... meter display voltage data, offer RS485 COM, digital input/ relay output, support Modbus PMAC600B panel meter supports single ... or RS485 port, wide range of standard and optional measurements, digital power transducer for PLC, DCS, EMS, and SCADA applicationsThis is ... programming the relay output or analog outputeasily, easy installation and small size.Installation size: 89.5mm x 89.5mm.