KROHNE OPTISONIC V6 Modbus - Manual (Page 26)

2011-07-19
OPTISONIC_V6_Modbus_6.doc 26/29
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Flowmeter configuration
Parameter / Variable
(short description)
Name Explanation
Relative
address
Absolute
address,
non-
Modicon
Absolute
address,
Modicon-
comp.
Units
Internal diameter Diameter Internal diameter of meter body at the measuring section. 1 7501
7502-7503
(2 regs)
m
Meter Constant forward MeterConstant_Fwd Meter constant, forward flow direction. 2 7502
7504-7505
(2 regs)
-
Meter Constant reverse MeterConstant_Rev Meter constant, reverse flow direction. 3 7503
7506-7507
(2 regs)
-
Thermal expansion factor pipe
material Alpha
ThermExp_Alpha_Pipe
Property of the material of the meter body, used to calculate
the effect of thermal expansion.
4 7504
7508-7509
(2 regs)
1/°C
Reference temperature Body
expansion ThermExp_Reference-
Temp Temperature at which the internal diameter of meter body at
the measuring section is specified.
5 7505
7510-7511
(2 regs)
°C
Channel Calibrated Path
Length L, channel 1-3
Ch_PathLength_Cal
Length of acoustic path length between two transducers of a
measuring path; array with values for channel 1 through 3.
6-8
7506-7508
(3 regs)
7512-7517
(6 regs)
m
Reserved Reserved Reserved 9-11
7509-7511
(3 regs)
7518-7523
(6 regs)
-
Channel Measuring Angle,
channel 1-3
Ch_Angle_Measuring
Angle at which the ultrasonic beam intersects with the meter
body; array with values for channel 1 through 3.
12-14
7512-7514
(3 regs)
7524-7529
(6 regs)
Deg
Reserved Reserved Reserved 15-17
7515-7517
(3 regs)
7530-7535
(6 regs)
-
Flow Full Scale Forward Fwd_MaxFlowRate
Indicated value (full scale) at flow of 100% of rated volume
flow in forward flow direction
18 7518
7536-7537
(2 regs)
m
3
/s
Flow Full Scale Reverse Rev_MaxFlowRate
Indicated value (full scale) at flow of 100% of rated volume
flow in reverse flow direction
19 7519
7538-7539
(2 regs)
m 3 /s
Low Flow cutoff Forward Fwd_LowFlowCutoff
For forward flow rates with smaller magnitude than this cut-
off value, totalisers stop counting and outputs (such as the
frequency output) will be disabled; flow rate indication will still
be available
20 7520
7540-7541
(2 regs)
m/s
Low Flow cutoff Reverse Rev_LowFlowCutoff
For reverse flow rates with smaller magnitude than this cut-
off value, totalisers stop counting and outputs (such as the
frequency output) will be disabled; flow rate indication will still
be available
21 7521
7542-7543
(2 regs)
m/s