SIMATIC S7-300 SM331 8-channel 14-bit High Speed analog input / 6ES7331-7HF01-0AB0

6ES7331-7HF01-0AB0: 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: 6ES7331-7HF01-0AB0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-300
Analog inputs: 8 inputs in 4 channel groups
Input types: Voltage or current; programmable per group
Input resolution: 13 bits plus sign; programmable per group
Isochronous mode: Yes; DP master and slave must support it; STEP7 V5.2 or higher per reviewed manual
Fast mode: Available only on 7HF01; minimum DP cycle 1 ms; diagnostics disabled in Fast Mode
Standard mode DP cycle: Minimum 3.5 ms; configuration-dependent
Electrical isolation: Isolated from CPU and load voltage, except load-voltage isolation for 2-wire transducers
Module features: Programmable diagnostics, diagnostic interrupt and limit monitoring for 2 channels; high-speed measured-value update
Reviewed document edition: 05/2022 / A5E00105505-AK
Document pages: PDF 274, 281
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: 6ES7331-7HF01-0AB0 · 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.