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7-44
7-2-7 Protection Parameter Lists
H
Motor Overload: L1
Para
meter
Name
Description
Set-
ting
De-
fault
Chan-
ges
Control mode
Page
meter
No.
Display name
ting
rang
e
fault
set-
ting
ges
dur-
ing
op-
era-
tion
V/f
con-
trol
V/f
with
PG
Open
loop
vec-
tor
Flux
vec-
tor
L1-01
Motor protection
selection
Sets whether the motor overload
function is enabled or disabled at
electric thermal overload relay.
0:
Disabled
1:
Enabled
Note: In some applications when the
Inverter power supply is turned
off, the thermal value is reset,
so even if this parameter is set
0, 1
1
NO
B
B
B
B
6-98
MOL Fault Select
so even if this parameter is set
to 1, (Enabled), protection may
not be effective.
When several motors are con-
nected to one Inverter, set to 0
(Disabled) and ensure that each
motor is installed with a protec-
tion device.
L1-02
Motor protection
time constant
Sets the electric thermal detection
time in units of seconds.
Note: Usually setting is not necessary.
The default setting is 150%
overload for one minute.
When the motor’s overload re
0.1 to
5.0
1.0
NO
B
B
B
B
6-98
MOL Time Const
When the motor’s overload re-
sistance is known, set at the
overload resistance when the
motor is hot started. (Always
leave a margin for error.)
H
Power Loss Ridethrough: L2
Para
meter
Name
Description
Setting
range
Default
setting
Chan-
ges
Control mode
Page
meter
No.
Display
name
range
setting
ges
during
opera-
tion
V/f
control
V/f
with
PG
Open
loop
vector
Flux
vector
L2-01
Momentary
power loss
selection
0:
Disabled (Undervoltage
fault detection)
1:
Enabled (Restarted when
the power returns within the
time for L2-02. When L2-02
is exceeded, undervoltage
fault detection )
0 to 2
0
NO
B
B
B
B
6-99
PwrL
Selection
fault detection.)
2:
Enabled while CPU is
operating. (Restarts when
power returns during control
operations. Does not detect
undervoltage fault.
L2-02
Momentary
power loss
ridethru
Sets the recovery time, when
momentary power loss selection
(L2-01) is set to 1, in units of
d
0.0 to
2.0
0.7
(See
note 1.)
NO
B
B
B
B
6-99
PwrL
Ridethru t
(
)
,
one second.
)
Parameter Lists
Chapter 7
Содержание SYSDRIVE 3G3FV
Страница 1: ...USER S MANUAL High function General purpose Inverter SYSDRIVE 3G3FV Cat No I516 E1 4 ...
Страница 16: ...Chapter 1 Introduction 1 1 Function 1 2 Nomenclature 1 3 New Functions 1 ...
Страница 33: ...Chapter 2 Installation 2 1 Mounting 2 2 Wiring 2 ...
Страница 112: ...Chapter 4 Trial Operation 4 1 Procedure 4 2 Operation Example 4 ...
Страница 289: ...Chapter 7 Parameter Lists 7 1 Initialize Mode Parameters 7 2 Program Mode Parameter List 7 ...
Страница 366: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9 ...
Страница 395: ...Chapter 10 Appendix 10 1 Notes on Using the Inverter for a Motor 10 ...