Modbus Examples; Function Code 03 (Read Single Or Multiple Register Points); Ascii Mode - Read Address 3076 - Dynamic E-CHART Manual De Operación

Dynamic Fluid Measurement

MODBUS EXAMPLES

FUNCTION CODE 03 (Read Single or Multiple Register Points)

RTU MOD E - Read A ddress 3076
ADDR
01
Re sp ons e
ADDR
01
Write Address 3076
ADDR
01
Re sp ons e
ADDR
C

ASCII MODE - Read Address 3076

FUNC
ADDR
CODE
: 30 31 30 33
Re sp ons e
FUNC
ADDR
CODE
: 30 31 30 33
E-CHART Manual
STARTING POINT
FUNC
CODE
HI
03 0C
FUNC BYTE
CODE COUNTS
03 02
START
FUNC
POINT
CODE
HI LO
10 0C 04
FUNC START
CODE ADDR
10 0C 04
STARTING POINT
HI LO
30 43 30
BYTE
COUNT
HI
30 32 30
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# OF POINTS
LO HI
04 00
DATA
HI LO
00 01
# OF
BYTE
POINTS
COUNTS
HI LO
00 01 02
# OF CRC
POINTS CHECK
01 43 58
# OF POINTS
HI LO
43 30 30 30
DATA
LRC
CHECK
LO
30 30 31 46
Modbus Data — 4-3
CRC
CHECK
LO
01 C6 9B
CRC
CHECK
79 84
DATA CRC
CHECK
HI LO
00 01 AA 14
LRC
CHECK
31 45 42 CR
39 CR LF
LF