3. Touch Screen Operation
This section describes in detail, the identification, operation and adjustments of the Touch
Screen Program.
3.1 Touch Screen Part Names - Front Panel (See Fig. 1)
1 System Button (See Section 3.4)
2 F1 (Help Screen)
3 F2 Increase Brightness (when system button is pressed)
4 F3 Midpoint Brightness (when system button is pressed)
5 F4 Decrease Brightness (when system button is pressed)
6 F5 Job Save / Recall
7 Red LED (Alarm): Lit if Touch Screen is locked. To turn off, press System Reset Button on
the rear panel of the Touch Screen.
8 Green LED (Power): Lit when Touch Screen is turned on
3.2 Touch Screen Part Names - Back Panel (See Fig. 2)
1 RS-232 Communication port to PLC
2 Programming (For APPI use only).
3 Power Supply: Power terminal for Touch Screen Operation.
3.3 Touch Screen Specifications/Features
Power: 24 VDC (+/- 10%)
Operating Environment: 0-50 degrees C, 85% RH or less
Display: Color LCD
Resolution (W x H (dots)): 320 x 240
Display area (mm): 115.2 x 86.4 (5.7”)
Backlight: CCFL
Backlight Hours: approx. 50,000
Life of touch panel: 1,000,000 touches or more
PLC connection: RS232
Number Characters: 40 char. x 30 lines max.
3.4 Touch Screen Contrast Adjustment
The contrast of the LCD may be adjusted if the screen is difficult to read. To adjust the contract,
press the <System> button located to the right side of the active touch screen area (See Fig. 2).
Then press the F2 button to increase brightness and the F4 button to decrease brightness. F3 will
go to the midpoint position.
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