EM500 Open-Loop Vector Control Inverter User Manual 3.3.6Wiring of Multi-function Output Terminal Y1 and Y2 can be powered by internal 24V power supply or external power supply (see Figure 3–17). +24V 24V +24V 24V Inverter Y1.Y2 Relay Inverter Y1.Y2 Relay + - DC COM COM a: internal power supply b: external power supply Figure 3-18 Wiring of Multi-function Output Terminal 1. An antiparallel diode must be added, in order to use an internal power supply (see Figure 3-18-a). 3.3.7Analog Output Terminal Wiring External analog board of analog output terminals M2 may indicate multiple physical quantities. Select (0 - 20 mA) or (0 - 10 V) by DIP switch; M2 corresponds to S3.
M1 is analogy output ONLY for DC 0~10V. Wiring of DIP switch and terminal is as follows: 3.3.8 Wiring of 485 Communication Terminal Communication terminals A+ and A- are RS485 communication interfaces of inverter. Realize networking control of host controller (PLC or PLC controller) and 53 V S2 Switch is invalid ,M1 for analog voltage output V I S3 M2 for analog voltage output M2 for analog current output