40 3M™ MicroTouch™ Controller EX Serial Reference Guide
3M Touch Systems, Inc. Proprietary Information – TSD-29087 Rev D
Performance and Reliability
Minimum Touch Duration 5.4 msec.
Touch Resolution – (Maximum addressable coordinates generated by the
controller)
16K x 16K
ESD Susceptibility
3
-
±8 kV Contact Discharge – Class 2 per section 9 of IEC 61000-4-2
1 false touch allowed
Compliant
±27 kV Air Discharge – Class 1 per section 9 of IEC 61000-4-2
Normal Operation – No false touches
Compliant
MTBF (by MIL Std. 217F Calculation) 700,000 Hours
Touch System Parameters
Accuracy vs. Dynamic Temperature Change
(tested at 0 deg. C to 60 deg. C with a 0.5 deg. C/minute
temperature ramp)
Maintains 99.0% Accuracy
Sensor Compatibility 3M™ MicroTouch™ Capacitive Sensors
Communications Protocol Serial RS 232
Figure 4 Storage and Operating Temperature with Humidity Conditions
3
ESD discharges to a 3M™ MicroTouch™ sensor connected to the controller
