Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 411

Pr. Name
22 Stall prevention
H500 operation level
156 Stall prevention
H501 operation selection
Second stall
48
prevention operation
H600
level
Second stall
49
prevention operation
H601
frequency
114 Third stall prevention
H602 operation level
115 Third stall prevention
H603 operation frequency
Stall prevention
23 operation level
H610 compensation factor at
double speed
Stall prevention
66
operation reduction
H611
starting frequency
148 Stall prevention level at
H620 0 V input
149 Stall prevention level at
H621 10 V input
Voltage reduction
154
selection during stall
H631
prevention operation
157
OL signal output timer
M430
858 Terminal 4 function
T040 assignment
868 Terminal 1 function
T010 assignment
*1 The upper limit of stall prevention operation is limited internally to the following.
120% (SLD rating), 150% (LD rating), 220% (ND rating), or 280% (HD rating)
410
5. PARAMETERS
5.10 (H) Protective function parameter
Initial value
Setting range
FM CA
0
150%
*1
0.1 to 400%
0 0 to 31, 100, 101
0
150%
*1
0.1 to 400%
0
0 Hz 0.01 to 590 Hz
9999
0
150%
*1
0.1 to 400%
0
0 Hz
0.01 to 590 Hz
0 to 200%
9999
9999
60 Hz 50 Hz 0 to 590 Hz
*1
150%
0 to 400%
*1
200%
0 to 400%
0
1
1
10
11
0 to 25 s
0 s
9999
0 0, 1, 4, 9999
0 0 to 6, 9999
Description
Stall prevention operation disabled.
Set the current limit at which the stall prevention operation
starts.
Enable/disable the stall prevention operation and the fast-
response current limit operation.
Second stall prevention operation disabled.
The stall prevention operation level can be changed using the
RT signal.
Second stall prevention operation disabled.
Set the frequency at which the Pr.48 stall prevention
operation starts.
Pr.48 is enabled when the RT signal is ON.
Third stall prevention operation disabled.
The stall prevention operation level can be changed using the
X9 signal.
Third stall prevention operation disabled.
Set the frequency at which the stall prevention operation
starts when the X9 signal turns ON.
The stall operation level when running at high speeds above
the rated frequency can be reduced.
Stall prevention operation disabled at double speed.
Set the frequency at which the stall operation level reduction
starts.
The stall prevention operation level can be changed by the
analog signal input to the terminal 1 (terminal 4).
Output voltage reduction
Enable/disable the output
enabled
voltage reduction during stall
Output voltage reduction
prevention operation.
disabled.
Output voltage reduction Use this setting when the
enabled overvoltage protective function
(E.OV[]) is activated during stall
prevention operation in an
Output voltage reduction
application with large load
disabled.
inertia.
Set the OL signal output start time when stall prevention is
activated.
No OL signal output.
When set "4", the stall prevention level can be changed with
the signal to the terminal 4.
When set "4", the stall prevention level can be changed with
the signal to the terminal 1.