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3-3. DS3-PTA series
3-3-1. Main circuit wiring
3-3-1-1. The terminal arrangement
3-3-1-2. Main circuit terminals
DS3-20P2-PNA, DS3-20P4-PNA, DS3-20P7-PTA
Terminal
Function
Explanation
L1/L2/L3
Power supply input of
main circuit
Single or 3 phase AC 200
～
240V,
50/60Hz
Note: if using single phase 220V, please
connect L1, L3 to the power supply,
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 wire is on the cooling
fin, do not connect to P+ or P-, please
check it before power on.
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,
L1
L2
.
U
V
W
P+
D
C
P-
L3