155
ELSPEC
G
G
4
4
K
K
F
F
i
i
x
x
e
e
d
d
P
P
o
o
w
w
e
e
r
r
Q
Q
u
u
a
a
l
l
i
i
t
t
y
y
A
A
n
n
a
a
l
l
y
y
z
z
e
e
r
r
U
U
S
S
E
E
R
R
&
&
I
I
N
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
I
I
O
O
N
N
G
G
U
U
I
I
D
D
E
E
FFT Mode
The FFT Mode is a built-in capability applicable only to the G4430 BLACKBOX. The
sampling rate for the G4430 is 1,024 samples per cycle for Voltage & 256 samples
per cycle for Current. Or alternatively, the sampling rate may be switched to 512
samples per cycle for Voltage & 512 samples per cycle for Current.
CONFIGURING THE FFT MODE
Access G4K PQZIP Configuration via the PQZIP Recording Tab
In the PQZIP Configuration section, go to the FFT Mode & from the drop-
down selection select the applicable Ratio:
Select:
File Capacity: Used f or s etting compression a t every: 5 min; 30min;
60min; 90min; 120min & 150min (Increased frequency will produce more
files - therefore set the frequency according to your network capacity)
FFT Mode: The sa mpling r ate set ting r eflected f rom t he d rop d own
selection is half of the actual sampling rate - V:512 I:128 & V:256 I:256.
To set your sampling rate select:
V:512 I:128 for actual 1,024 (Vol tage) & 256 (C urrent) s amples
per cycle
V:256 I:256 for actual 512 (Voltage) & 512 (Current) samples per
cycle
To apply your changes select
You will receive the following success message:
To view your changes (refresh your current view) select
www.GlobalTestSupply.com
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