YASKAWA SGD7S-****20A Series Product Manual page 110

4.3 Wiring the Power Supply to the SERVOPACK
4.3.4 Power Supply Wiring Diagrams
• Wiring Example for DC Power Supply Input: SGD7S-330A, -470A, -550A, -590A, and
-780A
4-20
R T
1QF
A
1FLT
2KM
1KM
1Ry
ervo power ervo power
ON OFF
1KM
1KM 1Ry
1QF: Molded-ca e circuit breaker
1FLT: Noi e Filter
1KM: Magnetic Contactor
(for control power upply)
2KM: Magnetic Contactor
(for main circuit power upply,
auxiliary contact)
1FU: Fu e, po itive ide
2FU: Fu e, negative ide
1Ry: Relay
2Ry: Relay (for inru h current
uppre ion re i tor witch)
1TRy: Timer relay
1PL: Indicator lamp
ERVOPACK
1FU
B1/
1R
AC/DC
2
2FU
1TRy
2Ry
4 A
L1C
AC/DC
L2C
L1
(For ervo alarm
L2
di play)
L
1PL
B2
1
1KM
+24 V
1 A
2KM
2 A
1 A: urge Ab orber
2 A: urge Ab orber
A: urge Ab orber
4 A: urge Ab orber
5 A: urge Ab orber
1D: Flywheel diode
1R: External inru h current
uppre ion re i tor
+
+24 V
CN1
1Ry
ALM +
4 −
1D 0 V
ALM
2Ry
1TRy 0 V
5 A