Siemens 6ES7341-1AH01-0AE0 provides RS232C point-to-point communication with configurable protocols for SIMATIC S7-300 automation and serial device integration.
Siemens 6ES7414-2XG03-0AB0 CPU 414-2 executes S7-400 automation programs with dual PROFIBUS-capable communication interfaces and 256 KB integrated work memory.