emWEB-15WT (
Hardware and Software Manual
)
•
Installation
4 - 13
Rev. 1.1
© Janz Tec AG
4.2.1
DC main power supply
The Power unit (figure 3) is energizing all internal components, the display and its backlight. Thereby
the power supply can vary in between 14 to 32 VDC. The emWEB-15WT has a power dissipation with
less than 13 W. Before connecting the DC main power supply the protective bonding conductor (PE)
must be connected
The power connector is included in delivery. The assignment of this connector is shown in figure 4 and
table 2.
Pin
Description
1
+ 14..32 VDC
2
NC, do not connect
3
GND
figure 4: Power connector
table 2: Power connector assignment
4.2.2
Universal serial bus - USB
To connect the touch-screen to a host computer the USB can be used, too. The connector is USB
Type B, so a standard USB Type A to Type B cable can be used to connect the touch-screen with the
host.
The length of USB cable must not exceed 5 m.
4.2.3
Display
The panel is built as a thin film transistor liquid crystal display TFT-LCD with a diagonal screen of
15,6’’ and up to 16.7M colours.
Description
Specification
Display area
344.23 x 193.54 mm
Number of dots
1366x3 (H) x 768 (V) (RGB vertical stripe)
Pixel Pitch
0.252 (H) x 0.252 (V)
Brightness
300 (Cd/m²) typ.
Viewing angles
-85° to 85° (H), -85° to 85° (V) typ.
Contrast
500 (typ.)
Backlight
LED
table 3: Display specifications
1
2
3
