2.3.3 - Buttons
The 6 keys on the interface are used to change the parameters, acknowledge faults, and switch the unit on or off. The operation of
these keys is described below.
Button
Description
Esc
Used to go up one level in the menu tree and access the machine status menu from the general menu
This button is used to view the faults on the display and indicates the presence of a fault:
Prg +
Acknowledgement of a fault.
This key has several functions:
1. to manage the masks on the display (next mask)
2. to go to the next line in the menu
3. to adjust the values of the monitoring parameters (decrease)
This key has several functions:
1. to manage the masks on the display (previous mask)
2. to go to the previous line in the menu
3. to adjust the values of the monitoring parameters (increase)
Prg +
Switches the unit on.
Prg +
Switches the unit off.
Used to validate the data entered and go into a menu.
It is continuously backlit to indicate when the power is on
2.4 - Touchscreen terminal
The terminal supplied is equipped with a 4.3" touchscreen display. It is connected to connector J15 on the PLC via a telephone cable.
It is used to modify the programme parameters and view the machine state
2.4.1 - Overview
The home screen shows an overview of the operation of the machine. Only the components present in the machine are visible.
Return or room air
temperature
Exhaust flow rate
Intake flow rate
Fresh air temperature
Supply air temperature
Supply air duct pressure
2 - THE CONTROL PLC
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