Programmable DC Electronic Load 63600 Series Operation & Programming Manual
4-8
4.4.1 Setting the Operation Mode
Press the
key until the desired mode is displayed on the VFD. So, when operate in
CC mode, press the
key until the VFD displays CC mode.
0 . 0 0 0 0 V
0 . 0 0 0 0 A
0 . 0 0 0 0 mW
The sequence of mode selection after pressing
key is as follows:
CC
CR
CV
CP
CZ goes back to CC
The load levels and slew rate are common to CC, CR and CP modes. CV mode sets voltage
level and current limit. There are two level settings in CC, CR, CV and CP modes for single
channel module, like the model Chroma 63630-80-60. They can be switched by the
key.
4.4.2 Setting CC Values
When operate in CC mode, the VFD displays CC mode.
0 . 0 0 0 0 V
0 . 0 0 0 0 A
0 . 0 0 0 0 mW
There are three current ranges for CC operation: high current range, middle current range,
and low current range. The current levels are programmed in milliamps at low range and in
Amps at middle range and high range. The slew rate levels are programmed in milliamps/
μs
at low range and in Amps/
μs at middle range and high range. The timings are programmed in
millisecond. The setting buffers of six CC modes and ranges are independent. Changing the
operation range doesn’t affect the settings of other ranges. The following examples show
how to set the CC values of Load module for model 63630-80-60.
1.
Select Range
Select proper range, by pressing
key, until the LED of the desired range above
the
key is lights up. High range is used when higher current level is required,
and LOW range is used when better resolution is required.
Select LOW range, by pressing
key, until the LED “L” above the
key
lights up.
The sequence of range selection after pressing
key is as follows:
MODE
MODE
MODE
A/B
RANGE
RANGE
RANGE
RANGE
RANGE
CC
CC
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