steute RF Rx SW868-USB Originalbetriebsanleitung Seite 12

RF Rx SW868/SW915/SW917/SW922-USB
Telegrammaufbau / Funkempfänger
Telegram structure / Wireless receiver
English
Read-out of stored addresses
Already stored addresses can be read out with the following telegram:
Byte 1
Meaning PREAMBLE
Response of receiver
Byte 1 2
PREAMBLE LEN CMD POS
Meaning
2 3 4
LEN CMD POS
3 4 5 6 7 8
ADR STATE
5
PREAMBLE
CHECKSUM
LEN
CMD
POS
CHECKSUM
9
CHECKSUM
PREAMBLE
LEN
CMD
POS
ADR
STATE
CHECKSUM
12 / 16
Meaning
0x03
telegram length
0x8A
memory position (0 - 39)
check sum for verification of data
(Modulo 256) Byte 1 - 4
Meaning
0x03
telegram length
0x8A
memory position (0 - 39)
address of switchgear
status of the command:
0xAA Successful operation,
0xEE Error
check sum for verification of data
(Modulo 256) Byte 1 - 8