Posted 10 Dec 2019 HI all. Am in some kind of trouble.. i have a sensor which has modbus RTU 485 . i want to connect it directly on weintek HMI .. kindly help me out.. Share this post Link to post Share on other sites
Posted 11 Dec 2019 uh huh, and what sensor? Have you gotten anywhere on wiring it up to the HMI? which model? Share this post Link to post Share on other sites
Posted 11 Dec 2019 @Zubair Ahmed You should have more information about this and should try to do something first then we can help you. First you should known these below. 1. You should understand Modbus and how to use variable 2. Which HMI do you use 3. What model of your sensor 4. Modbus manual for your sensor 5. wiring diagram from HMI to your sensor for more information you should check at this link. http://dl.weintek.com/public/PLC_Connect_Guide/eng/PLC_connection_guide.pdf Share this post Link to post Share on other sites
Posted 11 Dec 2019 THANKS guys for your reply.. infact i have manual for my sensor .. and for reference see attachments. i have done hmi wiring . i know modbus and its registers for picking values as i am picking values in scada. its weintek hmi Data_sheet_VA500_EN.pdf Instruction_Manual_VA_5xx_Modbus_RTU_Slave_Installation.pdf Share this post Link to post Share on other sites
Posted 11 Dec 2019 further more connection to hmi is to 6 and 9 pin of a db-9 connector Share this post Link to post Share on other sites