GE VersaMax Manual page 325

10
IC200ALG261
Analog Input Module, 15 Bit Differential Voltage 8 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.
Voltage
12
10
8
6
4
2
0
-2
-4
-6
-8
-10
-12
-32768
The following equations can be used to calculate count values:
Counts = ( Input Voltage ) x (32000 / 10V
Operating Range
The operating range for the IC200ALG261 module is shown in the following graph.
10-28 VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
-16384 0 +16383
Count
30
20
10
0
-10
-20
-30
-15 -10 -5
0.3125mV = 1 counts
-0.3125mV
+32767
)
0 5 10 15
Input Voltage
0.625mV
2
0.3125mV
1
0mV
0
-1
GFK-1504K