Specifications

Touch Controllers Reference Guide90
Technical Specifications
Power: Serial/SMT2 Series of Controllers
+5V Input: +5 VDC (70 mA typical, 85 mA
maximum), 5% regulation, 100 mV
maximum ripple and noise.
+12V Input: 8 – 15 VDC (80 mA typical,
100 mA maximum), 400 mV maximum ripple.
Serial/SMT3 Series of Controllers
+5V Input: +5 VDC (47 mA typical, 60 mA
maximum), 5% regulation, 100 mV
maximum ripple and noise.
+12V Input: 8 – 15 VDC (47 mA typical,
60 mA maximum), 400 mV maximum ripple.
Operating
Temperature:
0 to 55 degrees C.
Relative Humidity: 0 to 95% noncondensing.
Circuit Board Size: 3.5 x 2.25 inches, 0.3-inch clearance height.
Enclosure Size: 3.75 x 2.5 x 0.9 inches, molded plastic enclosure.
Status Light (LED) Diagnostics
The LED status light on the Serial/SMT controller provides
information on power-up, screen touches, and hardware problems.
For more information on the status light, refer to Chapter 3.