Technical Documentation
Page 9 of 26
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.
Light Sensor:
The light sensor can be used for an automatic adaption of display-backlight and key-
backlight to the ambient light intensity.
Status LEDs:
There are 3 different status LEDs available:
Multicolor LED:
Multicolor-LED is embedded in keypad and can be free programmable. This LED is
able to show PWM-controlled RGB colors, 16 bit each.
USB slot on the front on OPUS A8 STANDARD Full:
The high speed USB interface can be used for updating and data exchange.
Fig. 3.4: View on both OPUS A8 types backside
green light will be on in operational mode
red programmable signal (optional)
yellow while transferring data via USB
Main connector
Ethernet connector
Video connector
