SIMATIC S7-1500 digital input module DI 16×24 V DC HF (Part number: 6ES7521-1BH00-0AB0) provides 16 digital input channels for 24 V DC high-frequency applications, with configurable input delay and diagnostics.
Detailed Parameters
Product family:SIMATIC S7-1500
Module designation:digital input module DI 16×24 V DC HF
Signal inputs:16×24 V DC HF
Channel count:16 channels
Channel grouping:in groups of 16
Counter capability:of which 2 inputs as counters can be used
Input delay:0.05..20 ms
Input type:3 (IEC 61131)
Diagnostics:diagnostics
Hardware interrupts:front connector (screw terminals or push-in) to be ordered separately
Engineering Context
The module DI 16×24 V DC HF is part of the SIMATIC S7-1500 system and provides 16 digital input channels.
Two of the 16 inputs can be configured to be used as counters, depending on system configuration.
Hardware interrupts are related to the front connector, which must be ordered separately.
FAQ
1. What module function does 6ES7521-1BH00-0AB0 provide?
It is a SIMATIC S7-1500 digital input module DI 16×24 V DC HF.
2. How many input channels are available on this module?
The module provides 16 channels in groups of 16.
3. Are any inputs usable as counters?
Yes, 2 inputs can be used as counters.
4. What input delay range is supported?
The input delay is 0.05..20 ms.
5. What is the input type?
The input type is 3 (IEC 61131).
6. Does the module include diagnostics?
Yes, it includes diagnostics.
7. What is required for hardware interrupts related to the front connector?
The front connector (screw terminals or push-in) is to be ordered separately.
