Advantech FPM-5191G Series, User Manual, Page: 22 / 44

FPM-5191G User Manual 14
Appendix A Touchscreen
A.1 Introduction
The FPM-5191G Series optional touchscreen uses advanced 8-wire resis-
tive technology. It provides more accurate sensing capacity than other
technologies. The touchscreen is specially designed for tough industrial
environments, and has been approved to FCC Class B standards.
A.2 Touchscreen Specifications
1. Input Method and Activation Force
16mm dia. Silicon "finger : Less than 1.00 N
2. Typical Optical Characteristics
2.1 Visible Light Transmission: >80%
2.2 Haze:< 13%
3. Electrical Specifications
3.1 Operating Voltage: 5.5V or less
3.2 Contact current: 70mA (maximum)
3.3 Circuit close resistance: 30~300
Ω
3.4 Circuit open resistance: > 10M
Ω
at 25VDC
3.5 Contact bounce: < 15ms
3.6 Linear Test : <1.5 %
3.7 Capacitance:100nF(maximum)
3.8 Electrostatic Discharge Protection : (per EN 61000-4-2 )
The touch screen withstands of 15KV air discharge and 8KV
contact discharge.
Note: RS-232 & USB touchscreen interface does not allow
connection to the system at the same time. It can be
changed by switch.