Hello AutoGen_d6b31,

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AutoGen_d6b31

Good morning, everyone.

I'm asking about an issue with the V20 drives installed in the plant (five in total).
I'm trying to configure the coast to a stop function (OFF2), but I can't get it to work as expected.

I currently have parameter P0703 = 3, i.e., OFF2, assigned to digital input DI3.

The operating principle is as follows:

With DI1, the drive starts.
With DI2, it selects a preconfigured fixed frequency (which cannot be modified from the panel).
With DI3, I want to activate coast to a stop, allowing the motor to coast to a stop.

Let me explain how the signals are configured:

– When DI1 has voltage, DI2 also has power, and DI3 does not.
– When DI1 has no voltage, DI2 also has power, and DI3 does.

Could it be that I'm missing an additional parameter?
Or is there something in the control logic that I'm misinterpreting?

I welcome any comments or suggestions you may have.
And if this isn't the appropriate channel for this type of query, please let me know who I should contact.

Thank you and best regards.
I'm leaving the form with the parameters, in case it helps.

Kind regards, Moderator_Lan

gracias por la recomendacion

I leave the parameters better noted

PARAMETER = VALUE = REMARKS

P0010 = 30 = Factory setting
P0970 = 21 = Parameter reset
P0030 = 3 = Expert
P0100 = 0 = Europe [kW], 50 Hz
P0304 = S/P = sugun motor plate
P0305 = S/P = sugun motor plate
P0307 = S/P = sugun motor plate
P0308 = S/P = sugun motor plate
P0309 = S/P = sugun motor plate
P0310 = S/P = sugun motor plate
P0311 = S/P = sugun motor plate

Cn003 - Cn003 active with modifications
P0700 = 2 = Terminal as command source
P1000 = 3 = Fixed frequency
P0701 = 1 = ON/OFF
P0702 = 15 = Fixed speed bit 0
P0703 = 3 = OFF2: Coast to stop
P0704 = 0 = Digital input disabled
P1016 = 1 = Direct selection mode
P1020 = 722.1 = DI2
P1021 = 722.2 = DI3
P1022 = 722.3 = DI4
P1001 = 50 = Low speed
P1002 = 0 = Medium speed
P1003 = 0 = High speed
P0771 = 21 = Actual frequency
P0731 = 52.2 = Inverter running
P0732 = 52.3 = Inverter fault active

AP030 -AP030 active
P1300 = 1 = U/f with FCC
P1312 = 30 = Boost is only effective When accelerating for the first time (stop)
P1120 = 5 = Acceleration time from zero to maximum frequency
P1121 = 5 = Deceleration time from maximum frequency to zero

P1080 = 0 = Minimum frequency
P1082 = 50 = Maximum frequency