Wiring The Main Circuit - Omron VS mini J7 User Manual

Wiring the Main Circuit

• Main circuit input power supply
Always connect the power supply line to
input terminals R/L1, S/L2, and T/L3
[R/L1, S/L2 for single-phase inverters].
Never connect them to terminal
U/T1,V/T2,W/T3, –, +1, or +2.
Otherwise the inverter may be damaged.
For single-phase inverters, always
NOTE
use terminals R/L1 and S/L2. Never
connect to terminal T/L3.
• Grounding (Use ground terminal
Make sure to ground the ground terminal
according to the local grounding code.
Never ground the VS mini in common
with welding machines, motors, or other
electrical equipment.
When several VS mini units are used
side by side, ground each unit as shown
in examples. Do not loop the ground
wires.
GOOD GOOD
24
1 L 2 L 3
L
.)
POOR
• Inverter output
Connect the motor terminals to U/T1,
V/T2, W/T3.
Wiring the main circuit terminals
Pass the cables through wiring hole and
connect. Be sure to mount the cover in
its original position.
Connect with a Phillips (plus) screwdriver.
[Example of 3-phase,
200V class, 1.5kW
inverters]