Alexan Tech. Inc. was founded in 2003 as a system integration company which provides the turnkey solution to customer in automation markets. The company designs all kinds of hardware to work with COTS (Commercial off-the-shelf) product to meet the user¡¦s requirements. It also develops the programming project base on user’s software specification. We mainly focus on the communication system in various protocol behavior e.g. EtherCAT, CAN, ZigBee, etc.