Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 21
Chapter 2
Analog I/O Module Features
ControlLogix® analog input modules convert an analog signal to a digital value.
The following are example analog signal types to which input modules convert to
digital values:
• Vo l ts
• Millivolts
• Milliamps
• Ohms
ControlLogix analog output modules convert a digital value to an analog signal.
The following are example analog signal types to which output modules convert
digital values:
• Vo l ts
• Milliamps
Topic Page
Common Analog I/O Features 22
Relationship between Module Resolution and Scaling 31
Calibration 33
Calibrated Accuracy 34
Error Calculated over Hardware Range 34
RTD and Thermocouple Error Calculations 34
Thermocouple Resolution 38