User manual

FPM-3170 Series User Manual 14
Appendix A Touchscreen Driver
Installation
A.1 Introduction
The FPM-3170 Series’ optional touchscreen uses an advanced 8-wire
resistive 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 stan-
dards.
A.2 Touchscreen Specifications
A.2.1 Electrical
• Operating Voltage: 2.5 to 5 V DC
• Linearity: c1.5% error
A.2.2 Optical
• Transmittance: 78%
A.2.3 Mechanical
• Activation Force: Data is for .004" diameter separator dots on a 0.14"
pitch.
• Stylus: <25g average wth plastic stylus with 1mm radius.
• Finger: <50g average with 5/8" diameter silicone finger
A.2.4 Durability
• Point Activation: Data is for .004" diameter separator dots on a 0.14"
pitch. 1 Million activations (typical) at a single point with a 5/8" diam-
eter silicone finger with a 350g load at 2 touches per second.
• Gouge Hardness: >=4H per ASTM D3363-92 and ASTM D3363-92