External Contact - ProMinent Beta b BT4b Series Operating Instructions Manual

Operation
"Pause" function
"Stop" function (optional)
"Priming" function
"Level switch" function
"Auxiliary rate" function
11.1.3

External contact

"Extern" operating mode:
38
The pump can be remotely stopped via the "External Control" terminal.
The "Pause" function only works via the "External Control" terminal.
The pumps can be stopped by turning the multifunctional switch to "Stop"
without disconnecting it from the mains power supply.
Priming (transient conveyance at maximum frequency) can be provided by
turning the multifunctional switch to "Test".
Information about the liquid/powder level in the feed chemical container is
reported to the pump. To do so, a two-stage level switch must be fitted; it
is connected to the "Level switch" terminal.
Enables switching of a stroke rate via the "External control" jack. This aux‐
iliary rate has priority over the operating mode stroke rate settings . In the
standard version, the "Auxiliary frequency" function is programmed to 100
% stroke rate.
In the Extern Contact operating mode, either a series of strokes can be
triggered or an inbound series of contacts can be stepped down via the
pulse control switch by a single contact on the "External control" terminal.
To do so, the multifunctional switch has to be turned to "Extern".
Tab. 4: Explanation of the stepped-down values:
Settable values Incoming contacts
1:1 1
1:2 2
1:4 4
1:8 8
1:16 16
1:32 32
1:64 64
Tab. 5: Explanation of stepped-up values:
Settable values Incoming contacts
1:1 1
2:1 1
4:1 1
8:1 1
16:1 1
32:1 1
64:1 1
Strokes performed
1
1
1
1
1
1
1
Strokes performed
1
2
4
8
16
32
64