Chapter 3: Configuration and Parameters
Page 3–57Stellar
®
SR55 Series Soft Starter User Manual – 1st Ed, Rev F – 09/18/2019
parameTer deTails – “moniTor” menu of parameTers (ConTinued)
P15.16 – Ref PF Degrees Type:
Description:
Read Only
The Reference Power Factor used by the iERS saving function. This is the target Power Factor
for the iERS saving function. The parameter will change dynamically depending on motor
operation. The parameter displays the displacement part of the True Power Factor, and is used
for diagnostic purposes.
Range: Modbus Decimal Value: Default:
0° – 90° linear scale (1 = 1° of mains cycle)
Time(ms)=(Value/LineFreq)*(25/9)
0°
Modbus Address: Modbus Format:
21760 ( 5500 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Monitor → Ref PF Degrees
P15.17 – Start Saving Level Type:
Description:
Read Only
• The current in Amps at which the iERS is enabled or disabled.
The iERS function is active when the motor current is less than the “Start Saving Level.”
• When the iERS function is disabled, internal bypass relays close to improve efficiency.
Range: Modbus Decimal Value: Default:
50% I-motor – 80% I-motor linear scale ( 1 = 0.006104 % )
50% – 80% = (8191 – 13106)
x% / 0.006104% = Modbus dec. value
EX: Modbus value of 9000 = 54.936%
80%
I-motor
Modbus Address: Modbus Format:
21320 ( 5348 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Monitor → Start Saving Level
Each SR55 is tested at the factory. The Last Peak (Start) Current default may vary depending
on the load that was tested.
P18.0 – Last Peak (Start) Current Type:
Description:
Read Only
Displays the peak current of the last successful start.
Range: Modbus Decimal Value: Default:
0A – 10,000A linear scale (1 = 1mA) 0A
Modbus Address: Modbus Format:
38400/38401 ( 9600/9601 hex ) 32-bit unsigned
Touchscreen Menu Path:
Home → Monitor → Last Peak Current
(also Home → Log → Start Current Log → Last Peak Current)
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