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10
2-2 Description of Terminals
1. Terminals of Main Circuit
Type
Symbol
Function
Description
Power
Source
R/L1,S/L2,T/L3
AC power
source input
terminals
Three-phase; sinusoidal power source
input terminal.
For the single-phase power source
110/220V, please connect only
R/L1,S/L2 terminals.
Motor
U/T1,V/T2,W/T3
Drive outputs
to motor
terminals
The terminals output three phase
variable frequency and voltage to motor.
Power and
Brake
P
○
+
, N
○
-
Dynamic
braking unit
connecting
terminal
The terminals between P
⊕
and
N
○
─
connect dynamic braking unit(option).
P
○
+
, PR
External
braking
resistor
connecting
terminal
The terminals between P
⊕
and PR
connect external braking resistor
(option).
Grounding
Grounding
terminal
Ground the drive in compliance with the
NEC standard or local electrical code.