Posted 8 Jul 2020 I have connected 2 temperature devices with him delta with plc delta by rs485. When I run plc I can see the temperature change on pc but the problem in hmi it's give errors. Com 2 errors I need someone help me to connect these devices please Share this post Link to post Share on other sites
Posted 22 Aug 2020 Hi @Must@@@@ . You can go to the delta PLC software "Communication Setting" where U have to select RS485 option as a communication mode between PLC and HMI. Share this post Link to post Share on other sites