... Modbus/ Profibus, The PMAC720 Multifunction Power Analyser is suit for up to 220kV system.The compact device is designed for monitoring ... measurement3. Consist of basic unit and optional modules4. 10 years back-up of integrated energy data5. Large LCD, high brightness, auto-scrolling6 ... . 2 pulse output + 2 analog output Optional Function: 1. Up to 31st harmonic analysis, K factor, THD2. SOE (event log ...