The SIEMENS 6ES7421-1BL00-0AA0 SM421 is a high-performance digital input module designed for industrial systems. It offers 32 channels for DC24V digital inputs, ensuring reliable signal processing and control in various manufacturing environments.

6ES7421-1BL00-0AA0 specifically for the S7-400 PLC system. It is used to receive binary signals from field devices such as switches, sensors, and contacts. This data is then transmitted to the PLC for processing, control, and monitoring tasks.

Number of Channels:32

Supply Voltage:DC24V

Operating Current:≤10mA per channel

Signal Types:DC24V Sinking

Relay Contacts:SPST

Operating Temperature:-25°C to +60°C

Storage Temperature:-40°C to +85°C

6ES7421-1BL00-0AA0 Dimensions:90mm (W) x 90mm (D) x 120mm (H)

6ES7421-1BL00-0AA0 Weight:0.5kg

This 6ES7421-1BL00-0AA0 module is engineered to withstand harsh industrial environments, providing a reliable solution for a wide range of applications including machine control, process, and manufacturing lines.

6ES7421-1BL00-0AA0  Featuring a compact modular design, it seamlessly integrates into SIMATIC S7 series controllers, optimizing space usage and enhancing system efficiency.

With a high number of channels, the SIEMENS 6ES7421-1BL00-0AA0 allows for extensive signal monitoring and control, making it suitable for complex tasks.