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Emerson Process Management GmbH & Co. OHG 9-5
Instruction Manual
HASAxE-IM-HS
05/2006
9 Modbus
9-3 Modbus - List of Parameters and Registers
This list is ordered alphabetically by the parameter name („Mnemonic“) column.
Any "#" is a wildcard, to be replaced by "1" or "2" for the desired measuring channel. In this case
the upper register line is assigned to channel 1, the lower line to channel 2.
Attribute
1
Daniel /
Enron
Modicon Type
Range / Enum values / Coefficients
Modbus-Register
Mnemonic
Description
4002 4002
CalibrationCountDB
second decrementer for calibration and/or
purging procedures
Dyn
Word
4001 4001
CalibrationStateDB
current calibration status
0=no calibration active
1=zero cal Ch1
11=purge zero Ch1
2=zero cal Ch2
12=purge zero Ch2
3=zero cal Ch1&Ch2
13=purge zero Ch1+Ch2
4=span cal Ch1
14=purge span Ch1
5=span cal Ch2
15=purge span Ch2
6= zero & span cal Ch1&Ch2
16=purge zero & span Ch1&Ch2
7=span cal Ch1&Ch2
17=purge span Ch1&Ch2
8=zero cal Ch2 & span cal Ch1&Ch2
18=purge zero Ch2 & span Ch1&Ch2
9=cancel
10=wait for purge sample gas
(purge + 2*t90)
Dyn
Enum
4003 4003
CalValveStateDB
current state of the valves
bit0 = sample gas opened
bit1 = zero gas opened
bit2 = span gas Ch1 opened
bit3 = span gas Ch2 opened
Dyn
Byte-Bitfield
3021..3030
3031..3040
3021..3030
3031..3040
ChannelId#DB
Channel Identification String
2 characters per register:
1
st
character at HIGH byte,
2
nd
character at LOW b
y
te.
Cfg
String-20
9001
9002
6001..6002
6003..6004
Concentration#DB
calculated concentration value
Dyn, Sim
Float
9017
9018
6033..6034
6035..6036
CorrRawValueConc#DB
offset corrected raw value of A/D-conversion
Dyn
Float
2023 2023
CrossCompensationCalibrationDB
calibrate cross interference calculations during
span calibrations
Cfg
Boolean
2022 2022
CrossCompensationDB
cross interference failure are compensated
Cfg
Boolean
9089
9090
6177..6178
6179..6180
CrossInterferenceFact#DB
factor that determines the cross interference
influence between 2 measurement channels
Cfg, Self
Float
9009
9010
6017..6018
6019..6020
CrossInterferenceOffset#DB
zero correction of cross interference
compensation
Dyn, Sim
Float