User guide

ATouch User Guide
4
- High durability and reliability
- Contaminant proof and liquid resistance.
1.1.2 4 Wire Resistive Controller
ATocuh’s 4 Wire Controllers provide the drive signals for the touchscreen,
convert analog signals into digital touch coordinates, and send coordinates to
the host.
ATouch provides RS-232 and USB interfaces for 4 Wire Controllers.
RS-232 controllers are designed two kinds of serial connectors for customers
to choose different kinds of serial cables.
1.2 5 Wire Resistive Touch Screen
1.2.1 5 Wire Resistive Touch Sensor
ATouch’s 5 Wire Resistive Touch Screen is a most extensively various
application. It works by any kind of physical touch, not only by fingers,
gloved hands (any kind of gloves). It is liquid resistance and contamination
proof. It works even in bad environment, such as foul, dirt, greasiness.
ATouch 5 Wire products are the most reliable available, and have the
expected life performance for more than 35 million touches in one location
without failure.
ATouch 5 Wire Resistive Touch Screen support RS-232 and USB interface
for :
LCD Displays: 10.4” – 19”
CRT Flat Displays: 17”-21”