SIMATIC S7-400 CP 441-1 serial communication processor / 6ES7441-1AA05-0AE0

6ES7441-1AA05-0AE0: manufacturer-listed serial communication hardware. Verify physical interface selection, host module and required drivers before ordering.

Manufacturer part number: 6ES7441-1AA05-0AE0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-400
Module designation: CP 441-1
Number of interfaces: 1
Interface selection: Plug-in submodules: RS-232C (V.24), 20 mA TTY, or RS-422/RS-485 (X.27); verify separately ordered interface hardware
Communication function: Point-to-point serial communication
Integrated protocols: ASCII, 3964(R), printer driver
Maximum transmission rate: 115.2 kbps for RS-232/RS-422/RS-485; 19.2 kbps for 20 mA TTY
Maximum 5 V backplane current (mA): 300
Dimensions (W x H x D): 25 x 290 x 210 mm
Approximate weight (g): 580; interface submodules approximately 80 g each
Document pages: PDF 97, 98
Current lifecycle status: Not established by historical catalogue; confirm separately

Manufacturer technical catalog · SIMATIC ST 400 / May 2017 · en · PDF · ST 400 / May 2017 / E86060-K4678-A151-A1-7600Manufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7441-1AA05-0AE0 · 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.