Omron VARISPEED L7 User Manual

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5
Hardware Protection: L8
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Register
Page
V/f
Open
Loop
Vector
Closed
Loop
Vector
Closed
Loop
Vector
(PM)
Display
L8-02
Overheat pre-
alarm level
Sets the detection temperature
for the Inverter overheat detec-
tion pre-alarm in °C.
The pre-alarm detects when the
cooling fin temperature reaches
the set value.
50 to
130
90 °C
*1
*1. The factory setting depends upon the Inverter capacity. The value for a 200 V Class Inverter of 3.7 kW is given.
No A A A A 4AEH 6-47
OH Pre-Alarm Lvl
L8-03
Operation selec-
tion after overheat
pre-alarm
Sets the operation when an
Inverter overheat pre-alarm
occurs.
0:Decelerate to stop using the
deceleration time C1-02.
1:Coast to stop
2:Fast stop in fast-stop time
C1-09.
3: Continue operation (Monitor
display only.)
A fault will be given in setting
0 to 2 and a minor fault will be
given in setting 3.
0 to 3 3 No A A A A 4AFH 6-47
OH Pre-Alarm Sel
L8-07
Output open-phase
detection selection
0: Disabled
1:Enabled, 1 Phase Observa-
tion
2: Enabled, 2 and 3 Phase
Observation
An output open-phase is
detected at less than 5% of
Inverter rated current.
When the applied motor capac-
ity is small compared to the
Inverter capacity, the detection
may not work properly and
should be disabled.
0 to 2 2 No A A A A- 4B3H 6-48
Ph Loss Out Sel
L8-09
Ground fault
detection selection
0: Disabled
1: Enabled
0 or 1 1 No A A A A 4B5H 6-48
Ground Fault Sel
L8-10
Cooling fan
control selection
Set the ON/OFF control for the
cooling fan.
0:ON when Inverter is
running only
1:ON whenever power is ON
0 or 1 0 No A A A A 4B6H 6-49
Fan On/Off Sel
L8-11
Cooling fan con-
trol delay time
Set the time in seconds to delay
turning OFF the cooling fan
after the inverter STOP com-
mand is given. (Valid only if
L8-10 = 0)
0 to 300 60 s No A A A A 4B7H 6-49
Fan Delay Time
L8-12
Ambient
temperature
Sets the ambient temperature. 45 to 60 45 °CNo A A A A 4B8H6-49
Ambient Temp
L8-18
Soft CLA selection
0: Disable
1: Enable
0 or 1 1 No A A A - 4BFH --
Soft CLA Sel
L8-20
Output phase loss
detection time Sets the detection time of out-
put phase loss detection (LF.)
0.0 to
2.0
0.2sec No A A A A 4C0H 6-48
Pha loss det T

Omron VARISPEED L7 Specifications

General

Brand	Omron
Model	VARISPEED L7
Category	Inverter
Language	English