EM330D User Manual
A Special Purpose Inverter for Hoisting
85
DC bus voltage
Time
Output
Frequency
Overvoltage
Protection
Upper Limit of
Overvoltage Stall
Lower Limit of
Overvoltage Stall
Enabled
Enabled
Figure 7-13 Overvoltage Stall Protection
FC-19 tens place=0 Dynamic brake disabled
Regardless how big the DC bus is, braking input power will not work.
FC-19 tens place=1 Dynamic brake enabled when inverter is running.
When inverter is running, DC bus voltage > overvoltage threshold, braking unit discharge
starts. When DC bus voltage drops, and DC bus voltage < overvoltage threshold, braking
unit shall be turned off immediately.
FC-19 tens place=2 Dynamic brake enabled when inverter is power-on.
If DC bus voltage > overvoltage threshold, braking unit discharge starts. When DC bus
voltage drops, and DC bus voltage < overvoltage threshold, braking unit shall be turned off.
FC-19 thousands place=0 Overvoltage stall protection disabled.
Set FC-19 thousands place=0, when connected to braking resistor, inverter needs quick
acceleration/deceleration.
FC-19 thousands place=1 Not used
FC-19 thousands place=2 Not used
Disabled Trips
No.
Function
Range
Unit
Default
Type
FC-28
Disabled
Trips 1
Ol
ILP
SLU SOU SOC
*
*
*
00000000
〇
0
0
0
0
0
0
0
0
0
：
Enabled
，
1: Disabled, *: Not used
FC-29
Disabled
Trips 2
EEd
EST
PdN
PUP
*
EXT OLP
OH
00000010
〇
0
0
0
0
0
0
1
0
0
：
Enabled
，
1: Disabled *: Not used
FC-30
Disabled
Trips 3
*
*
*
SIE
SrE
SFE
STP
EEU
00000000
〇
0
0
0
0
0
0
0
0
0
：
Enabled
，
1: Disabled *: Not used
Bit setting value=0
When the fault corresponding to this bit is detected, inverter stops to
output and enters fault status.
Bit setting value=1
When the fault corresponding to this bit is detected, inverter will keep
its original status without tripping.
