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17
Technical Information
Interconnections
Relay Output
This output is driven by μP output used for "Set Point Out". The
default value are the same and the activation type is "N.O."
Soft Start Input
This input activates the "Soft Start" function. Use this function when
the pump remains for some months stopped. The behaviour of this
function is:
1
2
3
4
5
6
7
How to Connect the Open Collector Input of the Controller
Here below there are the typical connections of the open collector
input of TV301 Navigator to an external system. Two cases are
considered:
Please note that on the connector a 24 Vdc, 60 mA voltage, a
GROUND signal and the open collector pin are available.
184/208
After the start command the relay immediately close and remains
closed till the mask time.
After the mask time if the upper threshold isn't reached the
controller goes in "fail" ("too high load") and the relay is opened;
if the upper threshold is reached the relay is kept closed.
No current control, fixed time for each step
Steps and time: (350 Hz – 2 min) (550 Hz – 4 min) (700 Hz – 6
min) (850 Hz – 8 min) (963 Hz – 10 sec)
Max power: 150 W (same as in "normal operation" and "start").
Max time to complete the ramp between one step and the next: 5
min; if this time is not enough the controller goes in fail ("too
high load") and the relay is opened.
Changed current threshold to go in Nomal at 1.3 A.
the customer supplies the 24 Vdc
the customer does not supply the 24 Vdc.
Special TV 301 Navigator Controller User Manual / 87-900-981-01 (E)
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