User Manual EM303B General Purpose Inverter 3.3.11 Standard Control Circuit Wiring See Figure 3-21 for standard control circuit wiring of EM303B. External Braking Unit External Braking Resistor - + PB MCCB MC ≥90kW:
With Built-in DC Reactor U 3-phase Power Supply R S M EM303B W V Ground T Ground RUN F/R X1 D1 X2 X3 EA Multi-function Input Terminals D2 D3 X4 EB EC Relay Output FRS X5 X6 RST X7 Y1 COM Y2 2 Multi-function Outputs Auxiliary DC Power Supply 24V COM PLC Potentiometer for Frequency Setting 10V PE Analog Input 2k Ω 2W VS IS MO M1 Voltage/Current Optional output 0 ～ 10V 0/4 ～ 20mA GND GND Analog Feedback Communicational Terminals A+ A- VF IF 0/2 ～ 10V PE GN D Ground Figure 3-21 Standard Control Circuit Wiring of EM303B Remarks: EM303B-018~400: No PB terminal. 38 V/I V/I