WILLETT 430 - Electronics System; Control Panel

Technical Description: Electronics System
Issue 2
51
Part No. 306-0430-102
Electronics System
The printer electronics system comprises the following:
•
Control panel.
•
Connector panel.
•
Control electronics.
•
Electronics modules.
Control Panel
(
1
) Liquid Crystal Display (LCD)
(
2
) Keypad
(
3
) Function Keys
(
4
) Arrow keys
(
5
) Status LEDs
f1
f2
f3
esc
esc
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backspace
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enter
shift
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del
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caps
ctrl
shift
alt
i
fn
enter
f4
1
2
3
4
5
Figure 20 Control Panel
The control panel consists of the following:
•
A 70 key industrial grade membrane keypad (
2
). The keypad is self-adhesive for ease of mounting and is
fixed to an aluminium plate, which is secured to the top cover by six screws.
•
A 240 x 128 pixel backlit Liquid Crystal Display (LCD) (
1
). The display has a viewing area of 120 mm x 64
mm. The display is mounted on four insulated studs, on the same aluminium plate as the keypad and is
secured by four nylon nuts.