The PMC-509 is a multi-circuit, multifunction monitor, featuring quality construction, DIN rail mount and a large, easy to read LCD display. It comes with either 6 Current Inputs and 3 RTD Inputs or 9 Current Inputs. The PMC-509 also provides 4 self-excited Digital Inputs for status monitoring. Further, the SOE Log records all setup changes, Setpoint and DI events in 1ms resolution. With the standard RS-485 port and Modbus RTU protocol support, the PMC-509 becomes a vital component in any energy management systems.