Remote monitoring and control of 150 thermal substations in Subotica, with Danfoss APEX 10 controller and Decode GSM modem. Display of primary and secondary temperatures and pressures, M-bus communication with Kamstrup calorimeters, Wilo and Grundfos pumps, supplementation and relief of secondary water, based on the secondary pressure sensor. The ability to manually control the elements in the field. Setting a 6-point heating curve, remote switching on and off of substations … All substations connected to the central monitoring and control system (SCADA WONDERWARE INTOUCH). Monitoring and management of heat substations from SERVICE TOOL as well as from SCADA system.