The Tower® System Industrial I/O module (TWR-IND-IO) gives you all the I/O you could ever need, including RS-232, RS-485, dual CAN transceivers and much more.As is standard with all Tower System modules, this peripheral module is interchangeable across the modular development platform it can be used with a variety of existing controller modules and can be additionally paired with the TWR-SER peripheral module for even more industrial I/O interfacing.