PfofiBus Gateway7.4 PLC Address Assignment(1) Installing a GSD fileThe following explanation assumes use of STEP7 HardWare Configuration by Siemens (hereinafterreferred to as “HW Config”). Before defining the gateway, download the GSD file for the gateway.The GSD file you need is hms_1003.gsd. It can be downloaded from IAI’s website.Start the HW Config software and install the GSD file you have downloaded. Select Options from themenu bar, and then click Install New GSD from the pull-down menu.< GSD file import>When the GSD file has been imported successfully, a new level called “ANYBUS-PDP” will becreated in the catalog window of the HW Config screen, as shown below.100