Instruction manual

- 5 -
3. Power Connection and Grounding :
(1). Single phase and three phase connection :
Green/yellow wire is the ground wire.
(2). How to connect a 1Φ / 220 V power from a 3 Φ / 380 V power source :
1. When a three phase 220 V servo motor used on single phase 200 ~ 240 V power, only connect brown
and blue wires. Use insulating tape to wrap up the black wire for safety.
2. Green / Yellow wire must be grounded well.
Caution：If the system have no Neutral point, then this servo motor is not suitable for
this connection.
R
S
T
N
PE
Grounding system G G G
1ψ220V
Motor
1ψ220V
Motor
1ψ220V
Motor
L1 L1 L1
L2
L2
L2
Neutral
Caution: Must have a Neutral point
380V
380V
220V
220V
220V
380V
Single Phase
PVC Cable
Brown wire
Blue wire
Green/Yellow wire
Brown
Black
Blue
Green
/ Yellow
OFF ON
Three Phase
To control box
If used to single phase
(220 V), don’t connect
the black wire.