Document No.: EX##-TDU0012-B [First edition] July 25, 2016 [Revision A] February 6, 2020 [Revision B] Octorber 18,2023 Product Development Div.5, SMC Corporation Dear users of the serial transmission unit, EX260-SEN#, Please be informed of the handling precautions for the EDS setup file. [Revision B] - Use of the EDS file (ex260-sen#_##_v23.eds) This EDS file is used for SI unit (EX260-SEN#) device revision 2.3 manufactured after November, 2017. [Revision A] - Use of the EDS file (ex260-sen#_##_v22.eds) This EDS file is used for SI unit (EX260-SEN#) device revision 2.2 manufactured from June, 2016 to October, 2017. This EDS file is also used for SI unit (EX260-SEN#) device revision 2.3 manufactured after November, 2017. However,depending on the model and settings of the PLC to be connected, a notification may appear starting that the device revision listed in the EDS file is different from device revision of the SI unit(EX260-SEN#), [First edition] - Use of the old EDS file (ex260-sen#_##_v21.eds) The old EDS file is used for SI unit (EX260-SEN#) device revision 2.1 manufactured before May, 2016.