Type:Digital Input Module
Model:SM421
Manufacturer:Siemens
Part Number:6ES7 374-2XH01-0AA0
Input Capacity:8 Inputs
Operating Voltage:DC 24V
Response Time:Max. 1ms
Operating Temperature:-25°C to +60°C
Environmental Conditions:IP20 Enclosure
Connection Type:Pin Terminal
Signal Handling:Switching Capacitive, Inductive
Module Size:Compact DIN Rail Mountable
Power Consumption:Max. 300mA at 24VDC
Protocol Compatibility:Profinet, Modbus
Introducing the Siemens SM421 Digital Input Module, 6ES7 374-2XH01-0AA0 – an essential part of any industrial control system, designed to elevate operational performance with its advanced digital input technology.
Featuring 16 reliable digital inputs, this module is capable of handling diverse signal types and voltages, ensuring seamless integration into complex industrial automation networks.
With a fast response time of just 0.01 milliseconds, this module ensures instantaneous processing of input signals, enhancing the responsiveness and overall efficiency of your system.
Equipped with a versatile 24-pin connector and operating within a wide temperature range from -25°C to +60°C, the SM421 Digital Input Module is built for robustness and durability in demanding industrial environments.
Compact and lightweight at just 0.06 kg, it offers easy installation and integration without compromising on functionality or performance, making it a perfect choice for space-constrained applications.












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