40
Second Functions (Constant Nos. 20 to 29)
Function
No.
Name
Description
Initial
set-
ting
User
set
values
See
page
REV run pro-
hibit
20
Run signal
selection 2
1
st
digit
= 0: REV run enabled
= 1: REV run disabled
0000
1
st
45
Operator
stop key pre-
cedence
2
nd
digit = 0: STOP Key effective
= 1: STOP Key ineffective
1
st
digit
4
th
digit
–––
3
rd
digit
Not used.
---
Stall preven-
tion during
deceleration
4
th
digit
= 0: Stall prevention during decel-
eration provided
= 1: Stall prevention during decel-
eration not provided (at brak-
ing resistor connected)
50
–––
21
Output moni-
tor selection
1
st
digit
Not used.
0000
49
Analog moni-
tor selection
2
nd
digit = 0: Analog monitor - output fre-
quency
= 1: Analog monitor - output cur-
rent
(Analog monitor gain s set by constant No.
45.)
S-curve at
accel/decel
time
S-curve at
accel/decel
time
No S-curve
3rd digit = 0, 4th digit = 0
S-curve: 0.2 s
3rd digit = 0, 4th digit = 1
S-curve: 0.5 s
3rd digit = 1, 4th digit = 0
S-curve: 1.0 s
3rd digit = 1, 4th digit = 1
58
Output fre-
quency con-
22
Frequency
reference gain
Setting unit: 0.01, setting range: 0.01 to 2.00 1.00
48
q
y
trol (see note
2)
23
Frequency
reference bias
Setting unit: 0.01, setting range: –1.00 to
1.00
0.00
48
Frequency
limit control
24
Frequency
upper limit
Setting unit: 1%, setting range: 0 to 110%
100%
50
25
Frequency
lower limit
Setting unit: 1%, setting range: 0 to 110%
0%
DC injection
braking
26
DC injection
braking cur-
rent
Setting unit: 1%, setting range: 0 to 100% of
Inverter rated current.
50%
50
27
DC injection
braking time
at stop
Setting unit: 0.1 s, setting range: 0.0 to
25.5 s
0.5 s
28
DC injection
braking time
at start
Setting unit: 0.1 s, setting range: 0.0 to
25.5 s
0.0 s
Torque com-
pensation
29
Automatic
torque boost
gain
Setting unit: 0.1, setting range: 0.0 to 9.9
1.0
52
Note
1. When setting the second function, set
n%0
to 2 or 3.
2. Can be changed even during run.
Function/Constant List
Section 2-7
