GM8802F-2 Field Mounting Transmitter
GM8802-F2110101
26
Correct response
:
Data format:
Address
Function
code
Counting
byte
Data
CRC parity
Bytes
:
1
1
1
1
2
Inquiry command
:
01 01 01 2C 00 04 FD FC
Correct response
:
01 01 01 01 90 48
(
Coil
0303-0300
related state
:
0-0-0-1
)
2
)
ASCII
mode
:
Inquiry command
:
Data format:
Start
Address
Function
code
Start
address
Coil
quantity
LRC
parity
End
Bytes
:
1
2
2
4
4
2
2
Correct response
:
Data format:
Start
Address
Function
code
Counting
byte
Data
LRC
parity
End
Bytes
:
1
2
2
2
2
2
2
Inquiry command
:
3A 30 31 30 31 30 31 32 43 30 30 30 34 43 44 0D 0A
Correct response
:
3A 30 31 30 31 30 31 30 31 46 43 0D 0A
(
Coil
0303-0300
related state
:
0-0-0-1
)
03 read register
Inquiry
:
Regulate to read register start address and register quantities.
Response
:
Register data is binary system, every register relate 2bytes respectively, the first
byte is high digit and the send one is low digit.
For example
:
read register
0100
、
0101
.
1
)
RTU
mode
:
Inquiry command
:
Data format:
Address
Function
code
Start
address
Inquiry register
quantity
CRC
parity
Bytes
:
1
1
2
2
2
Correct response
:
Data format:
Address
Function
code
Counting
byte
Register
(
0100
)
data
Register
(
0101
)
data
CRC
parity
Bytes
:
1
1
1
2
2
2
Inquiry command
:
01 03 00 64 00 02 85 D4
Correct response
:
01 03 04 00 05 00 05 2A 31
(
register
0100
、
0101
data
:
5
(
Hex
:
0005H
)、
5
(
Hex
:
0005H
))
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