| Item Description | ETHERCAT bus IO expansion module / the EIO1616MT expansion module is an expansion module used by the ETHERCAT bus controller. When IO and other resources are insufficient, expansion modules need to be added. The controller CAN connect multiple expansion modules at the same time. The expansion modules are connected through the bus. Each expansion module has a unique address, starting from 0. The program on the controller CAN access the resources on the expansion module only through the IO number, and the IO number is through the bus command node_ IO |