Set The Internal Resistance; Set The Output-On/Output-Off Delay; Protection Function For Power Supply - ITech IT-M3900D Series User Manual

4.4.2 Set the Internal Resistance

This series instrument provides internal resistance setting (CV priority mode on-
ly). The procedures are shown as below.
1. Press the composite keys [Shift]+[V-set] (Config) on the front panel to enter
2. Rotate the knob to select Output Res and press [Enter] to confirm.
3. Set the internal resistance value and press [Enter] to confirm.

4.4.3 Set the Output-On/Output-Off Delay

You can set the output-on/output-off delay time within the range from 0.001 sec-
onds to 60 seconds.
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The procedures to set the output delay time are as follows.
1. Press the composite keys [Shift]+[V-set] (Config) on the front panel to enter
2. Rotate the knob to select On Delay or Off Delay, and press [Enter] to
3. Set the output-on/output-off delay time and press [Enter] to confirm.

4.5 Protection Function for Power Supply

This series instrument provides the general protection functions such as over-
voltage, overcurrent, overpower, undercurrent and undervoltage protection. The
corresponding protection parameters can be configured in the Protect menu. In
a. Press the [V-set] key on the front panel to set the output voltage val-
ue Vset.
b. Press the [I-set] key on the front panel to set the current upper limit
Ilim, and the current lower limit is 0.
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CC priority
a. Press the [I-set] key on the front panel to set the output current value
Iset.
b. Press the [V-set] key on the front panel to set the voltage upper limit
Vlim, and the voltage lower limit is 0.
the configuration menu.
On Delay: Indicates from the time that a command to turn on the output is re-
ceived until the output actually turns on.
Off Delay: Indicates from the time that a command to turn off the output is re-
ceived until the output actually turns off.
the configuration menu.
confirm.
Copyright © Itech Electronic Co., Ltd.
Power Supply Function
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