B&B Electronics ZXT9-IOA-KIT - Manual - Manual (Page 67)

Appendix F: Convert Voltage/Current to DAC
Manual Documentation Number: ZXTx-IO-x-4113m 61
Input Register Value = Actual Voltage * 65536 / 5
(ex) Input register value for 2.5V = 2.5 * 65536 / 5 = 32768
7. Analog Input (0-20 mA Selection):
Voltage Full Range = 0-20 mA
DAC full range is 65536 counts as AI’s are 16 Bit (0-65,535 range), 65,536
Input Register Value = Actual Current * 65536 / 20
(ex) Input register value for 10 mA = 10 * 65536 / 20 = 32768
8. Analog Input (4-20 mA Selection):
Voltage Full Range = 4-20 mA
DAC full range is 65536 counts as AI’s are 16 Bit (0-65,535 range), 65,536
Input Register Value = (Actual Current – 4)* 65536 / 16
(ex) Input register value for 10 mA = (10-4) * 65536 / 16 = 24576