User Manual of EM730 Series Inverter (a) (b) Fig.3-12 AI1/AI2 Terminal Wiring Diagram Wiring of the input analog current signal of AI2 terminal: When the AI2 terminal is in the mode of analog current signal input, the switch J8 on the terminal block is set to the current mode. Fig.3-13 Wiring Diagram of External Current Source and AI2 Terminal 45