A90 series Inverter User Guide 3.3.3 Analog Input Terminal Wiring 3.3.3.1 Wiring Terminals AI1 and AI2 with Analog Voltage Signal: When analog voltage input signal is powered by external power supply, terminals AI1and AI2 are wired as Figure 3-6-a. When analog voltage input signal is generated by potentiometer, terminals AI1 and AI2 are wired as Figure 3-6-b. Inverter Inverter 0 ~ 10VDC AI1/AI2 Near-End Gronding GND PE of Shield Cable （ a ） Figure 3-6 Wiring of Terminals AI1 and AI2 （ b ） 3.3.3.2 Wiring of Terminals AI2 with Current Signal: When analog current signal input on terminals AI2, configure current mode through switches S2 on the control board.
Inverter Near-End Gronding of Shield Cable 0 ~2 0mA GND AI2 PE Figure 3-5 External power supply current source and AI2 terminal wiring diagram 3.3.4 Wiring of the Digital Input Terminal the smaller models is GND). Shorted digital input terminal to COM is Enable, and disconnected is For A90 inverter, the common terminal of the digital terminals is the COM (A90-4T017B and Disabled (NPN mode).The typical wiring is shown in Figure 3-10 . 18 10V AI1/AI2 GND PE