Model Number:6ES7421-7BH01-0AB0

Manufacturer:SIEMENS

Input Channels:16 DI

Isolation:Optical Isolation

Operating Voltage:24V DC

Operating Current:0.05mA

Relay Output:No

Delay Time:20ms

Alarm Triggering:Input Delay Alarm

Diagnose Capability:Diagnostic Error Reporting

Power Consumption:≤ 100mA @ 24V DC

Operating Temperature:-25°C to +60°C

Storage Temperature:-40°C to +85°C

    Experience enhanced efficiency in your industrial automation systems with the SIEMENS SIMATIC S7-400 Digital Input SM 421. This compact yet robust module is tailored for seamless integration into various control environments, offering precise digital input handling.

    Featuring 16 optically isolated digital inputs capable of operating on 24V DC voltage, the SM 421 ensures reliable signal reception even under challenging industrial conditions. Its advanced input delay mechanism provides immediate response times, ensuring system accuracy and responsiveness.

    With an operating temperature range from -25°C to +60°C, this module is designed to withstand extreme environmental conditions without compromising performance. It supports both MPI/DP and PROFIBUS DP networks, making it compatible with a wide range of Siemens and third-party systems.

    Equipped with 3.2 MB of working memory, the SIEMENS SIMATIC S7-400 Digital Input SM 421 boasts ample space for storing programs and data, facilitating complex control strategies and efficient data management.

    The inclusion of an extended function license for position control empowers users to leverage advanced motion control capabilities, enhancing productivity and precision in applications requiring precise positioning, such as robotics and CNC machinery.