Modbus
Modbus
No.of
Register
Address
Byte
1041
1040
4
1043
1042
4
1045
1044
4
1047
1046
4
1049
1048
4
1051
1050
4
1053
1052
4
1055
1054
4
1057
1056
4
to
1099
1078
4
VA 5xx Modbus RTU Installation V1.09
Data Type
Description
Incremented Pulses
Float/Dword
since setup pulse
Systempressure (at
Float/Dword
Pressure Unit showed in
Display)
Systempressure Min at
Float/Dword
Pressure Unit in Display
since Clear Min/Max
Systempressure Max at
Float/Dword
Pressure Unit in Display
since Clear Min/Max
Total Counter bevore
Uint/Dword
comma as showed in
Display (left side)
Total Counter after
Float/Dword
comma as showed in
Display (left side)
Total Counter bevore
comma as showed in
Uint/Dword
Display (left side + right
side)
Total Counter after
comma as showed in
Float/Dword
Display (left side + right
side)
Float/Dword
reserved
Float/Dword
reserved
Read
Default
Unit /Comment
Write
x
R
Value only available with
x
R
pressure option
Value only available with
x
R
pressure option
Value only available with
x
R
pressure option
only available in Direction
x
R
Sensor Vaxxxx
only available in Direction
x
R
Sensor Vaxxxx
only available in Direction
x
R
Sensor Vaxxxx
only available in Direction
x
R
Sensor Vaxxxx
x
R
x
R
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