Load On/Off; Protection Features - Chroma 63200 Series Operation & Programming Manual

High Power DC Electronic Load 63200 Series Operation & Programming Manual
3.10

Load On/Off

A module's input can be toggled on/off through the blue
panel, or the remote control.
rate.
Turning off the load does not affect the programmed setting. The load will return to the
previous programmed values when the Load is turned on again.
3.11

Protection Features

The load includes the protection features: Over power, Over temperature, Fan fail, and
Abnormal Alarms for Reverse Voltage and Over Voltage.
The appropriate bits in the Load status registers are set when any of the protection features or
alarm listed above is active. The Load's buzzer will beep sound to inform you till protection
or alarm status is reset. When any of the protection or alarm occurs, the Load input will turn
off.
Over voltage
The over voltage alarm circuit is set at a level slightly above the voltage range specified
in the Load specification. The over voltage status register bit is set when the OV
condition occurs and will remain set till it is reset. The Load will appear OVP as below
when over voltage alarm occurs.
Over current
When Load is operating in CR or CV mode, it is possible to attempt to sink current more
than it is rated for. The limit level of current is set at a level slightly above the current
of the Load. The over current status register bit is set when the OC condition occurs,
and will remain set till it is reset. The Load will appear as below when over current
protection occurs.
Over power
The over power protection circuit is set at a level slightly above the power range
specified in the Load specifications. The over power status register bit is set when the
OP condition occurs, and will remain set till it is reset. The Load will appear as below
when over power protection occurs. This protection will be activated also if the power
3-14
The on/off change for input is done according to the slew
PROTECTION
OVP
PROTECTION
OCP
key on the front
LOAD ON/OFF