User manual - METER SRP-147-XC
ADDR
FUNC
REG H,L
DATA H,L
CRC L,H
01
06
00
20
00
02
09
C1
4. 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.
5. Read of the registers 1, 2 and 3 in one message (example of reading a number of
registries in one frame):
ADDR
FUNC
REG H,L
COUNT H,L
CRC L,H
01
03
00
01
00
03
54
0B
COUNT L - the count of being read registers (max.16)
The answer:
ADDR
FUNC
BYTE C DATA H1,L1
DATA H2,L2
DATA H3,L3
CRC L,H
01
03
06
00
0A
00
00
00
01
78
B4
DATA H1, L1 - reg. 01h (10 - displayed value ”1.0”),
DATA H2, L2 - reg. 02h (0 - no errors),,
DATA H3, L3 - reg. 03h (1 - decimal point position ” 0.0”).
There is no full implementation of the Modbus Protocol in the device. The
functions presented above are available only.
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Содержание SRP-147-XC
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