Start Of Flow; Maximum Flow - Burkert 1094 Instructions De Service

4.2.7 Start of flow

Leave the standard signal open
or
apply the respective minimum value (0V; 0 mA or 4 mA).
Cable plug electronics type 1094-PMR Terminal 4
Standard rail electronics Type 1094-PHR
Standard signal input
Set potentiometer R
Using potentiometer R
the valve seat (start of flow).
NOTE

4.2.8 Maximum flow

Set the standard signal to its maximum value (10V or 20 mA), and, using
potentiometer R , set the current value I
2
reached.
NOTE
Repeat Points 4.2.6 and 4.2.7 with the 4 - 20 mA standard signal until the desired
values are reached, as the amplification potentiometer R
on the current value at the lower control point (4 mA).
12 - 1094
to the left-hand stop (delay = 0 s).
3
, set the current I so that this just begins to lift the core from
1 1
Turning clockwise increases the flow!
so that the maximum flow rate is just
2
Turn potentiometer R
increases, and then turn back until the flow rate begins to sink
again!
The setting of the switch for the de-activation of the zero-point
switch-off has no effect on the setting of the maximum flow rate.
The zero-point potentiometer R
rate, and for this reason always set the flow rate start first!
Standard signal input
Terminal 3 Earth
Terminal AN 1-4
Terminal AN 1-5 Earth
clockwise until the flow rate no longer
2
also affects the maximum flow
1
has a slight feedback effect
2