Manufacturer Specific Profile Area
CAN-CBX_Pt100
Manual • Doc.-No.: C.3032.21 / Rev. 1.1
Page 101 of 120
SR
SR/n
(100 Hz)
(25 Hz)
/n
n
(4)
G
VAL
OUT
VAL
IN
8.11.4 Accu N (2402
h
)
Index
Sub-
index
Description
Value range
Default
Data type
Access
mode
2402
h
0
Number_of_entries
4
4
unsigned 8
ro
1
accu_count_1
0...8
0
unsigned 8
rw
2
accu_count_2
0...8
0
unsigned 8
rw
3
accu_count_3
0...8
0
unsigned 8
rw
4
accu_count_4
0...8
0
unsigned 8
rw
Description of the parameter accu_count_x (x = 1...4):
This parameter defines the number of analog values to be added. The parameter accu_count reduces
the data rate while improving the resolution.
The number of accumulations is:
n ... Number of accumulations
(
)
n
accu count x
=
2
_
_
Up to 256 values can be summed up.
Features:
• Filter with decimation
• Improvement of the resolution
• Reduction of the data rate
The data rate of the analog value is calculated as:
(object 6114
h
)
T
T sampling ADC
Data
n
=
×
2
_
_
Description of the Filter:
SR ... sample rate (e.g.:100 Hz)
n ...
number of additions (e.g.:4)
SR/n... sample rate/ number of summations
(e.g.:25 Hz)
( )
(
)
Val
t
n
Val
t
n
x
OUT
IN
x
n
=
− +
=
H
1
1