6
Switch Mode Power Supply
S8VS
Connections
■
Block Diagrams
Noise filter
AC (L)
INPUT
AC (N)
+V
−
V
DC OUTPUT
Fuse
2.5 A
Voltage
detection circuit
Photocoupler
Drive control
circuit
Overcurrent
detection circuit
Inrush current
protection cir-
cuit
Rectifier/
smoothing
circuit
Rectifier/
smoothing
circuit
Undervolt-
age indica-
tor
Overvoltage
protection
S8VS-015
@@
(15-W)
+V
−
V
DC OUTPUT
Voltage
detection circuit
Photocoupler
Rectifier/smoothing circuit
Noise filter
AC (L)
INPUT
AC (N)
Drive control
circuit
Fuse 3.15 A
Overcurrent
circuit
Current detection
circuit
Overvoltage
detection circuit
Inrush cur-
rent protec-
tion circuit
Rectifier/
smoothing
circuit
Undervolt-
age indica-
tor
S8VS-030
@@
(30-W)
S8VS-06024 (60-W)
S8VS-06024
@
(60-W)
+V
−
V
Voltage
detection circuit
Photocoupler
Rectifier/smoothing circuit
Rectifier/smoothing circuit
Rectifier/
smoothing
circuit
Noise filter
AC (L)
INPUT
AC (N)
Drive control
circuit
DC OUTPUT
Fuse 3.15 A
Overcurrent
circuit
Current detection
circuit
Arithmetic
operation circuit
Display circuit
Switch
Overvoltage
detection circuit
S8VS-06024A, S8VS-06024B
Inrush cur-
rent protec-
tion circuit
S8VS-09024 (90-W)
S8VS-09024
@@
(90-W)
+V
−
V
Voltage
detection circuit
Photocoupler
Photocoupler
Rectifier/smoothing circuit
Rectifier/smoothing circuit
Rectifier/
smoothing
circuit
Noise filter
AC (L)
INPUT
AC (N)
Drive control
circuit
Alarm
DC Low
Yrs/kh
Common
DC OUTPUT
Fuse 4.0 A
Overcurrent
circuit
Arithmetic
operation circuit
Display circuit
Switch
Overvoltage
detection circuit
Current detection
circuit
Rectifier/smoothing circuit
Arithmetic
operation circuit
Display circuit
Switch
Photocoupler
Alarm
DC Low
Yrs/kh
Common
Sinking type (S8VS-09024A, S8VS-09024B)
Sourcing type (S8VS-09024AP, S8VS-09024BP)
Inrush cur-
rent protec-
tion circuit