Omron VARISPEED E7 User Manual page 124

Variable torque frequency inverter
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Hardware Protection: L8
Param-
eter
Name
Number
Sets the detection temperature for
the Inverter overheat detection pre-
alarm in °C.
Overheat pre-
L8-02
alarm level
The pre-alarm detects when the
cooling fin temperature reaches the
set value.
Sets the operation for when the
Inverter overheat pre-alarm occurs.
0: Decelerate to stop using the
1: Coast to stop
2: Fast stop in fast-stop time
Operation selec-
L8-03
tion after over-
3: Continue operation (Monitor
heat pre-alarm
4: OH-Alarm and output fre-
A fault will be given in setting 0 to
2 and a alarm will be given in set-
ting 3 and 4.
Input Phase Loss
Allowed DC bus ripple before
L8-06
Detection Level
Input Phase Loss is detected.
0: Disabled
Ground fault pro-
1: Enabled
L8-09
tection selection
It is not recommended to use
another setting than factory setting.
Sets the ON/OFF control for the
cooling fan.
Cooling Fan con-
0: ON only when RUN command
L8-10
trol selection
is on
1: ON whenever inverter is pow-
ered up
Set the time in seconds to delay
Cooling fan con-
turning OFF the cooling fan after
L8-11
trol delay time
the inverter STOP command is
given.
Ambient temper-
L8-12
Set the ambient temperature.
ature
0: OL2 characteristics at low
OL2 characteris-
1: OL2 characteristics at low
L8-15
tics selection at
low speeds
It is not recommended to use
another setting than factory setting.
0: Disable (gain = 0)
Soft CLA selec-
1: Enable
L8-18
tion
It is not recommended to use
another setting than factory setting.
Sets the frequency reference when
Frequency refer-
OH pre-alarm is detected in per-
L8-19
ence during OH
cent of maximum frequency (E1-
pre-alarm
04)
* The factory setting depends upon the Inverter capacity. The value for a 200 V Class Inverter of 0.4 kW is given.
Description
deceleration time C1-02.
C1-09.
display only.)
quency reduction (L8-19)
speeds disabled.
speeds enabled.
Change
Setting
Factory
during
Access
Range
Setting
Opera-
Level
tion
50 to
95 °C*
No
A
130
0 to 4
4
No
A
0.0 to
5%
No
A
25.0%
0 or 1
1
No
A
0 or 1
0
No
A
0 to
300 s
No
A
300
45 to
45 °C
No
A
60
0 or 1
1
No
A
0 or 1
1
No
A
0.0 to
20.0%
No
A
100.0
MEMO-
BUS
Page
Register
4AEH
6-46
4AFH
6-46
4B2H
6-46
5
4B5H
6-47
4B6H
6-47
4B7H
6-47
4B8H
6-48
4BBH
6-48
4BEH
6-49
4BFH
6-46
37
5-

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