GFK-1504K
Chapter 10 Analog Input Modules
10-41
10
IC200ALG263
Analog Input Module, 15 Bit Voltage 15 Channels
Scaling
The graphs below show the relationship between the input voltage measured at the field
terminals and the data that is output by the module.
Count and Input Voltage
Voltage
12
10
8
6
4
2
0
-2
-4
-6
-8
-10
-12
-32768 -16384 0 +16383 +32767
Count
0mV
0.3125mV
2
1
0
-1
-0.3125mV
0.625mV
0.3125mV = 1 counts
The following equation can be used to calculate count values:
Counts = ( Input Voltage ) x (32000 / 10V
)
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