steute RF Rx SW868-USB Originalbetriebsanleitung Seite 14

RF Rx SW868/SW915/SW917/SW922-USB
Telegrammaufbau / Funkempfänger
Telegram structure / Wireless receiver
English
Structure of the data bytes of a battery-powered switch:
DATA #1:
Bit 7 6
Meaning RPT DIR
DATA #2:
Bit 7 6
Meaning 1 1
Factory setting
In order to reset the receiver to factory settings, it must be in Learn mode. Then all settings can be deleted with the following telegram:
Bit 1
Meaning PREAMBLE
5 4 3 2
SWITCH S4 S3
5 4 3 2
1 1 ERR EXT2
2
LEN CMD
1 0
S2 S1 RPT
DIR
SWITCH
S1-S4
1 0
EXT1 ERR
EXT1
EXT2
3 4
CHECKSUM PREAMBLE
LEN
CMD
CHECKSUM
14 / 16
Meaning
set for repeated transmission of a
telegram
shows the direction of the telegram
(1 -> receiver -> sender)
Switching state
(backward compatibility)
Switching state of switches 1-4
(1 -> activated)
Meaning
1 -> The last transmission was not
confirmed correctly.
The signal was forwarded by a
repeater (1st level).
The signal was forwarded by a
repeater (2nd level).
Meaning
0x03
telegram length
0x85
check sum for verification of data
(Modulo 256) Byte 1 - 3