Protection parameters) – Toshiba Tosvert VF-A5 User Manual
Page 118
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r~
(Protection Parameters)
Function
Titte
Adjustment range
Ftesolution
DefwH
Page
Dynamic braking selection (DBR)
Pb I
j
0; No DBR
1: With DBR, no OLr detection
2: With DBR and OLr detection
Depends
on inverter
rating
77
2
* DBR resistor value
1....................... .
Pbr-
j *
1.0~1000
o.in
1
[ DBR capacity
P b C P j •
0.01~€00
0.01 kW
Overvoltage stall protection
QPSS I
1
I
0: ON
1: OFF
—
0
77
DC injection starting frequency
dbP j
0-120
0.1/0.01 Hz
0.0
74, 75. 76
1
Other [ DC injection current
than 0 j DC injection time
dbC
1
*
dbfc j •
0~100%/A
0~10
1%/A
0.1 sec.
0
0.0
Fomrard/reverse DC injection priority
control
dbSL’ 1
1
I
0: OFF
1; ON
—
0
75
Motor shaft stationary control
db j
1
0: OFF
1: ON
—
0
76
Emergency stop selection
2 j ESTOP DC injection time
£ S h P 1
1
j
E d b f c ^ •
0: Coast-stop
1: Decelerated stop
2: DC injection stop
0~10
0.1 sec.
0
0.1
78
Retry selection
1
_j_ _
0: no retry function
1~10: 1~10 times
—
0
78
li
Other } Retry time setting
than 0
1
1
nth
i.
1
1
0~10
0.1 sec.
1.0
Regeneration power ride-through
control
1
1
r
1
1
0: OFF
1: ON
— ,
0
79
1
1 j Ride-through time
Ut^Cb j .
0~25
0.1 sec.
2.0
Auto-restart (motor speed search)
R r - S f c i
1
j
1
I
0: OFF
1: On momentary power failure
2: On ST make/break (commercial power switching)
3: Both 1 and 2
0
79
Motor overload protection level
fcHr- ! i
10-100%/A
1%/A
100
72
OL reduction start-up frequency
C
1
0~30
0.1/0.01 Hz
30.0
72
Motor 150% overload time limit
oi 1» !
;
10-2400
10 sec.
600
72
OL selection
rtt rt
KJKm*
« 1
1
1
1
I
0; standard
-
1
-1: soft-stall ON
+2:
OLMt trip OFF
—
0
73
Stall protection
ShC ! I
I
0: ON
1; OFF
-
0
73
0 j Stall protection level (current
1
limit level adjustment)
StL : i »
1
10-215%/A
1%/A
150