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User manual - DATA RECORDER SRD-99 and cooperating software
b) The answer (if an error occur):
ADDR
FUNC
ERR
CRC L,H
01
90
08
4D
C6
ERR - error code (08 - registry writing blocked by “
Config change
” parameter in “
RS485
port settings
” menu)
6. Change of baud rate of all devices connected to the net (BROADCAST message).
ADDR
FUNC
REG H,L
COUNT H,L
CRC L,H
00
06
00
22
00
04
29
D2
DATA H - 0
DATA L
- 4, new baud rate 19200 baud
Device do not reply to BROADCAST-type messages.
There is no full implementation of the Modbus Protocol in the device. The
functions presented above are available only.
72
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