LS ELECTRIC SV-iS7 Series, Руководство пользователя

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Using Protection Features
328
To protect the motor from overload faults, the inverter output frequency is adjusted
automatically, based on the size of load.
Group Code LCD Display Parameter Setting Setting Range Unit
PRT
50
Stall Prevent &
Flux Braking
- 0 0000 - Bit
51 Stall Freq 1 - 60.00 Starting Freq – Stall Freq 1 Hz
52 Stall Level 1 - 180 30 – 250 %
53 Stall Freq 2 - 60.00 Stall Freq 1 – Stall Freq 3 Hz
54 Stall Level 2 - 180 30 – 250 %
55 Stall Freq 3 - 60.00 Stall Freq 2 – Stall Freq 4 Hz
56 Stall Level 3 - 180 30 – 250 %
57 Stall Freq 4 - 60.00 Stall Freq 3 – Max. Freq Hz
58 Stall Level 4 - 180 30 – 250 %
OUT 31 – 33 Relay1,2, Q1 9 Stall - -
Stall Prevention Function and Flux Braking Setting Details
Code Description
PRT-50 Stall
Prevent
Stall prevention can be configured for acceleration, deceleration, or while operating
a motor at constant speed. When the LCD segment is on, the corresponding bit is
off.
Item Bit Status (On) Bit Status (Off)
Keypad display
Setting Function
Bit5 Bit 4 Bit 3 Bit 2 Bit 1

Stall protection during acceleration

Stall protection while operating at a constant speed

Stall protection during deceleration

Flux braking during deceleration

Stall protection during acceleration & constant
speed