EM500 Open-Loop Vector Control Inverter User Manual Table 3-1 90 kW – 400 kW Terminal Dimension Note: 90 kW or above: Power input terminals are on the top and power output terminals are at the bottom of inverter. 220 - 400 kW or above: There are 2 wiring terminal blocks for each phase. 3.2.2Main Circuit Terminal Functions The main circuit terminal functions of EM500 are shown in Table 3–2 and please correctly wire terminals according to functions. Table 3–2 Main Circuit Terminal Functions 3.2.3Internal Main Circuit The internal main circuit structure of EM500 is shown in Figure 3–3.
R U R U S W T V S W T V Power Supply Control Circuit 控制回路 电源 冷却风扇 Cooling Fan 冷却风扇 Cooling Fan a) EM500-0R7G/1R5P-3B~EM500-7R5/9R0P-3B b) EM500-011G/015P-3B~ EM500-018G/022P-3B 38 Model No. W W1 W2 W3 EM500-090 to EM500-132 33 - - - EM500-160 to EM500-200 39 - - - EM500-220 to EM500-280 88 22 88 22 EM500-315 to EM500-400 104 26 101 23 Terminal No. F unction Description R, S and T AC power supply input terminal, to connect to 3-phase AC power supply. U, V and W AC output terminals of inverter, to connect to 3-phase AC motor.
P ositive and negative terminals of internal DC bus, to be connected to the external braking unit and PB Braking resistor connection terminals, one end connected to and the other end to PB. Grounding terminal. we电r Su源pply