GFK-1504N Chapter 12 Analog Mixed I/O Modules 12-23
IC200ALG432
Analog Mixed Module, 12 Bit ± 10 V DC Input 4 Channels and Output 2 Channels
Scaling
The following graphs illustrate the relationship between the voltage applied at
the field terminals and the data values for the module.
Count vs Input Voltage
12
10
8
6
4
2
0
-2
-4
-6
-8
-10
-12
0 8192 16384 24576 32767
Count
The following equation can be used to calculate counts values:
Counts = (Voltage In) x (3200)
The count value is returned as a multiple of 8. A voltage that would return a
count value (using the above equation) that is not a multiple of 8 will return the
next highest multiple of 8.
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