KROHNE ALTOSONIC V EN - Manual (Page 102)

ALTOSONIC V
Operating Manual rev02 E 7.30850.34.00 Page 102 of 106
10.6 Meter factor adjustment through Modbus
In a master duty configuration the master checks the meter factor of the Duty meter.
This option provides access to the meter factor by Modbus communication.
CLNT0300.DAT excerpt
Note that the reverse direction Meter Factor can only be accessed if the Reynolds Correction is also
enabled in reverse direction (REYN0300.UFS, see parameter 2.1 and section 4)
10.7 Reynolds Warning function
The transition area between laminar and turbulent flow can be set up with an alarm system as this is
an area that needs attention for its influence on accuracy on ultrasonic flowmeters.
17 [METER FACTORS]
Possibility to set the meter factor (MF) for positive and reverse flow
directions. The meterfactors can be set on modbus addresses F7524 and F7525
respectively
17.01 MeterFactorsOn N=#1 //[0..1] 0=OFF, 1=ON
18 [WARNING REYNOLDS NUMBER (Re/1000)]
18.01 Reynolds_warning c=#1 //[0..1] 0=OFF, 1=ON
18.02 Warning_on_number c=#1.25 //ON if > than Reynolds number [Re/1000]
18.03 Warning_off_number c=#3.5 //OFF if > than Reynolds number [Re/1000]