method to simplify the on-site wiring process, and is equipped with channel level status indicator lights, which can monitor the input signal status in real time and diagnose faults such as wire breakage and short circuit. The product meets the IP20 protection level and is suitable for installation inside control cabinets. The working temperature range covers 0 ° C to 60 ° C, and the storage temperature range reaches -40 ° C to 70 ° C. It has passed international certifications such as CE and UL, ensuring stable operation in complex industrial environments. Its high channel density and anti-interference ability make it widely used in manufacturing, process control, building automation and other fields, meeting the strict requirements for digital signal acquisition accuracy and reliability in scenarios.

Technical specifcations for 6ES7421-1BL00-0AA0

Basic information

Product type: Digital Input Module

Series: SIMATIC S7-400

Module model: 6ES7421-1BL00-0AA0

2. Electrical parameters

Input points: 32 points (can simultaneously collect 32 digital signals)

Input voltage: 24V DC (direct current)

Input current:

Maximum allowable closed-circuit current (typical value) when signal "0"

When the signal is "1", the typical operating current is 7mA

Input delay: the signal conversion time from "0" to "1" or "1" to "0", specific parameters need to refer to the detailed data table (such as minimum/maximum delay time)

Backplane bus power supply: DC 5V power supply from the backplane bus, maximum current consumption 20mA

Power loss: typical value of 6.5W

Electrical isolation: Potential isolation is achieved between channels and between channels and the backplane bus, with an isolation test voltage of 500V AC

3. Mechanical parameters

Installation method: Supports DIN rail installation, compatible with S7-400 series PLC rack

Module size: approximately 40mm (width) x 125mm (height) x 120mm (depth)

Weight: Approximately 0.446kg (subject to actual product)

4. Environmental conditions

Working temperature: 0 ° C to 60 ° C

Storage temperature: -40 ° C to 70 ° C

Relative humidity: 5% to 95% (no condensation)

5. Functional characteristics

Diagnostic function: Supports channel level diagnosis and can display input status (such as signal "0"/"1"), disconnection or short circuit faults through LED indicator lights

Connection method: adopts front connector wiring method for easy on-site wiring and maintenance

Signal type: Can be connected to sensors, switches, or proximity switches that comply with the IEC 61131 standard

Indicator light: equipped with LED status indicator light, providing real-time feedback on module operation status

6. Certification and Standards

Safety certification: CE certification, UL certification

Compliance: Compliant with RoHS directive requirements, ensuring environmental compliance

7. Other characteristics

Channel density: high-density design, saving control cabinet space

Anti interference capability: equipped with electromagnetic compatibility design, suitable for complex industrial environments

Compatibility: Seamless integration with S7-400 series PLC and other Siemens automation products

Our Services:

1、All our products are new and orginal, and of good quality

2、Our prices are very competitive.

3、 We have a large quantity in stock, so we could help the customers to get the components which are dificult to get.

4、All inquiries will be valued and will reply in 24.

Packing & Delivery:

1、100% brand New and Original Factory Seal!

2、Warranty:1 year

3、Package: Original packing with cartons.

4、Delivery time: Shipped in 3-7 days after payment

5、All the goods will be tested before shipment

More Products In Stock: