Yaskawa SGDB - Manual (Page 46)

BASIC USES OF Σ-SERIES PRODUCTS
2.3.2 Main Circuit Wiring and Power ON Sequence
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2.3.2 Main Circuit Wiring and Power ON Sequence
The following diagram shows a typical example of wiring the main circuit for Σ-Series
products:
1MCCB: Circuit breaker (for inverter type)
FIL: Noise filter
1MC: Contactor
1Ry: Relay
1PL: Lamp for display
1SUP: Surge suppressor
1D: Flywheel diode
(Alarm lamp)
Main circuit
power
Main circuit power
Three-phase 200 to 230 VAC (50/60 Hz) + 10%
–15% SERVOPACK
SGDB-jjADj
The following table shows the name and description of each main circuit terminal:
Terminal
Symbol
Name Description
R, S, T
Main power input
terminals
Three-phase 200 to 230 VAC , 50/60Hz + 10
–15
%
U, V, W
Motor connection
terminal
Used to connect motor
r, t
Control power
input terminals
Single phase 200 to 230 VAC , 50/60Hz + 10
–15
%
×2 Ground terminal Connected to earth. (For power ground and motor ground).
P, B
Regenerative
resistor unit
connection
terminal
Normally, external connection is not required.
P1, B
Regenerative
resistor unit
connection
terminal
Terminal used to connect regenerative resistor for
SERVOPACK with power capacity more than 6 kW.
N
Main circuit minus
side terminal.
Normally, external connection is not required.
Note P1 terminal is not available for SERVOPACK with power capacity less than 5 kW.
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