Posted 20 Feb 2018 (edited) HELLO , WE ARE USING FX3U CPU AND MODBUS RS485 CARD (FX3U-RS485ADP-MB) .. 1ST THING WE HAVE 3 TIMER DISPLAY AND 1 ANDON DISPLAY SLAVE ID'S 1,2,3,4 RESPECTIVELY. FOR 3 TIMER ID 1,2,3 .... I JUST WANT TO DISPLAY THE DOWN COUNT OF TIMER WHICH WE ARE USING IN PLC PROGRAM... BUT I AM NOT ABLE TO COMMUNICATE ON RS485. IN REF. MANUAL THOSE PROGRAM GIVEN I HAVE DONE WITH THIS ONLY PLEASE TELL ME ANY THING REGARDING THIS........ I HAVE ATTACHED THE PROGRAM FILE .... modbus_1.gxw Register Address(1).txt Edited 20 Feb 2018 by FX3U Share this post Link to post Share on other sites
Posted 21 Feb 2018 (edited) RTUE 19K2 8 none 1 is your comms ? D8401 is set to 4 ???? This should be 1 for master RTU Modbus Edited 21 Feb 2018 by Gambit Share this post Link to post Share on other sites
Posted 24 Feb 2018 Hello sir..... we are getting the data interface on modsim as salve , id 2 but what we have the timer display on this we not getting any data by force on plc . i am attaching my plc program . please guide me. modsim_slave2_ok.gxw Share this post Link to post Share on other sites
Posted 24 Feb 2018 On 2/21/2018 at 1:27 PM, Gambit said: RTUE 19K2 8 none 1 is your comms ? D8401 is set to 4 ???? This should be 1 for master RTU Modbus thanku sir, but i am getting data on modsim as slave but not on actual timer on which i have to display the down count of time i have attached the program with my coment pleae check modsim_slave2_ok.gxw Share this post Link to post Share on other sites
Posted 5 Mar 2018 What do you mean it work on the simulator you are using but not on your device? If so then you should check the com settings of your device. Share this post Link to post Share on other sites