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TD - Series
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TD Series Digital Solid State Soft Starter 48 - 1250A
F013 = Accel Ramp Time of Ramp 1
Factory Setting = 10 seconds
Range = 1 - 120 seconds
Sets the time between the initial torque (set with F011 or F012) and
either the Max Current Limit (set with F014) or full output voltage. Set
time to enable soft starts without stalls. Also consider your motor’s
application. For example, centrifugal pumps may require a shorter ramp
time.
Note: Ramp time is affected by the following conditions:
1. Current limit will extend the ramp time if the motor does not reach full
speed while in current limit mode.
2. Anti-oscillation circuit will shorten the ramp time if the motor reaches
full speed before end of ramp.
F014 = Max Current Limit of Ramp 1
Factory Setting = 350%
Range = 200 - 600%
Sets the maximum motor current that the TD Starter will allow during
ramp 1. This limit applies to both voltage and current-type ramping.
Current will be limited to this setting until either the motor reaches full
speed or the over load protection feature trips (F003). Current
percentages are based on the Motor FLA as programmed in F001.
Once the motor has reached full speed, the current limit feature is
inactive.
For Ramp 2 (user-optional ramp)
This ramp is selected by closing the input on Terminals TB4 - Pins 1
and 3. If this input is left open, the TD will respond only to ramp 1
settings as listed above. Since ramp 2 is always used in combination
with ramp 1, different combinations of ramp profiles can be selected in
F010. Refer to Appendix 1 for additional information.
F015 = Initial Voltage of Ramp 2
Factory Setting = 60%
Range = 0 - 100%
Sets the initial voltage of ramp 2 when F010 = 1 or 4. The initial torque
level should be set to provide just enough torque to make the motor
shaft begin to rotate while preventing torque shock damage to
mechanical components.
F016 = Initial Current of Ramp 2
Factory Setting = 200%
Range = 0 - 600%
Sets the initial current of ramp 2 when F010 = 2 or 3. Current percentages
are based on the Motor FLA as programmed in F001. The initial torque
level should be set to provide just enough torque to make the motor
shaft begin to rotate while preventing torque shock damage to
mechanical components.
F017 = Accel Ramp Time of Ramp 2
Factory Setting = 10 seconds
Range = 1 - 120 seconds
Sets the time between the initial torque (set with F015 or F016) and
either the Max Current Limit (set with F014) or full output voltage. Set
time to enable soft starts without stalls. Also consider your motor’s
application. For example, centrifugal pumps may require a shorter time.
See notes under F013 for more details.