EM630/TC6A Closed-Loop Vector Hoist Inverter User Manual Please select the grounding wire of the specifications as stipulated in the Technical Standards of Electrical Equipment and keep it as short as possible when connecting to the ground point. Do not allow the grounding cable to form a circuit when two or more inverters are used. Correct and incorrect grounding methods are shown in Figure 3–11. Inverter Inverter Inverter Inverter Inverter Inverter Figure 3–11 Connection Methods of Grounding Cable 3.2.9 Braking Resistor and Braking Unit Wiring See Chapter 11 for type selection and wiring methods of the braking resistor and the braking unit.
3.3 Wiring Control Circuit Terminals 3.3.1 Control Circuit Terminals The control circuit terminals are located at the bottom front of the terminal block and the PCB and comprise: Analog input terminals: AI1, AI2 and AI3. Numeric input terminals: X1, X2, X3, X4, X5, X6 and X7. Numeric output terminals: Y1 and Y2. Relay output terminals: EA, EB, EC, RA, RB and RC. Analog Output Terminals: M1 and M2. Auxiliary power supply terminals: PLC, +24V, COM, +10V and GND RS485 communication interface: A+ and A-. Ground terminal: PE. See Figure 3–12 for control circuit terminal block. 39