Hardware Protection - Magnetek Impulse G+ series 4 Instruction Manual

Hardware Protection

®
The IMPULSE •G+ and VG+ Series 4 comes equipped with a number of built-in functions designed
to protect the inverter and its components from damage.
Parameter Display
L08-02 OH Pre-Alarm Lvl
L08-03 OH Pre-Alarm Sel
0 Decel to Stop
1 Coast to Stop
2 Fast Stop
3 Use B3-03 Method Uses programmed B03-03 Method
4 Alarm Only
5 Run@L8-19 Rate
L08-05 Ph Loss In Sel
0 Disabled
1 Enabled
L08-07 Ph Loss Out Sel
0 Disabled
1 1PH Loss Det
2 2/3PH Loss Det
L08-09 Ground Fault Sel
0 Disabled
1 Enabled
L08-10 Fan On/Off Sel
0 Dur Run (OffDly)
1 Always On
L08-11 Fan Delay Time
L08-12 Ambient Temp
L08-13 UV3 Detect
0 Disabled
1 Enabled
L08-15 OL2 Sel @ L-Spd
0 Disabled
1 Enabled
* Initial value is dependent on drive size, which is determined by O02-04 (kVA selection)
** Initial value is dependent on carrier. 2kHz = 0, else 1
Table 5-100: Hardware Protection Parameter Settings
Function
Sets the heatsink temperature level for
protection against
overheat (OH).
NOTE:
Selects the stopping method when
heatsink overheat is detected.
Decel to stop using B05-02
Immediate stop
Decel to stop using B05-08
Operation continues and "OH
Heatsink Overtemp" is displayed on
keypad
Continue operation at reduced speed
as set in L08-19.
Input phase loss detection
Output phase loss detection
Enables/disables ground fault
detection
Cooling fan operation select
When L08-10 = 0, fan will operate
L08-11 seconds after Run Command
is removed
Adjusts Overload (OL2) Protection for
high ambients
Enabled Soft Charge Bypass Circuit
Fault
Enables/disables OL when output
frequency < 6 Hz
IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
The inverter measures
heatsink temperature by
an negative temperature
coefficient thermistor.
Range Default
50–150°C *
0–5 3
0, 1 1
0–2 1
0, 1 1
0, 1 0
0–300 sec 60
-10–50°C 40
0, 1 1
0, 1 0**
5-115