User Manual of A90 Series Inverter 24V 24V PLC PLC K1 RUN K1 RUN K2 F/R Xi K2 F/R Xi COM COM 0: closed 1: disconnected 0: closed 1: disconnected (a) Two-line running mode 0 (F00.03=0) (b) Two-line running mode 1 (F00.03=1) 24V 24V PLC PLC RUN RUN Xi Xi COM F/R COM F/R 0: closed 1: disconnected (c) Three-line running mode 0 (F00.03=2) (d) Three-line running mode 1 (F00.03=3) Fig. 1-6 Control Logic Diagram of Terminal Operation 19 K1 K2 Running command 0 0 Reverse 0 1 Forward 1 0 Stop 1 1 Stop K1 K2 Running command 0 0 Stop 0 1 Forward 1 0 Reverse 1 1 Stop RUN Run button Stop Xi button F/R 1 Forward 0 Reverse RUN Forward button F/R Reverse button Xi Stop