3
Functions
3.1 Communication in cyclic data traffic
The cyclic data frame comprises:
All DMTs
Start byte
len
Data type
Identifiers
Explanation
1
1
Byte
Device status See table
2
4
Float
MeasValue
6
1
Byte
Measurement
unit
pH=0x50, ORP(Redox)=0x52,
Cl=0x43, Temp°C=0x54,
Temp°F=0x64,
Conductivity=0x4C
7
1
Byte
MeasStatus
Measurement value specific (see
below)
8
1
Byte
Sensor type
Measurement value specific (see
below)
9
1
Byte
Sensor
quality
Measurement value specific (see
below)
10
4
Float
CorrValue
14
1
Byte
CorrUnit
°C=0x54, °F=0x64
15
1
Byte
CorrStatus
See table "CorrStatus"
Device status
Pos
Name
Status 0
Status 1
2
0
PROFIBUS®-
Mode
Bus-ON
Bus-OFF
2
1
Initialisation
Operating status
DMT-in Init. Status
Functions
43
Содержание Dulcometer DMT
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