Automation Direct Stellar SR55 Series, User Manual

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Page 3–30 Stellar
®
SR55 Series Soft Starter User Manual – 1st Ed, Rev F – 09/18/2019
Chapter 3: Configuration and Parameters
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P5.1 –
Trip Class
Hold. Reg. Type:
Description:
Read/Write
• The trip class is a numeric value that correlates the trip time with overload level. Select “Trip
Class” according to application requirements.
• The trip time depends on the selected Trip Class, the duration of the overload and the level of
the overcurrent. Refer to the Motor Overload ‘cold’ trip curves given in the Quick-Start Guide.
• When “Class 20” or “Class30” are selected, the SR55 current rating will be reduced to a lower
value.
Range: Modbus Decimal Value: Default (decimal):
• 10
• 20
• 30
• 10
• 20
• 30
• 10 (10)
Modbus Address: Modbus Format:
25664 ( 6440 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Motor Protection → Trip Class
P5.2 –
Low Current Trip
Hold. Reg. Type:
Description:
Read/Write
This can be used to detect if the motor is running lightly loaded.
Range: Modbus Decimal Value: Default (decimal):
• Off : The SR55 will continue to operate regardless of motor
current.
• On : The SR55 will trip when lower than expected current draw
occurs. This trip is constrained by the Low Current Trip
Level and the Low Current Trip Time. This feature is not
active during soft start and soft stop.
• 0
• 1
• Off (0)
Modbus Address: Modbus Format:
53787 ( D21B hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Motor Protection → Low Current Settings → Low Current Trip
(also Home → Advanced → Trip Settings → Low Current Trip)
P5.3 –
Low Current Trip Level
Type:
Description:
Read/Write
The current in Amps that will cause a trip.
• A trip will occur if the motor current is less than the “Trip Level” for the “Trip Time.”
Range: Modbus Decimal Value: Default:
25% I-motor – 100% I-motor linear scale ( 1 = 1mA ) 25%
I-motor
Modbus Address: Modbus Format:
26304 ( 66C0 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Motor Protection → Low Current Settings → Low Current Trip Level
P5.4 – Low Current Trip Time Type:
Description:
Read/Write
The trip time for the Low current trip.
• A trip will occur if the motor current is less than the “Trip Level” for the “Trip Time.”
Range: Modbus Decimal Value: Default:
100ms – 9000ms linear scale ( 1 = 1 ms ) 100ms
Modbus Address: Modbus Format:
26368 ( 6700 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Motor Protection → Low Current Settings → Low Current Trip Time