Siemens 6ES7321-1BL00-0AA0 SIMATIC S7-300 Digital Input Module
The Siemens 6ES7321-1BL00-0AA0 is a high-density digital input module for the SIMATIC S7-300 PLC system. This SM 321 module features 32 digital inputs designed for 24V DC signals, making it an ideal choice for applications requiring a large number of input points in a compact space. It is a fundamental component for monitoring field sensors, switches, and other digital devices in automated industrial environments.
Technical Specifications & Connectivity
Engineered for seamless integration into the S7-300 modular architecture, this module provides reliable signal processing with integrated galvanic isolation.
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Part Number: 6ES7321-1BL00-0AA0
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Input Type: Digital Input (DI) 24V DC.
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Channels: 32 inputs (isolated in groups of 16).
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Input Current: Typically 7 mA.
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Front Connector: Requires a 40-pin front connector for wiring.
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Diagnostics: Status LEDs for each channel for easy visual verification.
Key Benefits for High-Density Control
The 6ES7321-1BL00-0AA0 stands out for its ability to manage 32 signals within a single 40mm wide module. This allows for significant space savings within the control cabinet while maintaining high performance.
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Cost-Efficient: Reduces the number of modules required for high-I/O count projects.
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Standardized Design: Fully compatible with all S7-300 CPUs and ET 200M distributed I/O stations.
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Industrial Durability: Built to withstand the electrical noise and vibration common in factory floor installations.
Expert Commercial Support for Your Procurement
As a specialized supplier of Siemens industrial hardware, we focus on providing an efficient and reliable sourcing process for your maintenance needs.
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100% Genuine Siemens: We guarantee that every 6ES7321-1BL00-0AA0 is an original factory part.
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Commercial Guidance: Our sales team can assist with price quotes and help you verify the necessary 40-pin connector accessories.
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Fast Worldwide Shipping: We prioritize rapid logistics to ensure your components arrive on time, anywhere in the world.
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Inventory Readiness: We maintain stock of critical S7-300 series modules to help you avoid production downtime.
