Resolution and accuracy, Input map, Resolution and accuracy input map – Rockwell Automation 1797-IJ2 FLEX Ex Frequency Input Module User Manual
Page 13: Flex ex frequency input module 13 publication
FLEX Ex Frequency Input Module 13
Publication
1797-5.9 - June 2010
Resolution and Accuracy
Input Map
Accuracy
Minimum
Frequency
Sampling
Time in ms
Sampling
Accuracy
Time Base
Accuracy
Worst Case
Accuracy
Deviation in Hz Due to
Total Accuracy
Resolution
(%)
1.0…3276.7
Freq. Range
(Hz)
1…32767
Freq.
Range (Hz)
2
+0.02%
+0.0225%
+0.0425%
+0.1
…
1.4
+1
…
14
0.01%
4
+0.01%
+0.0225%
+0.0325%
+0.1
…
1.1
+1
…
10
0.005%
5
+0.008%
+0.0225%
+0.0305%
+0.1
…
1.0
+1
…
10
0.004%
10
+0.004%
+0.0225%
+0.0265%
+0.1
…
0.9
+1
…
9
0.002%
20
+0.002%
+0.0225%
+0.0245%
+0.1
…
0.8
+1
…
8
0.001%
50
+0.0008%
+0.0225%
+0.0233%
+0.1
…
0.8
+1
…
8
0.0004%
100
+0.0004%
+0.0225%
+0.0229%
+0.1
…
0.8
+1
…
8
0.0002%
200
+0.0002%
+0.0225%
+0.0227%
+0.1
…
0.7
+1
…
7
0.0001%
500
+0.00008%
+0.0225%
+0.02258%
+0.1
…
0.7
+1
…
7
0.00004%
1000
+0.00004%
+0.0225%
+0.02254%
+0.1
…
0.7Hz
+1
…
7
0.00002%
Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Word
Read
0
Frequency 0…32,767 or 0.0…3,276.7 Channel 0
1
% Full Scale 0.0
…
3,276.7% Channel 0 or Acceleration -32,768
…
32,767 Channel 0
2
Frequency 0
…
32,767 or 0.0
…
3,276.7 Channel 1
3
% Full Scale 0.0
…
3,276.7% Channel 1 or Acceleration -32,768
…
32,767 Channel 1
4
R
R
Direction
Ch 0
GS
Ch
0
F/A
Ch 0
WO
Ch 0
MPA
Ch 0
R
R
Direction
Ch 1
GS
Ch
1
F/A
Ch
1
WO
Ch
1
MP
A
Ch 1
5
Reserved
Diagnostic Status
Channel 0
Reserved
Diagnostic Status
Channel 1
6
Reserved
Where:
GS = Gate state
F/A = Frequency/Accel alarm
WO = Wire-off alarm
MPA = Missing pulse alarm
R = Reserved