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Programmable AC/DC Electronic Load 63800 Series Operation & Programming Manual
d. If users set CF=3 and PF=0.7, however the allowable PF value reasonable range under
CF=3 is from 0.219 to 0.593. The system will use a loading with a PF value close to the
allowable PF value, in this case a PF value of 0.593 will be used.
Example 2: (when the priority is PF and the output voltage of UUT is
200V
)
rms
a. If users set PF=0.8 and CF=3, however the allowable CF value reasonable range under
PF=0.8 is from 1.750 to 2.153. The system will use a loading with a CF value close to
the allowable CF value, in this case a CF value of 2.153 will be used.
b. If users set PF=0.8 and CF=1.5, however the allowable CF value reasonable range under
PF=0.8 is from 1.750 to 2.153. The system will use a loading with a CF value close to
the allowable CF value, in this case a CF value of 1.750 will be used.
c. If users set PF=0.5 and CF=5, however the allowable CF value reasonable range under
PF=0.5 is from 2.157 to 3.552. The system will use a loading with a CF value close to
the allowable CF value, in this case a CF value of 3.552 will be used.
d. If users set PF=0.5 and CF=1.5, however the allowable CF value reasonable range under
PF=0.5 is from 2.157 to 3.552. The system will use a loading with a CF value close to
the allowable CF value, in this case a CF value of 2.157 will be used.
3.4.7 I
(max) Setting and Automatic Bandwidth
p
Adjustment (ABA) Mode
I
(max) has to be set for all modes and it has two functions: the 63800 Electronic Load uses
p
the value I
(max) set as the reference for testing UUT's impedance, in addition it is the
p
maximum current limit for normal loading. Every time the voltage is gone and appears again
(for instance power recovery after changing the UUT), the I
Electronic Load will pop up a window shown as below when the voltage is gone if I
not been set. The below window requests users to enter the I
value. When users want to change the value I
edit page, then to key in value you want and then press ENTER key. If the value is the same
as the last time, please press LOAD ON/OFF key to sink a loading current directly.
< E N T E R > : Y E S
If YES, please press ENTER key, then you need to re-enter the I
I
(max), the loading will be ON automatically without pressing the LOAD ON/OFF key.
p
3-10
U U T
P O W E R
W a s
U U T
t y p e
< L O A D
(max) has to be reset. 63800
p
(max) value with the previous
p
(max), please press ENTER key to enter the
p
L O S S ! ! !
c h a n g e d ?
O N / O F F > : N O
(max). After entering the
p
(max) has
p
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