User Manual of A90 Series Inverter 3.3.1 Composition of control circuit terminal I S2 V AI2 485 ON S1 OFF Y1 X1 X2 X3 X4 X5 COM M2 KeyBoard Fig. 3-11 Layout of Control Circuit Terminals 3.3.2 Functions and wiring of control circuit terminals Table 3-4 Functions of Control Circuit Terminals 38 RJ45 8 1 Terminal Type Terminal name Terminal function description label +10V power Supply +10V power to external devices. 10V-GND supply Maximum output current: 20mA Auxiliary Supply +24V power to external devices. It is power usually used as the working power supply for +24V power supply 24V-COM1) digital input and output terminals and also the supply power supply for external devices.
Maximum output current: 100mA AI1-GND Analog input terminal 1 Input voltage range: DC 0-10V; input impedance: 1MΩ AI2-GND Analog input terminal 2 Input range: DC 0-10V/0-20mA. The voltage/current mode is selected via the switch S2 on the control panel. Input impedance: 1MΩ in the voltage mode and 250Ω in the current mode Analog input Digital X1-COM1) Multi-function input terminal 1 Common terminal: COM Input impedance: 5.1kΩ input port