We have one RTAC from SEL which is acting as a gateway between various IEDs and SCADA. IEDs are communicating on Modbus with RTAC and RTAC communicates on DNP3 with the SCADA server. We have added Copa Data Server in the RTAC, but still there is no communication and we are not able to receive any values over the variables which we have mapped in SCADA over DNP3. We want to know which parameters should be configured in Copa Data to establish communication and get the values from the RTAC.