17
3-1-1-2. Main circuit terminals
DS3-20P2-PQA, DS3-20P4-PQA, DS3-20P7-PQA
Terminal
Function
Explanation
L1/L2/L3
Power supply input of
main circuit
Single or 3 phase AC 200
～
240V,
50/60Hz
Note: for single phase 220V, connect
power supply to L1, L3, otherwise it will
affect the power-off retentive function
●
Vacant terminal
-
U, V, W
Motor terminals
Connect the motor
Terminal
Color
U
brown
V
black
W
blue
PE
Yellow green
Note: the ground line is on the cooling
fin, please check it before power on! Do
not connect to P+ or P-!
P+, D, C
Internal regenerative
resistor
Short P+ and D, disconnect P+ and C, set
P0-24=0
External regenerative
resistor
Connect regenerative resistor between P+
and C, disconnect P+ and D, set P0-24=1,
P0-25= power value, P0-26= resistor
value (see chapter 3-4)
P+/P-
Bus terminal
Real-time check the bus voltage, please
take attention of this terminal
DS3-21P5-PQA, DS3-22P3-PQA, DS3-41P5-PQA
Terminal Function
Explanation
R/S/T
Power supply input of
main circuit
DS3-21P5/22P3-PQA
3 phase AC 200
～
240V, 50/60Hz
Note: for single phase 220V, connect
power supply to terminal R, T, otherwise
it will affect the power-off retentive
function.
DS3-41P5-PQA
3 phase AC 360~400V, 50/60Hz
●
Vacant
-
U, V, W
Motor terminals
Connect the motor
Terminal
Color
U
brown
V
black
W
blue
PE
Yellow green
P+, D, C
Internal
regenerative
resistor
Short P+ and D, disconnect P+ and C,
set P0-24=0
External
regenerative
resistor
Connect regenerative resistor between
P+ and C, disconnect P+ and D, set
P0-24=1,
P0-25=power
value,
P0-26=resistor value (see chapter 3-1-4)
Ground
Connect to ground terminal of motor,
then connect to the ground
L1
L2
.
U
V
W
P+
D
C
P-
L3
R
S
T
.
U
V
W
P+
D
C