4-51
• Mounting the cable to the plastic case. Plastic cases are usually rather thick,
making it necessary to mount the flange of the connector on the outside of the
case. This is cosmetically less acceptable than an inside mount and there is
less support for the serial cable. Also the standard DB9 hole may not provide
adequate clearance for the connector. Avoid mounting to curved surfaces if
possible as hole punching is more difficult and mounting hardware will warp
the connector when tightened. If mounted on the inside, the mounting
hardware may interfere with proper mating with the P/N 899389-000 cable.
Also, the touchscreen cable must be connected to the P/N 899389-000 cable
as the back case is being reinstalled, and the ground cable from the transient
protection must also be connected. The shell of the DB9 connector is
internally connected to the ground wire.
An escutcheon,, or identifying metal plate labeled with the legend "Touch
Interface" (P/N 172001), is included in the touchscreen installation kit (P/N
458095-000). It provides an attractive and convenient finish to most of the
bulkhead mounts typically used on a display. A similar plate is also available
with vertical labeling (P/N 172003).
Installing the 3000U USB Controller
Complete these steps to install the 3000U USB controller, using the internal
controller mounting kit (P/N 310900-000):
1
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.
2
Enable the controller’s on-board transient protection. This may be
accomplished one of two ways:
•
If the controller can be mounted to a metal chassis, it can be grounded
through one of the four plated-through mounting holes by using a No. 6
sheet metal screw and an appropriate sized spacer.
•
If the controller cannot be mounted to a metal chassis, use a ground wire
with a lug attached to connect one of the controller's plated-through
mounting holes to chassis ground.
When using the controller’s on-board transient protection, you must ensure
that the touchscreen is connected to the controller and the controller is
grounded when cycling power to the display.
Содержание AccuTouch 821615-000
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