YASKAWA LA500, Technical Manual

Page: 49 / 376

Electrical
Installation
3
3.3 Main Circuit Wiring
YASKAWA SIEPYEULA5001C LA500 Technical Manual 49
Figure 3.10 Configuration of Main Circuit Terminal Block (Three-Phase, With a Built-in EMC Filter)
◆
Main Circuit Terminal Functions
Table 3.1 Main Circuit Terminal Functions
Terminal Name
Function
Model 4009 - 4045
R/L1
Main circuit power supply input
To connect a commercial power supply.
S/L2
T/L3
L/L1
-
N/L2
U/T1
Drive output To connect a motor. V/T2
W/T3
+1
DC reactor connection Remove the jumper between ter1 and +2 to connect a DC reactor.
+2
B1
Braking resistor connection To connect a braking resistor or braking resistor unit.
B2
Ground Wiring
To ground the drive.
• 400 V: C class grounding (ground to 10 Ω or less)
◆
Wire Selection
Select the correct wires for main circuit wiring.
Refer to Main Circuit Wire Gauges and Tightening Torques on page 114 for wire gauges and tightening torques as
specified by European standards.
◆
Main Circuit Terminal and Motor Wiring
This section outlines the various steps, precautions, and checkpoints for wiring the main circuit terminals and
motor terminals.