YASKAWA Varispeed L7 User Manual

4-36
Reference Detection: L4
Fault Restart: L5
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Regis-
ter
Page
V/f
Open
Loop
Vector
Closed
Loop
Vector
Display
L4-01
Speed agree-
ment detection
level
Effective when "f
out
/f
set
agree
1", "Frequency detection 1" or
"Frequency detection 2" is set
for a multi-function output.
0.0 to
120.0
*
0.0 Hz No A A A 499H 5-23
Spd Agree
Level
L4-02
Speed agree-
ment detection
width
Effective when "f
ref
/f
out
agree
1", "f
out
/f
set
agree 1" or "Fre-
quency detection 1" or "Fre-
quency detection 2" is set for a
multi-function output.
0.0 to
20.0
2.0 Hz No A A A 49AH 5-23
Spd Agree
Width
L4-03
Speed agree-
ment detection
level (+/-)
Effective when "f
out
/f
set
agree
2", "Frequency detection 3" or
"Frequency detection 4" is set
for a multi-function output.
-120.0
to
+120.0
*
0.0 Hz No A A A 49BH 5-23
Spd Agree
Lvl+-
L4-04
Speed agree-
ment detection
width (+/-)
Effective when "f
ref
/f
out
agree
2" "f
out
/f
set
agree 2", "Fre-
quency detection 3" or "Fre-
quency detection 4" is set for a
multi-function output.
0.0 to
20.0
2.0 Hz No A A A 49CH 5-23
Spd Agree
Wdth+-
L4-05
Operation
when fre-
quency refer-
ence is missing
0: Stop (Operation follows the
frequency reference.)
1: Operation continues at the
frequency, set in parameter
L4-06.
Frequency reference loss
means that the frequency
reference value drops over
90% in 400 ms.
0 or 1 0 No A A A 49DH 5-36
Ref Loss Sel
L4-06
Frequency ref-
erence value at
frequency ref-
erence loss
Sets the frequency reference
value when the frequency ref-
erence is missing
0.0 to
100.0%
80.0% No A A A 4C2H 5-36
Fret at Floss
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Register
Page
V/f
Open
Loop
Vector
Closed
Loop
Vector
Display
L5-01
Number of
auto restart
attempts
Sets the number of auto restart
attempts.
Automatically restarts after a
fault The retry fault code are
the followings
OV
UV1,GF,OC,OL2,OL3,OL4,
UL3,UL4,PF,LF,SE1,SE2,SE3
0 to 10 2 No A A A 49EH -
Num of
Restarts
L5-02
Auto restart
operation
selection
Sets whether a fault contact
output is activated during fault
restart.
0: No output (Fault contact is
not activated.)
1: Output (Fault contact is
activated.)
0 or 1 1 No A A A 49FH -
Restart Sel
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YASKAWA Varispeed L7 Specifications

General

Brand	YASKAWA
Model	Varispeed L7
Category	Inverter
Language	English