User Manual EM303B General Purpose Inverter 4.2 LED Keypad Operation Mode 6 keypad operation modes of EM303B: function setting, parameter copy, operation monitoring, fault monitoring, jog running, and start/stop. Keypad operation modes are as shown in Table 4-2. Table 4-2 Keypad Operation Modes Function setting, operation monitoring and fault monitoring are operated by menu setting. Start/stop, jog and keypad numeric potentiometer are operated by single button. 42 Part Name Function UP Select function parameter, menu or increase the value of setting parameters, and increase the present effective reference numeric input data.
DOWN Select function parameter, menu or reduce the value of setting parameter, and reduce the present effective reference numeric input data. Status Indicator RUN:Green On: the inverter is running. Flashing: the inverter is stopping. STOP: Red On: fault occurs. S/T: Red Off: in speed control mode On: in torque control mode +/-: Red Off: + positive input signal On: - negative input signal F/R: Red Off: output frequency≥0, forward On: output frequency Analog Potentiometer Regulate speed as per input analog value. Keypad Operation Key Function Mode Function Setting 1. Display, edit, save, reset and lock the function code and its parameters. 2. Reset default of the parameters. 3.
Select relevant parameter when the inverter is running. Function Parameter Copy 1. Upload parameter: Upload the parameters saved in the inverter to keypad. 2. Download parameter: Download the parameters saved in the keypad to inverter. Combine above two modes to copy parameters easily and quickly for multi-inverter. Running Monitoring 1. Randomly select function parameters C0-00 ～C0-31 display when the inverter is running. Fault Monitoring 1. Fault details. 2. Output frequency, DC bus voltage, output current, running direction, and running status when fault occurs. 3. The last 3 faults. Jog Press ＋J ／OG － in setting status, the inverter runs as per the setting frequency.
Release ＋J ／OG － , the inverter will stop. Start/Stop In keypad start/stop mode, press RUN and then release, inverter starts to run. Press RS ET SO EP T in operation status, inverter stops.