SIMATIC S7-200 SMART EM AT04 thermocouple input module / 6ES7288-3AT04-0AA0

6ES7288-3AT04-0AA0: selected channel and signal specifications reviewed against the exact manufacturer manual row. Verify sensor wiring, signal modes and host compatibility before ordering.

Manufacturer part number: 6ES7288-3AT04-0AA0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-200 SMART
Channels: 4
Input types: Thermocouple or voltage measurement
Temperature resolution: 0.1 C / 0.1 F; not a temperature accuracy claim
Voltage input resolution: 15 bits + sign
Isolation (field to logic): 500 VAC
Supply voltage: 20.4 to 28.8 VDC; Class 2 limited power or PLC sensor power
Terminal requirement: Gold connectors, per manufacturer wiring note
Weight: 125 g
Dimensions (W x H x D): 45 x 100 x 81 mm
Generation scope: SMART extension module; no compatibility inferred for classic S7-200 or non-expandable CR CPUs
Document pages: PDF 913, 914, 1004
Current lifecycle status: Not established by historical manual; confirm separately

Manufacturer manual · S7-200 SMART System Manual / V2.8 / 08/2023 · en · PDF · V2.8 / 08/2023 / A5E03822230-ALManufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7288-3AT04-0AA0 · 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.