Advantech AWS-8248 Instrukcja Użytkownika Pobierz pdf (Strona 42)

AWS-8248V User’s Manual 38

Appendix C Optional Touchscreen

C.1 Specifications

Electrical

Operating Voltage: 3.3 to 5 VDC typical

Sheet Resistance: 220 ± 30% W/square

Linearity: +/- 1.5% full scale linearity error in either

direction.

Insulation Resistance: > 20 ΜΩ @ 25 VDC.

Optical

Total light Transmission: 68% typical (> 66% @ 550 nm test)

Environmental

Operating Temperature Range: -20°C to +50°C, ambient humidity

Storage Temperature High: +70°C, 500 hours at ambient humidity

Storage Temperature Low: -40°C, continuous at ambient humidity

Accelerated Aging: 100 hours continuous exposure at

60°C/95% RH

Thermal Shock: 25 cycles (one cycle is

30 min. dwell alternating from -40°C

to +85°C with less than 10 min. trans

fer time).

Mechanical

Activation Method: Gloved or ungloved finger

Delrin or plastic stylus (no metal) with

1mm radius full hemispherical tip

Activation Force: < 70g average with non-metal stylus

< 90g average with 5/8” diameter sili

cone finger

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