User guide

32 3M™ MicroTouch™ Controller SX112 Reference Guide
3M Touch Systems, Inc. Proprietary Information
Physical Dimensions
Pen Construction
Body Material Lightly Textured ABS Plastic
Body Color Black
Pen Cable 0.140 Diameter Shielded Cable with Strain Relief;
Length = 42.0 ± 1 In.
Pen Connector RJ45 8 pin Connector
Pen Tip – Conductive Replaceable – 3M Touch Systems P/N 2604634
Pen Cable Mechanical Specifications
Pen End – Dynamic Pull Force Minimum 20 lb. pull force
J1 Connector End – Dynamic Pull Force Minimum 6 lb. pull force
Pen End – Cable Flexing Minimum of 3000 bends of ± 135° from normal
with an 8 oz. weight applied – bend radius of 1 inch.
J1 Connector End – Cable Flexing Minimum of 3000 bends of ± 135° from normal
with an 8 oz. weight applied – bend radius of 1 inch.
J1 Connector Mating Insertions 50 Insertions; ≤ 0.2 Ω Resistance Change
Pen Performance Specifications
Power Supply Requirement 12V DC (sourced from the controller through the
J1 connector)
Maximum Current Draw 5 mA (incremental to controller current draw)
Positional Accuracy 99.0% True Position Accuracy
Touch Resolution 2048 X 2048 when mated with an SX112 controller
Minimum Touch Duration < 14 ms when mated with an SX112 controller
ESD Susceptibility