Wachendorff OPUS A3, Operating Manual, Page: 13 / 36

Intended Use
Seite 9 von 32
The Encoder:
Encoder is used for the navigation between the objects in customer specific
application. It is possible to select graphical objects on the screen and change there
value rotating the encoder. An entry function can be generated directly on rotating or
by pressing the encoder.
LEDs:
There are 3 different status LEDs available on the unit:
Multicolor LED (option) is embedded in keypad and can be free programmable. This
LED is able to show PWM-controlled RGB colours, 16 bit each.
Light Sensor:
The light sensor offers the possibility for an automatic adaption of display-backlight
and key-backlight to the ambient light intensity.
USB slot on the front (option):
The high speed USB interface can be used for updating and data exchange.
Fig. 3.4: Schematic diagram of both OPUS A3 types backside
Main connector:
There are following interfaces available of the main connector:
•
Power supply and ignition input
•
2 x CAN-Interfaces according to ISO/DIS 11898
•
RS232-Interface
•
USB
•
4 analogue/digital inputs (optional)
•
3 digital outputs (optional)
green light will be on in operational mode
red light during the Wireless read/write
yellow light during the data transfer over the USB interface
Ethernet connector
(optional)
Main connector
Video connector
(optional)