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SIEMENS SIMATIC S7-400 Digital Input Module SM 421, 6ES7421-1BL01-0AA0

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The SIEMENS 6ES7421-1BL01-0AA0 Digital Input SM 421 Control Module is a high-performance component designed for industrial automation systems, offering precise control and reliable data acquisition.

Model Type:SIMATIC S7-400

Module Category:Digital Input

Power Supply Voltage:24V DC

Number of Inputs:32

Temperature Range:-25…+60 °C

Dimensions (WxHxD):23,10 x 30,10 x 3,80 cm

Weight:0.757 kg

Isolation:Optical

Communication Protocol:PROFINET PROFIsafe

    Experience seamless integration with the comprehensive suite of Siemens SIMATIC S7-400 series PLCs, ensuring robust operation and enhanced system reliability.

    Optical isolation between inputs and outputs prevents electrical interference, safeguarding your system from potential disruptions.

    Compact yet powerful, this digital input module is meticulously designed for space-conscious installations without compromising on performance.

    Compatible with a wide range of Siemens fieldbus modules, including DeviceNet, Profibus, LonWorks, and CANopen, facilitating easy connection and configuration.

    Enhanced with an EMI filter for 230V single phase and 460V three-phase power supplies, guaranteeing reliable operation in various industrial environments.

SIEMENS 6ES7421-1BL01-0AA0 digital input SM 421




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    About Us----Greens Automation

    We are a leading supplier in the industrial automation industry, specializing in providing high-quality DCS, PLC, robotic control systems, and large servo system spare parts. With a comprehensive range of products and a commitment to excellence, we empower businesses to achieve smarter, more efficient operations through cutting-edge automation solutions.

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    DCS System Spare Parts: Genuine components for distributed control systems.

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    Power energy: Ensure the stable operation of the DCS system of the power station, and help the smart grid upgrade.
    Petrochemical: Provides explosion-proof spare parts to meet safety requirements in harsh environments.
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    Rail transit: Ensure the reliable operation of signal control system and protect the safety of travel.

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