User manual for Digital Indicator and cooperating software
DATA H1,L1
DATA H2,L2
DATA H3,L3
DATA H4,L4
DATA H5,L5
CRC L,H
43
68
61
6E
6E
65
6C
20
31
20
7F
D0
DATA H1, L1 - 47h registry (43h - character "C", 68h - character "h"),
DATA H2, L2 - 48h registry (61h - character "a", 6Eh - character "n"),
DATA H3, L3 - 49h registry (6Eh - character "n", 65h - character "e"),
DATA H4, L4 - 4Ah registry (6Ch - character "l", 20h - space " "),
DATA H5, L5 - 4Ah registry (31h - character "1", 20h - space " ").
a) The answer (we assume that input current is not out of range):
ADDR
FUNC
REG H,L
COUNT H,L
CRC L,H
01
10
00
47
00
05
B0
1F
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.
40
i
