Siemens SIMATIC ITC1200 V3 - Notes on the Capacitive Touch Screen; General Information

Operating the device
4.2 Notes on the capacitive touch screen
ITC V3, ITC V3 PRO
72 Operating Instructions, 03/2024, A5E42761061-AF
4.2 Notes on the capacitive touch screen
4.2.1 General information
The following information applies to all devices with a capacitive touch screen, regardless of
whether the touch screen is operated in single-touch or multitouch mode.
WARNING
Personal injury or property damage due to no earth connection
An inadequate earth connection or the lack of one may cause malfunction of the capacitive
touch screen. Functions may not work properly. This can result in personal injury or property
damage.
• Always connect the device to an earth conductor.
• The earth conductor from the device must be connected directly to earth with low
impedance (short connection, minimum cross-section 4 mm
2
).
You can find additional information on connecting the ground conductor in the section
"Equipotential bonding (Page 60)".
WARNING
Personal injury or property damage due to maloperation
Incorrect operation of devices with a touch screen can occur. This can result in personal
injury or property damage.
Take the following precautions:
• Configure the plant so that safety-related functions are not operated with the touch
screen.
• Switch off the device for cleaning and maintenance.
NOTICE
Damage to the touch screen
Operation of the touch screen in the following ways will reduce its service life up to and
including total failure:
• Touching it with a pointed or sharp object
• Abrupt impact with solid objects
Use only your finger or a touch pen to touch the touch screen.