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17
Technical Information
Interconnections
Figure 13
High Speed is the nominal rotational frequency of the pump (530 Hz). Low
NOTE
Speed (510 Hz) corre-sponds to the rotational frequency for a stand by status.
Users can set rotational frequency between these two values.
If any signal isn't applied (no connection) the driving frequency is set
to "Maximum excitation frequency" (the default value is 530 Hz; it is
settable via serial line by means of window 121: see the serial
command table).
If a continuous signal is applied (pin 5 connected to pin 9) the
driving frequency is set to "Low Speed" (the default value is 510 Hz;
it is settable via serial line by means of window 117: see the serial
command table).
The "Low Speed" function can also be activated by serial line with
win.001, and the low speed value can be adjusted via serial command
win.117.
Both low speed value (win.117) and high-speed value (win.120) are
limited between 500 Hz (can't be set by the user) and "Maximum
excitation frequency" (win.121, 530 Hz default).
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Turbo-V 3K-G Pumping System User Manual / 87-901-011-01 (D)
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