Posted 25 Jun 2022 PLC:- FX3u-48MR Analog card:- Fx2n 2AD Signal source:- 4-20mA Signal generator Tried rd3A Command Tried TO & FROM Command PLC doesnot read the signal, yet no error, wired as per manual... Please suggest if anyone has answer to this problem? Share this post Link to post Share on other sites
Posted 25 Jun 2022 @vtripathi How about your wiring and which module do you connect? Please show us your program for check. Share this post Link to post Share on other sites
Posted 27 Jun 2022 Hi Wasan thanks for the reply i tried 2 different modules Module 1:- FX3U-4AD-ADP, It is connected on left hand side of plc This Analog module is connected to expansion board bolted to mitsubishi plc Expansion board:- FX3U-CNV-BD I am using a signal generator to generate 4-20mA signal Wiring Connecting +Ve to V+ Bridging link between V+ and I+ Connecting Comm to -Ve program attached Second method was using FX2N 2AD, which connects on right hand side of the fx3u plc via ribbon cable, Please find screen shots of plc attached to word file as attachment Hope to hear soon from you Best Regards, Vib MITSUBISHIPLCANALOGPROGRAMMING.docx MITSUBISHIPLCANALOGPROGRAMMING.docx Share this post Link to post Share on other sites