The TWR-IND-IO is a industrial I/O tower system module, effectively brings you face to face with all the I/O you could ever need, including RS232, RS 485, dual CAN transceivers and so 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.