AccuTouch Product Guide - Elo TouchSystems

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Reassembling the Monitor With the touchscreen mounted, and the cable routing and exterior interface determined, the monitor must be reassembled. Reassembly is generally in reverse order of disassembly. Beware of potential clearance problems between the bell of the CRT and the electronics chassis, as shorts in this area can produce catastrophic failures of the monitor. Also, if the inside surface of the back case is painted with a conductive coating, watch for shorts between the CRT circuit board and the rear of the back case, as these can also produce disastrous results. When the electronics chassis is reinstalled, the CRT circuit board is usually carried along with it. It is often advisable to have a second person assist you, to insure that this circuit board and various other cables do not interfere with the yoke or neck of the CRT. Safety glasses, gloves, heavy protective clothing, and caution are strongly advised for all participants. Reconnect all cables that were removed during the disassembly procedure. Watch for single ground connections from the CRT mount to the chassis, between individual chassis members, etc., which may have lugs and screws to connect them, or sometimes individual push-on solderless connectors. Failure to reconnect these important cables may result in improper performance of the monitor after reassembly and may render the unit unsafe. Re-glue the CRT circuit board to the connector with an electronic-grade (noncorrosive) silicone adhesive (such as GE RTV-162). Discharge the CRT again (see “Discharging the CRT” on page 4-37), and then reconnect the anode lead to the anode button, making sure the spring hooks catch inside the hole. If practical, test the monitor and touchscreen at the earliest time possible before reassembling the monitor, as the reassembly of the back case can be tedious. If mistakes have been made, corrections are easier to make if the covers are still off. Make sure, however, if you are using the 899389.000 cable for transient protection, that the ground lead is connected to chassis ground of the monitor and the cable is connected to the touchscreen. Finally, remove any agency certifications (UL, CSA, FCC, TÜV, CE, etc.) for which you have not resubmitted. 4-57
Sealing the Monitor If dirt and dust seals are all that are necessary for your application, you may easily apply open cell foam material, similar to that used between the touchscreen and the monitor, between the touchscreen and the bezel. If the seal contacts the active area of the touchscreen, avoid compression of the seal sufficient to change the open circuit resistance. This can be monitored during installation by connecting an ohmmeter between pins 1 and 3 of the touchscreen cable. Watertight seals are achievable by gasketing around the inactive border region of the touchscreen. Caulks and elastomer gaskets of almost any type may be used to make a seal between the touchscreen and bezel in this region. Caulks can be used over the active area of the touchscreen as long as force on the bezel is not transferred to the touchscreen. Gaskets can only be used if the active area is within the bezel opening. These types of seals can meet NEMA 4 and 12 standards. 4-58 <strong>Elo</strong> Entuitive Touchmonitor
Page 1 and 2: AccuTouch ® Product Manual Revisio
Page 4: List of Figures AccuTouch Touchscre
Page 7 and 8: 6 repairing the Product or (ii) rep
Page 10 and 11: Table of Contents Chapter 1 Introdu
Page 12 and 13: Introducing Touchscreens C HAPTER C
Page 14 and 15: Care and Cleaning Handle the touchs
Page 16 and 17: C HAPTER CHAPTER 3TOUCHMONITOR INST
Page 18 and 19: Next, refer to the appropriate page
Page 20 and 21: 2210MX External Serial Controller C
Page 22 and 23: PC-Bus Controller Contents This con
Page 24 and 25: other elements that can confuse the
Page 26 and 27: C HAPTER CHAPTER 4COMPONENT INSTALL
Page 28 and 29: Getting Started AccuTouch touchscre
Page 30 and 31: Installation Steps The installation
Page 32 and 33: Discharging the CRT WARNING: Danger
Page 34 and 35: After disconnecting any necessary c
Page 36 and 37: Creating enough space between the C
Page 38 and 39: Cut and place the foam sealing tape
Page 40 and 41: Select spacers to allow the touchsc
Page 42 and 43: Figure 4.4 Side View of an AccuTouc
Page 44 and 45: Space for an internal +5 Vdc power
Page 46 and 47: Mounting the cable to the plastic c
Page 48 and 49: External Controllers Installing the
Page 50 and 51: Mounting the P/N 899389-000 cable t
Page 54 and 55: Flat Panel Display Integration Whil
Page 56 and 57: A PPENDIX CHAPTER 4TROUBLESHOOTING
Page 58 and 59: Video Alignment Problems If the tou
Page 60 and 61: If the system responds to the paper
Page 62 and 63: Touchscreen Simulation The action o
Page 64 and 65: Serial Controller The E271-2210 con
Page 66 and 67: Using the TOUCHES Utility TOUCHES i
Page 68 and 69: Some serial ports require jumpers f
Page 70 and 71: Look at the coordinates output by B
Page 72 and 73: 3000U USB Controller The 3000U cont
Page 74 and 75: DB9 and DB25 Connector Pin Position
Page 76 and 77: General Information A PPENDIX CHAPT
Page 78 and 79: 2210 Serial Controller Figure B.2 E
Page 80 and 81: 2210 Emulation Modes If you are usi
Page 82 and 83: Emulation Mode * indicates factory
Page 84 and 85: Mechanical A PPENDIX CHAPTER 4SPECI
Page 86 and 87: 1 The typical usage rate for 1 year
Page 88 and 89: Environmental Temperature/Humidity
Page 90 and 91: Contact Bounce Measured from the be
Page 92 and 93: C-97
Page 94 and 95: Introduction C HAPTER CHAPTER 2ABOU
Page 96 and 97: The logical sequence of operation o
Page 98 and 99: CHAPTER 4GLOSSARY A Autosizing-True
Page 100 and 101: Invar-Shadow Mask-A special type of
Page 102 and 103:
Primary Colors-In light (and in mon
Page 104 and 105:
Numerics 2201 PC-Bus Controller, 77
Page 106 and 107:
J Jumper Settings, 82, 84 Jumper Se
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AccuTouch Product Guide - Elo TouchSystems

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