SIMATIC S7-300 SM331 8-channel RTD input / 6ES7331-7PF01-0AB0

6ES7331-7PF01-0AB0: S7-300 signal module reviewed in its own section of the May 2022 manufacturer equipment manual. Verify signal type, hardware/firmware, wiring and host compatibility before ordering. This historical evidence does not establish current lifecycle, stock or Iran demand.

Manufacturer part number: 6ES7331-7PF01-0AB0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-300
Analog inputs: 8 RTD inputs in 4 channel groups
Input types: Resistance; temperature
Input resolution: 15 bits plus sign; programmable per group; independent of integration time
Limit monitoring channels: 8
Module features: Configurable diagnostics and diagnostic interrupt; end-of-cycle hardware interrupt; fast update for 4 channels; configuration in RUN
Electrical isolation: Potential-free from CPU; per-channel isolation not inferred
Reviewed document edition: 05/2022 / A5E00105505-AK
Document pages: PDF 316, 317
Current lifecycle status: Not established by historical manual; confirm current lifecycle and supply separately
Module notes: Exact standard ordering suffix only; verify hardware/firmware, host compatibility, measuring range, wiring and installation before ordering

Manufacturer manual · S7-300 Module data / 05/2022 / A5E00105505-AK · en · PDF · 05/2022 / A5E00105505-AKManufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7331-7PF01-0AB0 · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.