Page 3–24 Stellar
®
SR55 Series Soft Starter User Manual – 1st Ed, Rev F – 09/18/2019
Chapter 3: Configuration and Parameters
parameTer deTails – “advanCed” menu of parameTers (ConTinued)
P2.7 – Auto Smooth Stop Hold. Reg. Type:
Description:
Read/Write
Automatically controls the soft stop to eliminate oscillations that can occur towards the end of
the ramp.
Range: Modbus Decimal Value: Default (decimal):
• Off : The soft stop is not adjusted, and torque fluctuations
may cause instability. This can often occur in pumping
applications.
• On : The soft stop is adjusted when oscillations are detected.
Refer to “Auto smoothing Level.”
• 0
• 1
• Off (0)
Modbus Address: Modbus Format:
20224 ( 4F00 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Automatic Settings → Auto Smooth Stop
P2.8 – Auto Smoothing Level
Type:
Description:
Read/Write
Adjusts the response of the “Automatic smoothing.”
• Increase to provide a greater smoothing effect if there are torque fluctuations that occur during
the soft stop.
• When set to zero, the smoothing is effectively disabled.
Range: Modbus Decimal Value: Default:
10% – 100% linear scale ( 1 = 0.006104 % )
10% – 100% = (1638 – 16384)
x% / 0.006104% = Modbus dec. value
EX: Modbus value of 2900 = 17.7016%
50%
Modbus Address: Modbus Format:
20672 ( 50C0 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Automatic Settings → Auto Smoothing Level
P2.9 – Automatic End Start (2) Hold. Reg. Type:
Description:
Read/Write
Automatically controls the time taken for the motor to start.
Range: Modbus Decimal Value: Default (decimal):
• Off : The ramp time depends on the “Start Time” and “Current
Limit.”
• On : The ramp time is shortened if the motor current falls below
the current limit level before the end of the “Start Time.”
• 0
• 1
• Off (0)
Modbus Address: Modbus Format:
19904 ( 4DC0 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Automatic Settings → Automatic End Start (2)
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