GM8802F-2 Field Mounting Transmitter
GM8802-F2110101
20
5.2.2 Modbus communication
5.2.2.1Modbus address
PLC
address
Communication
address
Defination
Description
Four bytes and only read address
(
function code
:
03
)
40001
0000
Weight from channel no.
1
Four bytes including sign
When
AD
is error
:
0x7F455252
(
low
3
bits is
E,R,R
)
When AD shut
:
0x7F4F4646
(
low
3
bits is
O,F,F
)
When weight overflow
:
0x7F4F464C
(
low
3
bits is
O,F,L
)
40003
0002
State from channel no.
1
bit0
:
0
unstable
/
1
stable
bit1
:
0
normal
/
1
overflow
bit2
:
0
nonezero
/
1
zero
bit3
:
0
positive sign
/
1
minus sign
bit4
:
0 AD
normal /
1 AD
error
bit5
:
0AD
shut
/
1AD
start
bit6~bit31
:
0
(
reserve
)
40005
0004
Weight from channel no.
2
Four bytes including sign
When
AD
is error
:
0x7F455252
(
low
3
bits is
E,R,R
)
When AD shut
:
0x7F4F4646
(
low
3
bits is
O,F,F
)
When weight overflow
:
0x7F4F464C
(
low
3
bits is
O,F,L
)
40007
0006
State from channel no.
2
bit0
:
0
unstable
/
1
stable
bit1
:
0
normal
/
1
overflow
bit2
:
0
nonezero
/
1
zero
bit3
:
0
positive sign
/
1
minus sign
bit4
:
0 AD
normal /
1 AD
error
bit5
:
0AD
shut
/
1AD
start
bit6~bit31
:
0
(
reserve
)
40009
0008
Reserved bit
Fixed data:
0x7F+'R'+'E'+'V'
40011
0010
Reserved bit
Fixed data:
0x7F+'R'+'E'+'V'
40013
0012
Reserved bit
Fixed data:
0x7F+'R'+'E'+'V'
40015
0014
Reserved bit
Fixed data:
0x7F+'R'+'E'+'V'
40017
0016
Weight from channel no.
1
Present weight value from channel
no.
1-2.
40019
0018
Weight from channel no.
2
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