The Siemens 6ES7340-1AH01-0AE0 is a robust communication module designed for integration within the Simatic S7 PLC systems. Operating at 24 V, this module is engineered to facilitate reliable data exchange through its RS232C interface, supporting transmission rates from 2.4 to 19.2 kbit/s. With a compact form factor of 40 x 125 x 120 mm and a weight of approximately 300 g, it is well-suited for various industrial applications where space is at a premium. The module features a single isolated interface, ensuring secure and efficient point-to-point communication over a maximum cable length of 15 meters. It is compatible with a range of printers, including HP-Deskjet, HP-Laserjet, and IBM-Proprinter, and supports both 3964 (R) and ASCII protocols, with a maximum telegram length of 1,024 bytes. This communication processor is an essential component for enhancing the connectivity and performance of automation systems.