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5
Technical Information
Pump Electronic Controller
Figure 9
The pump operation is I/O signals dependent so you must always plug-in the
NOTE
provided mating connector to start the pump.
74/90
MS40+ Single Stage Rotary Vane Pumps User Manual / 87-901-008-01
Oil level: N.O. Relay contact – It is closed as soon as the oil level
comes down under the minimum level – The pump is not stopped
but the following starting is disabled.
Start/stop: If the inverter is managed by remote port it manage
the pump starting – if you are operating in serial mode it enables
the starting. (pin 8 to pin 9 / pin 4 to pin 5).
Rotational speed setting by analog input (0-10 V).
(E)
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