Precautions for Correct Use If a switching hub is used, refer to the NX-series Safety Control Unit/ Communication Control Unit User's Manual (Cat. No. Z395) for information on precautions for switching nub selection. Precautions for Correct Use Update Sysmac Studio to the version in 5.2. or to a higher version. If a version higher than the one specified is used, the procedures and related screenshots described in Section 7. and the subsequent sections may not be applicable. In that case, use the equivalent procedures described in this guide by referring to the Sysmac Studio Version 1 Operation Manual (Cat. No. W504). 7