HMI Address Not accessing

I am getting data from AB PLC directly from its address and it is successfully done, but i wan to get data from HMI input like we put temperature set point value on HMI but there is no address on HMI like PLC there is only tag which relate with plc and that tag is not applicable in eth-ip in of node in node red how can i access, when i directly place hmi tag in node and then deploy then all got offline and give that error
kindly describe how to solve