Parameters
4.2 Motor control
SIMOCODE pro - Parameterize
Operating Manual, 04/2017, A5E40507630002A/RS-AA/001
91
The "Change-over pause" parameter can be used to delay switching from "FAST" → "SLOW"
to give the motor enough time to run down.
Note
Two current settings must be set for this control function:
I
s
1 for the SLOW speed
I
s
2 for the FAST speed.
Depending on the current range, the current can in many cases be directly measured at both
speeds with a single current transformer. Otherwise you will need two external current
transformers appropriate for the relevant speed (e.g. 3UF18 with a 1
A secondary
transformer rated current), whose secondary cables must lead through th
e current
measuring module within the range 0.3
to 3 A. The current setting I
s
1 or I
s
2 must be
converted according to the secondary currents of the external transformers.
For more
Overload protection (Page 34).
Figure 4-20 Schematic of the "Dahlander" control function, "Protection / Control" function block
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