Applications Guide Tracer Graphical Programming - Trane
Applications Guide Tracer Graphical Programming - Trane Applications Guide Tracer Graphical Programming - Trane
® Chapter 4 Cooling tower with two-speed fan example Table 5: Cooling tower with two-speed fan drive data definition (continued) Data Type Name Notes Variables Analog Supply Temp Setpoint Source set to operator display/service tool Sump Heater Setpoint Source set to operator display/service tool Sump Alarm Setpoint Source set to operator display/service tool Binary Pump Fail Source set to program Alarm Reset Source set to operator display/service tool and program* * The binary variable, Alarm Reset, is sourced from both the operator display/service tool and the program. This allows the user to turn on the Alarm Reset variable, and once the alarm is reset, the program turns the Alarm Reset variable off. Before you write the program, configure these inputs, outputs, and variables in your Tracer MP580/581 controller. Then open the TGP editor. 50 CNT-APG001-EN
® Reviewing the sequence of operation Figure 48: Cooling tower with two-speed fan drive wiring diagram CNT-APG001-EN 51
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®<br />
Chapter 4 Cooling tower with two-speed fan example<br />
Table 5: Cooling tower with two-speed fan drive data definition (continued)<br />
Data Type Name Notes<br />
Variables Analog Supply Temp Setpoint Source set to operator display/service tool<br />
Sump Heater Setpoint Source set to operator display/service tool<br />
Sump Alarm Setpoint Source set to operator display/service tool<br />
Binary Pump Fail Source set to program<br />
Alarm Reset<br />
Source set to operator display/service tool and program*<br />
* The binary variable, Alarm Reset, is sourced from both the operator display/service tool and the program. This allows the user<br />
to turn on the Alarm Reset variable, and once the alarm is reset, the program turns the Alarm Reset variable off.<br />
Before you write the program, configure these inputs, outputs, and variables<br />
in your <strong>Tracer</strong> MP580/581 controller. Then open the TGP editor.<br />
50 CNT-APG001-EN
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