Agilent Technologies SpecialTurbo-V 1K-G Mode D'emploi page 253

SPEED SETTING: PWM input signal to set the pump speed. The
PWM signal characteristics must be the following:




Figure 10
The duty cycle percentage is referred to the low level portion of the PWM
NOTE
signal.
PROGRAMMABLE ANALOG SIGNAL: this output signal is a voltage
(from 0 to 10 Vdc) proportional to a reference quantity (frequency or
power) set by the user. The default setting is the frequency (see the
following example diagram).
Special Turbo-V 1K-G User Manual / 87-901-006-01 (B)
frequency: 100 Hz +/-20 %
amplitude: 24 V max
duty cycle range: from 25 % to 75 %
corresponding to a pump speed from 500 Hz to 750 Hz (see the
following diagram).
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