IPPC-9151 Series Users Manual 46
Chapter 8 Touchscreen

8.1 Introduction

The IPPC-9151 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.

8.2 Touchscreen Specifications

Electrical
• Contact bounce: < 10 ms
• Operating voltage: 5 V (typical)
• Sheet Resistance: 350 +/- 22% per Square.
• Linearity: <1.5% full scale linearity error in either direction.
• Insulation Resistance: >20 M @ 25VDC
Durability
• Test conditions: 4 H hardness, 0.04" stylus pen, 350 gram load
• Point activation:
1 Million activations on a single point with a 5/8" diameter silicone
finger with a 350g load at 2 Hz
• Character Activation Life:
>100,000 characters written within a 20 mm x 20 mm area on the touch
screen.
• Chemical resistance:
Hard coating is highly resistant to most solvents and chemicals
Optical