Rockwell Automation 1769-OF2 Compact I/O Analog Modules - Manual (Page 63)

Publication 1769-UM002B-EN-P - July 2005
Module Data, Status, and Channel Configuration for the Input Modules 3-13
Effective Resolution
The effective resolution for an input channel depends upon the filter
frequency selected for that channel. The following tables provide the effective
resolution for the four frequencies for each of the range selections.
Table 3.8 50Hz / 60Hz Effective Resolution
1769-IF4
Input
Range Raw/Proportional Data
Over the Full Input Range Engineering Units Over
the Full Input Range Scaled-For-PID Over
the Full Input Range Percent
Over the Full Input
Range
Bits and
Engineering
Units
Resolution Decimal
Range and
Count Value Resolution Decimal
Range
and
Count
Value Resolution Decimal
Range
and
Count
Value Resolution Decimal
Range
and
Count
Value
-10 to
+10V dc Sign +14
0.64 mV/
2 counts ±32767
Count by 2 1.00 mV/
1 count ±10500
Count by 1 1.22 mV/
1 count -410 to
+16793
Count by 1 Not
Applicable Not
Applicable
0 to +5V dc Sign +13
0.64 mV/
4 counts -3121 to
+32767
Count by 4 1.00 mV/
1 count -500 to
+5250
Count by 1 0.92 mV/
3 counts -1638 to
+17202
Count by 3 1.00 mV/
2 counts -1000 to
+10500
Count by 2
0 to +10V dc Sign +14
0.64 mV/
2 counts -1560 to
+32767
Count by 2 1.00 mV/
1 count -500 to
+10500
Count by 1 1.22 mV/
2 counts -819 to
+17202
Count by 2 1.00 mV/
1 count -500 to
+10500
Count by 1
+4 to
+20 mA Sign +14
1.28 µA/
2 counts +4993 to
+32767
Count by 2 2.00 µA/
2 counts +3200 to
+2100
Count by 2 1.95 µA/
2 counts -819 to
+17407
Count by 2 1.60 µA/
1 count -500 to
+10625
Count by 1
+1 to +5V dc Sign +13
0.64 mV/
4 counts +3121 to
+32767
Count by 4 1.00 mV/
1 count +500 to
+5250
Count by 1 0.73 mV/
3 counts -2048 to
+17407
Count by 3 0.80 mV/
2 counts -1250 to
+10625
Count by 2
0 to +20 mA Sign +14
1.28 µA/
2 counts 0 to +32767
Count by 2 2.00 µA/
2 counts 0 to
+21000
Count by 2 2.44 µA/
2 counts 0 to
+17202
Count by 2 2.00 µA/
1 count 0 to
+10500
Count by 1