Posted 16 Nov 2017 I need some help with G.input and g.output commands. I have a Q04UDEHCPU and my slots are as follow: slot 0 - QJ61BT11N cclink slot 1 - QJ61BT11N cclink slot 2 - QJ71C24N-R4 2-channel RS4222/RS485 I need to have 2 separate RS485 stings going to different devices. I cannot find the way of setting up the g.output command. G.Output "Un" (s1) (s2) (d) "Un" says it is the start I/O signal of the module, but I am not sure what that means. What there be a different "Un" number for each channel? Share this post Link to post Share on other sites
Posted 17 Nov 2017 (edited) This is the IO number of your QJ71C24 (please check your I/O assigment). So in this case All modules use 32 points (hex 20) 00 - CClink 1 20 - CC-link 2 40 - C24 Un should be 4 Have you looked at pre-defined protocol support this will make this very easy!!! Edited 17 Nov 2017 by Gambit Share this post Link to post Share on other sites
Posted 17 Nov 2017 Thanks Gambit. I think I almost had that figured out. I have used the A CPU's for 20 years & just starting to use the Q series on a few projects. So I am getting the impression that it will be easier (once I get it working once), but I am still getting started. What are these "pre-defined" protocols - you can point me in the right direction or towards a manual & that should be all I need. Thanks again Share this post Link to post Share on other sites
Posted 17 Nov 2017 in short you can pre define the string you want to send. In GX Works look under tools for predifined protocol support function. You can use this for serial and ethernet on modulen and CPU. http://app.mitsubishielectric.com/app/fa/download/search.do?mode=manual&kisyu=%2Fplcq&c1=Information+Network&c2=&c3= 8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL Q Corresponding Serial Communication Module User's Manual (Basic) Share this post Link to post Share on other sites