Klav is an electronic device designed for entering commands via an external 15 – key keyboard and LEDs of the corresponding key. KLAV communicates via CAN bus with the master device and includes the following inputs:
Connector K1 – power and communication:
|
Number |
Functions |
|
2 |
CAN bus |
|
1 |
Grounding CAN |
|
2 |
Power |
Connector K2 – buttons:
|
Number |
Functions |
|
5 |
Keyboard row |
|
3 |
Keyboard column |
|
1 |
Not connected |
Connector K3 – LEDs:
|
Number |
Functions |
|
5 |
LEDs row |
|
3 |
LEDs column |
|
1 |
Not connected |
The device reads input signals from the keyboard and, if changed (button press or release), the information is sent to the superior system (CMFD) via CAN bus. Furthermore, the device controls matrix connected LEDs and, according to packets received form CAN, the device controls LEDs.
Technical parameters:
|
Nominal voltage: |
+ 24 VDC |
|
Operating voltage: |
19 V up to 28 V DC |
|
Current consumption: |
50 mA |
|
Range of operating temperatures: |
-40°C to + 65°C |
|
Range of storage temperatures: |
-40°C to + 65°C |