Flintec DAD143 Series User Manual

DAD 143.x User Manual Profinet Rev.1.1.1 March 2023 Page 44 of 95
The digital IIR filter operates as 2
nd
order low pass filter and Gaussian characteristics. The attenuation is
40dB/decade (12 dB/octave).
The digital FIR filter works as a low-pass filter with quick response; damping see table mode 1.
Factory default: FM = 0 (IIR filter)
9.4.2 FL Filter Settings
[Index 0x2100 Sub 0x04]
This command defines the 3dB filter cut-off frequency.
Master (PC / PLC) sends
Slave (DAD143.x) responds
Meaning
FL
F+00003
Request: FL = 3 (4 Hz)
FL 7
OK
Setup: FL = 7 (0.5 Hz)
WP
OK
Setup saved
The permitted settings are from 0 and 8 (see below table).
Factory default: FL = 3.
Mode 0 (IIR filter) Settings / Characteristic
FL
Settling time
to 0.1% (ms)
3dB Cut-off
frequency
(Hz)
Damping
@300Hz
(dB)
Output-rate*
(samples/s)
--highest--
Output-rate*
(samples/s)
--lowest--
0
-
** (Pre-Fil)
600
4.69
1
55
18
57
600
4.69
2
122
8
78
600
4.69
3
242
4
96
600
4.69
4
322
3
104
600
4.69
5
482
2
114
600
4.69
6
963
1
132
600
4.69
7
1923
0.5
149
600
4.69
8
3847
0.25
164
600
4.69
* Output-rate = 600/2
UR
samples/s
** Pre-filter 18 Hz @ 60 dB/dec
UR
0
1
2
3
4
5
6
7
Average of
2
UR
values
1
2
4
8
16
32
64
128
Output rate
600
300
150
75
37.5
18.8
9.4
4.69
(samples/s)
** Note: The pre-filter can be switched ON and OFF with the command PF settings are 0 (OFF) or 1 (ON).
- This feature can be used with ASCII communication or Ethernet/IP [Index 0x2100 Sub 0x16].
- The use is for specialists only.
Please Note: The DAD 143.x output rate is a function of the settings FM FL UR !
UR0 [= 1]
UR7 [= 128]

Flintec DAD143 Series Specifications

General

Brand	Flintec
Model	DAD143 Series
Category	Measuring Instruments
Language	English