Ethernet Interface
capaNCDT 6500
Page 37
6.4.3 Get Measured Data (GMD)
In the trigger mode, one measured data is transmitted per channel.
GMD
Command
$GMD<CR>
Response
$GMDOK<CRLF> + Measuring value in binary mode (format as in
operating mode “continuous transmission“)
6.4.4 Averaging Type (AVT)
Mode of measurement averaging
AVT
Command
$AVTn<CR>
Response
$AVTnOK<CRLF>
Index
n = 0: No averaging (default setting)
n = 1: Moving average
n = 2: Arithmetic average (output only each nth measured value)
n = 3: Median
n = 4: Dynamic Noise Rejection
? = Request averaging type
Request averaging type
Command
$AVT?<CR>
Response
$AVT?nOK<CRLF>
Moving average
The average value M
gl
is derived and output via the selectable number N of successive
measured values according to the following formula.
MW (k)
k=1
N
N
M =
o
∑
Fig. 35 Formula for the moving averaging value
MW
= Measuring value
N
= Number
k
= Index
Mo
= Average value
Method
Each new measuring value is added, the first (oldest) measuring value will be taken out
from the averaging.
Example with N = 7:
gets
to
Average
value
n
gets to
Average value n + 1
Arithmetic average
The average value M is derived and output via the selectable number N of successive
measuring values.
Method
Measured values are collected and averaged. The method reduces the data volume
because an average value is output only after each n
th
measuring value.
.... 0 1 2 3 4 5 6 7 8
2+3+4+5+6+7+8
7
.... 1 2 3 4 5 6 7 8 9
3+4+5+6+7+8+9
7
Summary of Contents for capaNCDT 6500
Page 67: ......