B&B Electronics PPIO manual

Page 31

Heat and the Air. See line 230. If IB is equal to two then the 72 degree thermostat is on and the 78 degree one is off. At this time we want both the Heat and the Air off. See line 260. If IB is equal to 3 then both thermostats are on and the temperature must be above 78 degrees. Line 280 turns on the Air Conditioner.

Figure 5

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PPIO2899 Manual

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

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Contents Not Recommended for New Installations Table of Contents Introduction Packing List PC Parallel Port Description Page BIT PPIO2899 Manual Ppio Description & Connection PPIO2899 Manual Controlling the Ppio Using Gwbasic Bit Force I/O on Force I/O OFF Low High Page Begin Controlling the Ppio Using PascalElse Mask Value Function OutputBit BitNumberBYTE Byte Procedure SetOutputBit BitNumber,OutputBYTE XOR Controlling the Ppio Using C Void SetIRQOffvoid Outport ControlAddress Mask Value Page Page New PPIO2899 Manual Page Interfacing to the Ppio PPIO2899 Manual Example USE of the Ppio Page REM IB is the Input Byte and OB is the Output Byte Appendix Hexadecimal NumbersBinary Numbers
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