Container Refrigeration Unit Operating Instructions

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TOPIC 15 CONTROLLER MONITOR
The controller monitor program displays the activity of the controller data. This program allows the user to view the
controller data in real time to enable an overview of the container unit operation to be obtained when trouble shooting.
The following screen is displayed when this option i s chosen.
The following is a summary of the options available in Controller Monitor program.
<S> Sensors -- Displays the current value of the controller sensors.
<P> Switches/Protectors -- Displays the current value of the container unit internal protectors and switches.
<O> Outputs -- Displays the current value of the controller outputs.
<M> Misc. -- Displays the current setpoint and SMV values.
<U> Update -- Allows the user to modify the monitor update interval. The controller data is r ead every “x” seconds and
the screen is updated with the latest data values. The default update interval is 8 seconds. The interval range is 2 to 3600
seconds.
<F> Record Filename -- Allows the user the ability to store the controller data into a log file. The log file is compatible
with most spreadsheet programs (i.e., MS--Excel and Lotus). Prior t o entering t he filename, move through the sensors,
switches, outputs, misc. menu boxes, and select the controller variables to store in the log file. The variables selected
will have a check mark displayed next to them.
After selecting the controller variables, t he user will enter a filename which is compatible with the DOS operating
system requirements for filenames. The user then enters the updated log file interval. The controller data is read every
“x” seconds and t he log file is updated with the l atest values. This update interval range is 2 to 3600 seconds.
<HOME> Record Now -- Allows the user to store the current controller values into t he log file.
<H> Help -- Allows access t o the help file.
<ESC> Exit -- Allows the user to exit the monitor program and r eturn to the DataView program.