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Please take note that the electrolytic capacitor will generate heat etc. This is caused by the ripple cur-
rent generated in proportion to the load connected. Therefore, the electrolytic capacitor used must have
a ripple current allowance higher than the actual output ripple current.
When not using the remote sensing function, +S & -S terminal shall be connected to +Vm & –Vm
terminals of CN2 respectively.
Please use the attached connector of CN2 for this purpose.
This is to ensure stability and accuracy of the output.
3-8. Remote ON/OFF Control
Remote ON/OFF control is available.
Output can be remotely switched OFF by connecting an external logic high signal to CNT+ terminal
versus CNT- terminal. Apply 3 to 12V to CNT+ to turn power supply OFF. Otherwise pull low.
CNT+ Level versus CNT- terminal
0 ~ 0.8V
3 ~ 12V
CNT- terminal is internally connected to -V negative output of the power supply unit.
When not using the remote ON/OFF function, CNT+ terminal must be shorted to CNT- terminal with
the attached connector shown in 2-3.
Output
ON
OFF
5
TDK-Lambda
LS 200 Series
INSTRUCTION MANUAL
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