Document No. EX**-TDU0008 April 27,2016 Product Development Div.5, SMC Corporation Dear users of the serial transmission unit, EX250-SDN1-X102, Please be informed of the handling precautions of the setup file, EDS. Usage of the new EDS file (ex250_sdn1_64_v16.eds) 1. The following is the newly added parameter function. -Set the Quick Connect (valid / invalid) of the "Quick Connect" SI unit. If the Quick Connect is not used, there will be no problem in using the old EDS file (ex250_sdn1_64_v15.eds).