3M SC400 Serial Resistive, Справочное руководство

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10 SC400 Controller Reference Guide
3M Touch Systems Proprietary Information
The controller measures 1.3 x 2.4 inches, or 1.6 x 2.7 inches total profile over the
connectors. Allow additional clearance for the mating connectors. The total height profile
is 0.40 inches from the thru hole pins on the trace side of the board to the top of the
highest component on the opposite side. The SC400 has a 4-pin touch screen connector
(JP6), an 8-pin serial plug and play cable connector (JP2), and a 3-pin power connector
for selectable input voltages.
Figure 1. SC400 Overall Dimensions
Handling and ESD Protection
When mounting the touch screen and controller, use normal precautions for handling
electrostatic sensitive devices. The SC400 has internal protection to ±20 kV for ESD air
discharges to the touch screen (not to the controller directly) that may occur during
normal operation of the touch screen. Refer to Appendix A for further specifications.
Establishing the Data Connection
The SC400 controller requires that an RS-232 serial plug and play communication cable
be attached to connector JP2.
You can use a standard 3M Touch Systems RS-232 plug and play cable (P/N 7319630) or
an equivalent interconnect. One end of this cable plugs into the RS-232 connector (JP2)
on the SC400 controller. The other end, which has a 9-pin D connector, plugs directly
into a serial COM port on your PC. The 9-pin D connector also has an input in the
connector body for an external 5V power supply. Table 1 describes the interconnections
for the 3M Touch Systems RS-232 cable.