4-49
• Space for an in5 Vdc power supply if required. The 2210 controller
power requirements are: 65 mA @ +5Vdc
±
10% standby, 160 mA average
with touch, 240 mA peak. Elo offers a 100 to 240 Vac international power
supply (P/N 742067-000) for use with the AccuTouch serial controller. The
3000U USB controller does not require a power supply as it gets its power
from the USB bus. See the SmartSet Touchscreen Controller Family
Technical Reference Manual available at
www.elotouch.com/support/
dwnldmnls.asp
for specific power requirements and connections for the 2210
controller and
www.elotouch.com/products/accutec/c3000u.asp
for specific
power requirements and connections for the 3000U controller.
• Cable routing that may contribute to noise and crosstalk.
• Electromagnetic Interference (EMI) suppression. Installing a touchscreen
and controller will affect the EMI characteristics of the monitor.
• Heat dissipation. The 3000U controller dissipates about 0.25 watt. The 2210
controller dissipates about 0.3 watt. A typical power supply, if required, may
dissipate several watts more. This places an additional load on the cooling
system of the display. The available locations to mount a controller and
power supply may also affect the cooling system of the display.
Both the serial and USB controller have transient protection on-board.
Mounting the controller internally is the only instance where this on-board
transient protection can be substituted for the transient protection solutions
discussed in the previous section. When using the on-board protection, you must
insure that the touchscreen is connected to the controller and the controller is
grounded when cycling power to the display. The 2210 has two plated-through
mounting holes, and its on-board transient protection is grounded through them.
The 3000U has four plated-through holes, and its on-board transient protection
is grounded through them. You must connect chassis ground to at least one of
these plated-through holes.
Installing the 2210 Serial Controller
Complete these steps to install the 2210 controller, using the internal controller
mounting kit (P/N 734849-000):
1
Be sure all controller jumper settings are made prior to installation. See
Appendix B.
2
Once proper component positioning has been determined, insert the desired
profile standoffs into at least three of the mounting holes, but do not peel off
the adhesive backing. Wait until some of the following steps are
accomplished:
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