Pins
3-com
4-com
5-com
The following figure shows a typical contact logic input connection
and the related simplified circuit of the controller.
Figure 10
Turbo-V 81-AG Rack Controller User Manual / 87-900-986-01
Name
Description
Interlock
Contact closed = Active
Contact open = Inactive
If active allows the
pump running, if inactive
stops the pump.
System
Contact closed
Override
Contact open
If the contact is open, it
allows the pump running; if
the contact is closed, it
stops the pump and all the
others connected devices
(Fan, Vent).
Soft Start
Contact closed= Active
Contact open= Inactive
If active before the start
command activates the
spft start procedure. To
be used only at first
pump run-up.
Typical Logic Input Connection
Technical Information
Controller Connection
Electrical
Optically isolated
Vlow, max = 10 v
Imax = 5 mA
Imin (on) = 2 mA
Optically isolated
Vlow, max = 10 v
Imax = 5 mA
Imin (on) = 2 mA
Optically isolated
Vlow, max = 10 v
Imax = 5 mA
Imin (on) =
2 mA
+24 V
4 K7
(I)
17
Note
Active in
all modes
Active in
all modes
Active
only in
Remote
Mode
operation,
and in
STOP
status.
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