(4) Power supply requirements:
TH series touch screen use DC +24V power supply only. The permitted voltage range is 20V~28V.
The connection is as below:
Besides, if connect high voltage or AC power supply with TH, the TH may be damaged and cause
electric shock to human body.
NOTE: if use the DC +24V output of PLC to drive the TH, make sure the PLC has enough current
to drive the TH.
(5) Maintenance and cleaning
l Please do not open the back cover by yourself.
l Please do not analyze or change TH by yourself
l Please cut off all the power supply while observing the TH.
l Please do not touch terminals after power on, otherwise it may cause electric shock.
l Do not hot plug the cable or pull the cable when communicating, it may destroy the cable.
l Please periodic check installation and screws to avoid falling off.
l Please use TH series touch screen in the certain conditions according to instructions.
l Keep the cleanness of touch area, in order to keep touch sensitivity.
l Please use clean cloths with little detergent or alcohol to clean the screen.
l Neutral detergent, without acid, alkali is recommended.
l Keep the TH away from thrill or strong corrosive gas
l Never use spray detergent.
l Avoid damage to the screen, please do not touch the screen too hard while wiping.
+24V0 V
+DC-
Caution
Maintenance
Clean
Caution
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