Siemens SIMATIC S7-1500 System Manual page 170

Configuring
9.9 Configuration of digital inputs/outputs (X142)
Hardware interface
• In the Hardware interface configuration window, assign the Timer DI measuring input
type and the selected channel to the technology object.
Figure 9-15 Hardware interface
Measuring input type: Measuring using Timer DI
• Select a measurement input for a measurement using a Timer DI. The selection box
displays all channels that have been configured correctly.
Note
Extending the configuration limits
A maximum of eight timer DI can be configured at the X142 interface. If the timer DI at X142
are not sufficient for your needs, you can configure a further eight measuring inputs at
interface X122/X132. You can also extend the configuration limits using time-based I/O
modules:
• ET 200SP distributed I/O system: TM Timer DIDQ 10x24V
(https://support.industry.siemens.com/cs/ww/en/view/95153951)
• ET 200MP distributed I/O system: TM Timer DIDQ 16x24V
(https://support.industry.siemens.com/cs/ww/en/view/95153313)
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System Manual, 11/2023, A5E46600094-AD