Chapter 5—Input/Output Capabilities 63230-300-212
Analog Inputs April 2001
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Figure 5–2 shows an analog input example.In this example, the analog input
has been configuredas follows:
Upper Limit: 500
Lower Limit: 100
Units: psi
Tab l e 5–2 shows circuit monitor readings at variousinput currents.
Figure 5–2: Analog input example
Tabl e 5–2: Sample register readings for analog inputs
Input Current (mA) Circuit Moni tor Reading (psi)
3 (invalid) 100
4100
8200
10 250
20 500
21 (invalid) 5 00
Analog Input Example
500 psi
Circuit Monitor
Reading
100 psi
Input Current
4 mA 20 mA
Upper
Limit
()
()
()
Lower
Limit
Maximum
Input Current
Minimum
Input Current
()