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For Simatic S7 system applications, Siemens 6ES7231-5PD32-0XB0 provides the function of an Analog Input Module.
For replacement planning, digital input hardware creates the path from field-level status signals to control logic, allowing the system to evaluate operating conditions and respond through configured sequences or protective actions. Maintenance planning should reference the installed hardware configuration.
Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The plant's maintenance records should support final product selection.
Country of origin is listed as China.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Existing connection and module records should guide replacement work.
Active Product 01.31.2022
SIEMENS SIMATIC S7-1200 analog input, SM 1231 RTD, 4xAI RTD module
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