User Manual

28 - 8623-2 Standard
english
KFAC Setting the K factor of the second setpoint
The display shows values in the range 0 to 6552. If it is attempted to set a
higher value, the display will jump automatically to 0 and a value must be
entered within the range. The unit corresponds to the value set in the
menu item UNIT.
(factory setting: 46.60).
RFAC Setting the ratio
Settings are possible between 0.00 and 10.0. If it is attempted to set a
higher value, the display will jump automatically to 0 and a value must be
entered within the range. The decimal point cannot be set at the first (left-
hand) position.
(factory setting: 1.00)
Setpoint setting: ratio control
With ratio control, the (controlled) flow rate Q
1
is adjusted such that the specified
ratio to an (uncontrolled) flow rate Q
2
is maintained.
Q
1
= ratio factor * Q
2
Example :
You set the ratio factor 4: 4,00
Flow rate Q
2
: 20 l/h
Flow rate Q
1
is controlled to : 20 * 4 = 80 l/h
increase digit
next digit
2 s set decimal point
increase digit
next digit
2 s set decimal point
Fig.: Setting the setpoint: ratio control