Model Number:6ES7 521-1FH00-0AA0
Module Type:Digital Input Module
Brand:Siemens
Number of Inputs:16
Channel Type:Opto-coupled
Operating Voltage:DC 24V
Operating Current:10mA per channel
Response Time:1ms
Input Signal Range:-30V to +30V
Operating Temperature:-25°C to +60°C
Humidity Range:5% to 95% RH non-condensing
Connection Type:DIN rail mountable
Power Supply:External 24V DC
Communication Interface:MPI/DP
Compliance Standards:IEC 61131-2, EN 61000-6-2, EN 61000-6-3
Engineered for durability and precision, the Siemens 6ES7 521-1FH00-0AA0 Digital Input Module is a key component in industrial automation systems, ensuring reliable signal acquisition and processing.
With its opto-coupled design, it offers effective isolation between the input and the output circuits, preventing any potential damage or interference in complex industrial environments.
Featuring a compact DIN rail mounting design, the module simplifies installation and integration within existing systems, reducing downtime and streamlining maintenance procedures.
Supporting up to 16 digital inputs, it caters to a wide range of applications, from simple monitoring tasks to complex control systems, enhancing operational efficiency.
Adhering to stringent international standards, including IEC 61131-2 for programming languages and EN 61000-6-2/3 for electromagnetic compatibility, this module ensures compatibility and safety in diverse industrial settings.
Equipped with an external 24V DC power supply, the module operates efficiently across a broad temperature range (-25°C to +60°C), making it suitable for demanding industrial conditions.






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