Emerson ITR manual Logging, Alarms, Graphical Displays-Advanced Graphic Control Only

Local Monitoring Systems

3.6Logging

•Alarm history log: The Advanced Microprocessor displays the 10 most recent alarms. The Advanced Microprocessor with Graphics displays the most recent 60 alarms. Both provide a time and date stamp for each event

•Run time log: Displays run time and hours for major components (also allows reset of run hours) including compressors, GLYCOOL, fan, humidifier, and reheat.

3.7Alarms

•	Humidifier Problem	•	Low Suction Pressure
•	High Head Pressure	•	Short Cycle
•	Change Filter	•	Loss Of Power
• Loss of Air Flow			Custom Alarm (Maximum of Four)
•	High Temperature
			•	Water Under Floor
•	Low Temperature		•	Smoke Detected
•	High Humidity		• Standby GC Pump On
•	Low Humidity		• Loss Of Water Flow
•	Compressor Overload—Optional		•	Standby Unit On
•	Main Fan Overload—Optional		•	User-Customized Text

Figure 3 Microprocessor control systems

Advanced Microprocessor w/Graphics Control	Advanced Microprocessor Control System.
System—Optional. Backlit 240 x 128 dot matrix	Backlit 4 x 20 Liquid Crystal Display.
graphics display.

3.8Graphical Displays—Advanced Graphic Control Only

•Individual plots of temperature, humidity and the four analog inputs.

•Bar graph plots of individual component run history by hour.

•Floor plan of optional water detection system layout including on alarm.

Status indication of operating modes with current temperature and humidity.

Figure 4 Optional Views With Advanced Graphics

The runtime screen provides data in either tabular or easy-to-read graphic formats.

Histograms–historical depictions–of temperature or humidity can be displayed on the screen for analysis. This is especially helpful in tracking the environmental factors of an alarm.

6