Information about the liquid/powder level in the feed chemical con‐
tainer 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 auxiliary rate has priority over the operating mode stroke rate
settings . In the standard version, the "Auxiliary frequency" function
is programmed to 100 % stroke rate.
11.1.3 External contact
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
Strokes performed
1:1
1
1
1:2
2
1
1:4
4
1
1:8
8
1
1:16
16
1
1:32
32
1
1:64
64
1
Tab. 5: Explanation of stepped-up values:
Settable values
Incoming contacts
Strokes performed
1:1
1
1
2:1
1
2
4:1
1
4
8:1
1
8
16:1
1
16
32:1
1
32
64:1
1
64
"Level switch" function
"Auxiliary rate" function
"Extern" operating mode:
Operation
42
