RUN EXCITE-2008: Service & Maintenance Manual - rev. 1.3
Page 3.3
3.1.3. 500 LED ARM DISPLAY BOARD
The display contains only one board which comprises the CPU, an ARM microprocessor, its logic
circuits and a FLASH EPROM containing the operating program for the machine moreover, acts as
the interconnection hub for all the components of the display and serves as the point of connection
with the ALE/AT UL driver.
The main functions of the board are:
¾ Manage and process signals from:
• Keyboard;
• HS/HR receiver;
• Csafe board;
• TGS reader (where present).
¾ Distributes to the display the voltages received from the driver box;
¾ Exchanges, over the RS-485 serial link to the driver box, commands for controlling the belt
and elevation motors;
¾ Exchanges, over the RS-485 serial link to the driver box, commands for controlling
emergency signals;
¾ Illuminates the LEDs and 7-segment displays used for the exercise feedback.
The board includes the following indicator LEDs:
LED mane Color Description
LED1 Yellow
if ON the +12Vdc supply provided by the driver box, correctly
reaches the board.
LED2 Green
if ON the +5Vdc supply provided by the AT UL driver box,
correctly reaches the board.
To Next Page
Loading...
