Set up a two wire LTS80 Lini-Temp sensor on a 7740 and 7741 DCU

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Issue

Set up a two wire LTS80 Lini-Temp sensor on a 7740 and 7741 DCU.

Environment

• 7740 DCU
• 7741 DCU
• LTS80 Lini-Temp sensor

Cause

Conversion coefficients must be set properly for correct reading of temperatures.

Resolution

For Fahrenheit:

• M = 0.17582
• B = -279.4

For Centigrade:

• M= 0.09768
• B = -173.0

Refer to TCON 097 for 10K resistor placement