Application Environment:Industries requiring precise digital input management, such as manufacturing, automotive, and process control
Operating Voltage:24V DC
Input Channels:8 digital inputs
Response Time:≤ 500 μs
Signal Compatibility:TTL, CMOS, and open collector outputs
Communication Interface:Profinet, Modbus TCP/IP, OPC-UA
Temperature Range:-25°C to +60°C
Enclosure Protection:IP20 (non-sealed)
Power Consumption:Max. 100 mA
Dimensions:70mm x 68mm x 35mm
Weight:Approx. 0.2 kg
The Siemens 6ES7 315-7TJ10-0AB0 SM421 Digital Input Module is engineered to enhance the efficiency and safety of industrial automation processes. With its 16 digital inputs, this module can seamlessly integrate with various sensors and actuators, providing precise control signals for machinery operations.
Featuring advanced optical isolation technology, it ensures reliable signal transmission without interference, even in harsh industrial settings. This is particularly beneficial in environments where electrical noise or potential ground loops could compromise system integrity.
Certified for hazardous areas according to international standards (Ex), the module is ideal for applications in industries like petrochemicals, mining, and manufacturing where safety is paramount. Its robust design withstands challenging environmental conditions, ensuring continuous operation without maintenance interruptions.
On-board diagnostics offer real-time monitoring of the module’s performance, enabling predictive maintenance and reducing downtime. The substitute value output feature ensures system reliability by automatically switching to a predefined state in case of input failure, maintaining process stability.
The standardized I/O interfaces facilitate easy integration with existing Siemens PLC systems and other compatible devices, streamlining the setup and maintenance processes for industrial operators. This compatibility also enhances the potential for future upgrades and system expansions.
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