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Hello friends. I am using a USC B5 TA30. This PLC is communicating with 4 frequency inverters in RS485. I managed to establish communication but it is very unstable, the problems are as follows: -It does not update in real time, it takes a few seconds because I need to be updating the routine call manually; -All the inverters are configured correctly and work individually just by changing the cable between them, but when I connect them all there is no command of two or more (each with their own address); Some data that may be relevant: -All equipment is functional; -They are