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Ascon Tecnologic - PM343 - OPERATING INSTRUCTIONS - PAG. 2

2.4 

Working Environment

If not used for a while, the product must be placed in the pack 
box before instaIIation, in order to make the product accord-
ance with the warranty of our company.  For future mainte-
nance, be sure to notice the following items when stored:

•  Storage environment must be dry and dust-free.
•  Storage temperature must be between -20 ÷ +70°C 

(-4 ÷ +140°F).

•  Storage humidity must be in the range of 10 ÷ 85%, with 

no condensation.

•  Avoid corrosive gases and liquids in the storage environment.
•  Avoid placing the product directly on the ground.

2.5 

Basic Inspection

Please do following basic checking before using the HMI.

2.5.1 

General

•  Check for loose screws.
•  The vent holes should be protected from oil, water and 

metal powder and the chip powder of the drill should be 
prevented from falling into the HMI.

•  If there are harmful gases or dust in the HMI operating 

environment, please take protective measures.

2.5.2 

Checking before installation (unpowered)

•  Carry out the electrical wiring by connecting only one 

wire to each terminal, according to the diagram, checking 
that the power supply is the same as that indicated on 
the instrument and that the load current absorption is no 
higher than the maximum electricity current permitted.

•  Communication wiring should be correct, otherwise ab-

normal operation may occur.

•  Check for external materials entering the HMI cover, 

especially for flammable substances and conductive ma-
terials such as screws, metal sheets, etc..

•  Connect the instrument as far away as possible from 

sources of electromagnetic disturbances such as motors, 
power relays, relays, solenoid valves, etc..

•  Check HMI supply voltage.

2.5.3 

Checking before running (powered)

•  Check the status of the power indicator.
•  Check if the communications between the HMI and the 

device are nomal.

Note: 

If there is any abnormality in using the touch screen or  
the panel, please contact the distributor.

2.6 

Touch Screen Calibration

After starting the HMI, keep on pressing the top left corner 
of the screen for about 3 ÷ 5 s, an interface will appear as 
following:

+

Touch panel diagnosing tool

Press the “+” Symbol

Note: Press it until long beep

Tap in sequence (where the “

+

” symbol is displayed) the 

upper left corner, the lower left corner, the lower right corner, 
the upper right corner and the center; then restart the panel.

2.7 

Parameters Setting

Keep on pressing top right corner of screen about 3 to 5 s, 
an interface will appear as following:

2.8 

Handling Precautions

 

Some part of the product are made of glass.  Do not sub-
ject it to a mechanical shock or dropping it, etc..

 

Do not apply excessive or uneven force to the product 
since this may damage the performance.

 

If the display surface is dirt, breathe on the surface and 
gently wipe it with a soft dry cloth.  If still not completely 
clear, moisten cloth with Isopropyl alcohol or Ethyl alcohol 
solvents.  Solvents other than those mentioned above may 
damage the product.  Especially, do not use Water, Ketone, 
Aromatic solvents.

 

Do not attempt to disassemble any part of the panel.

 

If the logic circuit power is OFF, do not apply the input 
signals.

 

To prevent destruction of the elements by static electricity, 
be careful to maintain an optimum work environment.

•  Be sure to ground the body when handling the panel.
•  Tools required for assembly, such as soldering irons, 

must be properly grounded.

•  To reduce the amount of static electricity generated, 

do not conduct assembly and other work under dry 
conditions.

•  The screen of the panel is coated with a film to protect 

the display surface.  Be care when peeling off this pro-
tective film since static electricity may be generated.

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