Documentation
FD-868
Function
The radio display 868 is used to display text messages on a 2 x 16-character LC display.
In addition, three LEDs and a buzzer can be switched.
Optional is an IO box (relay board) with two outputs (10A/250V) and two inputs (TTL +5V) available.
The bidirectional data transmission takes place via an USB radio transceiver operating in the 868 MHz frequency band.
Installation
The radio display 868 is used to display text messages on a 2 x 16-character LC display.
In addition, three LEDs and a buzzer can be switched.
Optional is an IO box (relay board) with two outputs (10A/250V) and two inputs (TTL +5V) available.
The bidirectional data transmission takes place via an USB radio transceiver operating in the 868 MHz frequency band.
Configuration
The following properties can be changed as follows (not by command): hold left button on the display and switch the device on. Follow the further instructions on the screen.
| Value | Description |
| ----------------- | ----------------------------------------------------------------------------------------------------------------------------- |
| Device-Address | By default, the ID: 1 is set. If more displays are available in a system, a new ID will be awarded. |
| Group-Address | Here all displays e.g. of the ground floor will be addressed together. This feature is not available in the first generation. |
| Broadcast-Address | Fixed: 255 - all displays will be addressed together |
| Key click | On/ Off |
Only one device with the same ID may be present in a radio network.
Optional is an IO box (relay board) with two outputs (10A/250V) and two inputs (TTL +5V) available. RJ-11 socket assignment (Display):
1 – Input 1 / TTL
2 – GND
3 – Output 1 / Open Collector
4 – Output 2 / Open Collector
5 – VCC /+5V
6 – Input 2 / TTL
IO-BOX socket on the terminal of ‘Output 1′
Tips & Tricks
Scripts for a menu control are available in our forums:
Link to the forum post
You can not turn off the key-click in the first generation.
It signaled to the operator that the command from the USB radio transceiver has been adopted (Acknowledgment).