ITech IT6400 Series User Manual

Basic Operation
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press the [Ok] soft key to clear OVP. If the power is under remote state,
firstly clear the protection state (by sending OUTPut: PROTection: CLEar
command) before switching on output through the OUTPut ON.
Over Current Protection (OCP)
⚫ Over current protection: the maximum output current of the power supply
will be limited to the present current set value (Iset). If OCP is triggered, the
OC position in the state register will be configured; and if the OCP is
released, the OC position in the state register will be reset.
⚫ Clear OCP: When the power supply occurs OCP, firstly cut off the DUT.
Select “Menu > System > Sys Conf” on the interface to enter the System
Menu interface. Select System Protection Clear by the Up/Down Key and
press the [Ok] soft key to clear OVP. If the power is under remote state,
firstly clear the protection state (by sending OUTPut: PROTection: CLEar
command) before switching on output through the OUTPut ON.
Over Temperature Protection (OTP)
⚫ Over temperature protection: when the internal power device is over
90°C , the over temperature protection occurs. At this time, the power
supply will be automatically OFF and the LCD will display . At the
same time, the OT and PS positions in the state register will also be
configured and kept till reset.
⚫ Clear OTP: When the power supply temperature is lowered to the
protection point, select “Menu > System > Sys Conf” on the interface to
enter the System Menu interface. Select System Protection Clear by the
Up/Down Key and press the [Ok] soft key to clear OVP. If the power is
under remote state, firstly clear the protection state (by sending OUTPut:
PROTection: CLEar command) before switching on output through the
OUTPut ON.
Reverse Polarity Protection
⚫ Reverse polarity protection: when reverse polarity occurs at the input
voltage, the power supply buzzer will sound and the VF position of the
status register will be set. The screen will display and the VF will be
kept till reset. Reverse polarity protection will not change the present
On/Off status of the power supply.
⚫ Clear Reverse polarity protection: check for reverse polarity. If so, cut off
the connector and reconnect again. Select “Menu > System > Sys Conf” to
enter the System Menu. Select System Protection Clear by the Up/Down
Key and press the [Ok] soft key on the right to clear the protection status. If
the power is under remote state, send OUTPut:PROTection:CLEar
command to clear the protection status.
Note
Only IT6431/IT6432/IT6433 power supply has the reverse polarity protection.
3.8 Digital Quantity Control Interface
The rear panel of IT6400 series power supply has a DB9 digital quantity control
interface (SYSTEM I/O), which can be used for controlling and monitoring
power supply output. Pins of SYSTEM I/O interface at the rear panel are

ITech IT6400 Series Specifications

General

Brand	ITech
Model	IT6400 Series
Category	Power Supply
Language	English