Overview
The 6ES7441-1AA05-0AE0 is a Siemens SIMATIC S7-400 CP 441-1 coupling module for point-to-point serial connections, providing one channel with native support for ASCII protocol at line rates up to 115.2 kbit/s.
Function & operation
Transmission rate is configurable from 300 bps to 115.2 kbit/s, matching the connected device's baud rate. The built-in printer driver handles four common printer command sets at up to 115.2 kbit/s.
Lifecycle & availability
Siemens has classified the 6ES7441-1AA05-0AE0 as phase-out, with a formal discontinuation date of 2025-10-01. After that date, Siemens will no longer manufacture or supply this module through standard channels.