Siemens S7-400 analog input measuring-range card, two units / 6ES7974-0AA00-0AA0

6ES7974-0AA00-0AA0: analog input measuring-range card, two units. Application and pack quantity follow the exact manufacturer ordering row. Verify host compatibility and current availability before ordering.

Manufacturer part number: 6ES7974-0AA00-0AA0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-400
Component role: Plug-in measuring-range selector; not a standalone analog input module
Application: Selection of input range on applicable S7-400 analog input modules
Channels per range card: 2 inputs
Pack quantity: 2 range cards per accessory ordering row on PDF140
Compatibility scope: Exact analog-module range and wiring must be verified in its hardware manual
Document pages: PDF 69, 140
Current lifecycle status: Not established by historical May 2017 catalogue; confirm current lifecycle and supply separately

Manufacturer technical catalog · Siemens ST400 May 2017; exact accessory ordering row, PDF 69, 140 · en · PDF · ST400 May 2017Manufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7974-0AA00-0AA0 · 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.