Chapter 4. ProgrammingTransPort ® PT900 User’s Manual 814.7.2 Programming the INPUTS TabThe INPUTS tab (see Figure 86 below) enables the user to specify the parametersfor the energy supply temperature, the energy return temperature and the fixedtemperature, based on your previous programming choices in the ENERGY tab.Figure 86: The Inputs MenuTo configure ANALOG INPUTS A, proceed as follows:1. If either the SUPPLY TEMPERATURE or the RETURN TEMPERATURE hasbeen set to ACTIVE INPUT A in the ENERGY tab, this will be the defaultvalue shown in the FUNCTION box. Enter the correct ZERO and SPANvalues in the appropriate boxes.2. If neither the SUPPLY TEMPERATURE nor the RETURN TEMPERATURE hasbeen set to ACTIVE INPUT A in the ENERGY tab, Off is the default valueshown in the FUNCTION box. No further action is required, unless the userchooses to change the default entry via the drop-down list. Only thenwould ZERO and SPAN values be required.
