Applications Guide Tracer Graphical Programming - Trane

®
Figures
Chapter3 Modifyingtheexhaustfanprogram .......... 29
Figure 29: Equipment room exhaust fan program . . ...............30
Figure 30: Modified equipment room exhaust fan data . . . . . . . . . . . . 31
Figure 31: Deadband function with greater than (assume cooling)
relationship...............................................32
Figure 32: Deadband function with less than (assume heating)
relationship...............................................33
Figure 33: Deadband function with centered (assume cooling)
relationship...............................................33
Figure34:ProgramwithDeadbandblock........................34
Figure35:VariablePropertiesdialogbox........................35
Figure 36: Equip Rm Temp Setpoint variable block . ...............35
Figure37:Programwithdeadband.............................36
Figure 38: Equip Rm Alarm binary variable in the design space . . . . . 37
Figure39:ProgramwithFailblock..............................38
Figure40:Programwithswitchblock...........................38
Figure 41: Program with Switch block connected. . . ...............39
Figure 42: Program compilation results in output display. . . . . . . . . . . 40
Figure43:Programwitherrorindication ........................40
Figure 44: Program with Switch block connected correctly. . . . . . . . . . 41
Figure45:ProgramwithOrblock ..............................42
Figure46:TGPprogramindebugrun...........................43
Chapter 4 Cooling tower with two-speed fan example .... 47
Figure 47: Cooling tower with two-speed fan drive data. . . . . . . . . . . . 49
Figure 48: Cooling tower with two-speed fan drive wiring diagram . . 51
Figure 49: Cooling tower with two-speed fan drive
programproperties.........................................53
Figure 50: Input blocks for the alarms module . . . . . ...............54
Figure 51: Alarms module output . . ............................55
Figure 52: Comparing the sump temperature to the alarm setpoint
andthefreezingpoint ......................................56
Figure53:Delayonstarttimingdiagram........................56
Figure54:ImplementingtheDelayonStartblock.................57
Figure55:Sumptemperaturealarmlogic .......................58
Figure56:FailPropertiesdialogbox............................58
Figure 57: Fail block added to test temperature sensors . . . . . . . . . . . . 59
Figure 58: Test for temperature sensor failure complete . . . . . . . . . . . . 59
Figure59:Latchblockintimedmode...........................60
Figure60:Latchblockinmanualmode..........................60
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CNT-APG001-EN