"Flow" function: Stops the pump when the flow is insufficient, provided a
dosing monitor is connected. The number of defective strokes, after which
the pump is switched off, can be set in the
‘Settings’
menu.
The following functions are available as standard:
"Level switch" function: Information about the liquid/powder level in the
chemical feed container is reported to the pump control. To do so, a two-
stage level switch must be fitted; it is connected to the "Level switch" ter‐
minal.
"Pause" function: The pump can be remotely stopped via the "External
Control" terminal. The "Pause" function only works via the "External Con‐
trol" terminal.
The following functions are triggered by a key press:
"Stop" function: The pump can be stopped without disconnecting it from
the mains/power supply by pressing the
[STOP/START]
key.
"Priming" function: Priming (short-term transport at maximum frequency)
can be triggered by simultaneous pressing of the two arrow keys.
5.7
Options
The pump has several connection possibilities for the following options:
"Output relay" option: In the event of fault signals, warning signals, stop‐
ping of the pump or tripped level switches, the relay connects to complete
an electric circuit (for alarm horns etc.).
The relay can be retrofitted via a knock-out in the drive unit.
The various functions can be adjusted, see "Settings" - "Relay".
"Fault indicating and semiconductor relay" option In the event of fault sig‐
nals, warning signals, stopping of the pump or tripped level switches, the
fault indicating relay connects to complete an electric circuit (for control
panel etc.).
In addition to the fault indicating relay, the pacing relay can be used to
make a contact every stroke.
Other functions can be adjusted, see "Settings" - "Relay". The option can
be retrofitted via a knock-out in the drive unit.
The I signal of the current output signals the currently calculated pump
metering volume.
The option "0/4-20 mA analog current output and fault indicating relay" can
be retrofitted via a knock-out in the control unit.
Additionally the option always provides a semiconductor relay, see above.
Other functions can be adjusted, see "Settings" - "Relay".
Relay option
Option "0/4-20 mA analog current output
and fault indicating relay"
Functional description
25
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