TDK-Lambda G10-500 - 3.3.4 Foldback Protection

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3.3.4 Foldback Protection
Foldback protection will shut down the power supply output if power supply operation mode
crosses over from CC to CV or from CV to CC, according to a selected operation mode.
There are three states of Foldback protection.
• OFF (default)
• CV
• CC
For CC (or CP) to CV protection mode, the setting should be CV.
For CV (or CP) to CC protection mode, the setting should be CC.
Setting the Foldback Protection
The Foldback can be set when the power supply output is Enabled (On) or Disabled (Off).
1. Press the PROT button. PROT (GREEN) LED illuminates.
2. Rotate Voltage encoder until FOLD OFF Appears.
3. Rotate the Current encoder to set the required Foldback state (CV or CC).
4. Press the Current encoder for selection of Foldback state. The display blinks once to
acknowledge the setting.
If the CC state is selected, the FOLD I indicator appears on the display.
If the CV state is selected, the FOLD V indicator appears on the display.
5. To turn off the Foldback protection, select FOLD OFF, following the same procedure above.
Foldback indicator disappears from the display.
6. Exit the PROT menu by pressing the Back button or the PROT button.
7. Set the Foldback delay time by rotating the Voltage encoder until FLD.DL appears.
The delay can be set by the Current encoder between 0.1~25.5sec.
8. Press the Current encoder to select the required delay.
The display blinks once to acknowledge the setting.
9. Exit the PROT menu by pressing the Back button or the PROT button.
3.3.4.1 Activated FOLD Alarm
When the Foldback is activated the power supply output shuts off. The display shows FOLD FAULT,
and the alarm LED blinks with 1/2 Hz frequency.