Posted 22 May 2017 hi, same one can help me. i have 1 master srm21 (unit:2) and dip sett : 1 ,2, 3, 4 off . and i have 6 module srt2-id16 node number : 0,2,4,6,8,10 the problem when i change dip switch 1 to ON position error has been generated. and node 8 and 10 not detect Share this post Link to post Share on other sites