The TM221ME16RG is a Modicon M221 logic controller designed for automation applications, operating on a 24V DC supply. It provides a total of 16 I/O points, consisting of 8 discrete inputs, 2 analog inputs (0-10V), and 8 normally open relay outputs rated for up to 2A. For connectivity and programming, the controller is equipped with an Ethernet port, a USB Mini-B port, and a serial link supporting RS232/RS485. The unit includes 256 kB of user application RAM and can be expanded with up to 7 local or 14 remote I/O modules, making it a versatile solution for machine control systems.