Document No.EX##-TDP0012 March 12, 2012 Product Development Div.5, SMC Corporation Dear users of the serial transmission unit, EX510-GDN1, Please be informed of the handling precautions of the setup file, EDS. Customers use current EDS file register new EDS file without deleting the old EDS file. Usage of the new EDS file (ex510-gdn1_88_v15.eds) 1. This new EDS file is to be used for the gateway unit (EX510-GDN1) of the devise revision 3.001 with the identification mark G on the label. 2. When new EDS file is used with previous gateway unit other than old GW unit mentioned above. New file may not be able to set depending on the configuration software of other manufacturer due to the difference of Major Revision. Do not delete the current EDS file. Usage of the old EDS file (ex510-gdn1_88_v14.eds) 1. This old EDS file is to be used for the gateway unit (EX510-GDN1) of the devise revision 2.001 which does not have the identification mark G on the label. 2. If this old EDS file is to be used for the gateway unit of the device revision 3.001 with the identification mark G on the label, old file may not be able to set depending on the configuration software of other manufacturer due to the difference of Major Revision. Keep the old EDS file when registering the new EDS file. If the gateway unit which does not have the identification mark G on the label (EX510-GDN1) is replaced to gateway unit with the identification mark G for maintenance. It may not be possible to communicate just by replacement depending on the configuration software of other manufacturer. Usage of the new EDS file (ex510-gdn1_88_v15.eds)