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PIN N.
9
10
11
12
13
14
15
Signal description
START/STOP: input signal to start or stop the pump. With the
supplied cover connector the START/STOP (+) signal is connected to
the +24 Vdc pin and the START/STOP (-) signal to the GROUND pin:
in this condition the pump automatically starts as soon as the
controller recognises the input supply ("Plug & Pump").
INTERLOCK: input signal to confirm the pump rotation. With the
supplied cover connector the INTERLOCK (+) signal is connected to
the +24 Vdc pin and the INTERLOCK (-) signal to the GROUND pin, in
this condition the pump automatically starts as soon as the controller
recognises the input supply ("Plug & Pump"). These pins must be
always connected to +24V and ground to allow pump running.
SPEED SETTING: PWM input signal to set the pump speed. The
PWM signal characteristics must be the following:
Turbo-V 3K-G Pumping System User Manual / 87-901-011-01 (D)
SIGNAL NAME
+24 Vdc
PURGE (+)
SET POINT
VENT (+)
FAULT N.O.
ANALOG OUTPUT
GROUND
frequency: 100 Hz +/-20%
amplitude: high level from 12 to 24 V
duty cycle range: from 25 % to 75 % corresponding to a pump
speed from 500 Hz to 530 Hz linearly (see the following diagram).
Technical Information
Interconnections
INPUT/OUTPUT
OUT
IN
OUT
IN
OUT
OUT
OUT
17
ISOLATION
Transformer
Optocoupled
Relay
Optocoupled
Relay
Optocoupled
Transformer
311/360
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