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Product information
SIMATIC S7-1500 DI 16xNAMUR HF digital input module; part number 6ES7521-7TH00-0AB0.
Detailed Parameters
Channels:16 channels in groups of 8
Input type:DI 16xNAMUR HF
For:8.2 V NAMUR encoder
Sensor supply:8.2 V
Input delay:parameterizable 0.05 … 20 ms
Integrated counting function:up to 20 kHz
Pulse stretching:up to 20 kHz
Chatter monitoring:provided
Signal inversion diagnostics:provided
Hardware interrupts:provided
Scope of supply:all necessary components for shielding included
Front connector:to be ordered separately (screw terminals or push-in)
Engineering Context
The DI 16xNAMUR HF module is intended for connection of an 8.2 V NAMUR encoder and provides 16 digital input channels arranged in groups of 8.
The module supports parameterizable input delay (0.05 … 20 ms) and provides an integrated counting function with pulse stretching up to 20 kHz.
Diagnostics and interrupt handling are provided via chatter monitoring, signal inversion diagnostics, and hardware interrupts.
FAQ
1. How many input channels does the 6ES7521-7TH00-0AB0 provide, and how are they grouped?
It provides 16 channels in groups of 8.
2. What type of encoder is supported by the DI 16xNAMUR HF module?
It is for 8.2 V NAMUR encoder.
3. What is the sensor supply voltage for the module?
The sensor supply is 8.2 V.
4. What input delay range is parameterizable on this module?
The input delay is parameterizable 0.05 … 20 ms.
5. Does the module include a counting function, and what is the maximum pulse frequency?
Yes. It includes an integrated counting function with pulse stretching up to 20 kHz.
6. What diagnostics and signaling features are included?
It provides chatter monitoring and signal inversion diagnostics.
7. Are all necessary components for shielding included, and what about the front connector?
All necessary components for shielding are included in the scope of supply; the front connector (screw terminals or push-in) must be ordered separately.
