New S82K
New S82K
14
Operation
Undervoltage Alarm Indicator and Output Function
(All Models Except for S82K-24024/P24024)
If the output voltage at the output terminal drops to 75% to 90% of the rated voltage, the red indicator of the S82K (DC LOW indicator) will be lit. In
the case of the S82K-
j
09024/
j
10024/24024T, a voltage drop alarm will be output via the relay available in the models (DC LOW output).
Note:
This function detects the voltage at the output terminal of the Power Supply . To check the precise output voltage, measure the voltage
at the terminal of the load.
Indicator
Voltage Operation of
j
09024/
j
10024/
24024T’s output (DC LOW output)
(see note 2)
Green: DC ON
Red: DC LOW
If the voltage at the output terminal is more than 82%
of the rated voltage and operation is normal, the
green indicator will be lit and the red indicator will not
be lit.
Green: DC ON
Red: DC LOW
(see note 1)
If the voltage at the output terminal drops to below
82% of the rated voltage, the red indicator will be lit.
(See note 3.)
Green: DC ON
Red: DC LOW
If the voltage at the output terminal approaches 0 V,
both the green and red indicators will not be lit.
Note:
1. The more the voltage at the output terminal drops, the darker both the green and red indicators will be.
2. The relay contacts have a capacity of 0.1 A at 24 VDC.
3. The red indicator will actually first light at a voltage between 75% and 90% of the rated voltage.
Block Diagrams
S82K-003
jj
(3 W)
S82K-007
jj
(7.5 W, Single Output)
Fuse (1 A)
Noise filter
Inrush current
protection circuit
Rectifier
Drive c ontrol
circuit
Photocoupler
AC (L)
AC (N)
Rectifier
-- V
+V
Undervoltage
alarm
indicator
Overload
alarm
circuit
Detector
S82K-007
jj
(7.5 W, Dual Outputs)
Fuse (1 A)
Noise filter
Inrush current
protection circuit
Rectifier
Drive c ontrol
circuit
Photocoupler
AC (L)
AC (N)
Rectifier
-- V
+V
Rectifier
Undervoltage
alarm
indicator
3-terminal
REG
Overload
alarm
circuit
Detector
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