Product Description: siemens s7-1500 6es7521-1fh00-0aa0 digital-input, siemens s7-1500 6es7521-1fh00-0aa0 digital-input

1. Number of Digital Inputs:
   • Specifies the total number of digital input channels available on the module.
2. Input Voltage:
   • The voltage level at which the digital inputs operate (e.g., 24V DC).
3. Input Current:
   • The current required for each digital input channel.
4. Input Signal Type:
   • Specifies the type of signals supported, such as sink/source, NPN/PNP.
5. Isolation:
   • Whether the inputs are optically isolated from the PLC system for electrical protection.
6. Connection Type:
   • Describes the type of connectors used for wiring the digital inputs.
7. Module Dimensions:
   • Physical dimensions of the module in height, width, and depth.
8. Operating Temperature Range:
   • The temperature range within which the module is designed to operate effectively.
9. Mounting:
   • Information about how the module is mounted, whether it’s DIN rail mounted or in a rack.
10. LED Indicators:
    • Indicates the presence of LED indicators for each input channel or for module status.
11. Diagnostic and Status Information:
    • Information about diagnostic features and the ability to monitor the status of individual input channels.

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