Mitsubishi Electronics FR-V540-1.5K to 55K ユーザーズマニュアル
156
Additional function 2 (Pr. 252, Pr. 253)
3.24 Additional function 2 (Pr. 252, Pr. 253)
3.24.1 Override bias, gain (Pr. 252, Pr. 253
)
3.25 Power failure stop functions (Pr. 261 to Pr. 266)
3.25.1 Power-failure deceleration stop function (Pr. 261 to Pr. 266
)
When override is selected in Pr. 73 "speed setting signal", the override range can be extended from 50%-
150% to 0%-200% and set as desired.
Parameter
Name
Setting
Range
Minimum Setting
Increments
Factory Setting
Remarks
252
Override bias
0
to
200
%
0.1
%
50
%
Extended mode
253
Override gain
0
to
200
%
0.1
%
150
%
Related parameters
•
⇒ Pr. 73 "speed setting signal" (Refer to page 113.)
When a power failure or undervoltage occurs, the inverter can be decelerated to a stop.
z Remove the jumpers from across terminals R-R1 and S-S1, and connect terminal R1 to terminal P and
terminal S1 to terminal N.
Parameter
Name
Factory Setting
Setting Range
Remarks
261
Power failure stop
selection
selection
0
0, 1
Extended mode
262
Subtracted speed at
deceleration start
deceleration start
90r/min
0 to 600r/min
263
Subtraction starting
speed
speed
1500r/min
0 to 3600r/min, 9999
264
Power-failure
deceleration time 1
deceleration time 1
5s
0 to 3600/0 to 360s
265
Power-failure
deceleration time 2
deceleration time 2
9999
0 to 3600/0 to 360s, 9999
266
Power-failure
deceleration time
switchover speed
deceleration time
switchover speed
1500r/min
0 to 3600r/min
speed
torque
O
ver
ride
amo
u
nt
(
%
)
Pr.252
0V
5V
10V
0
50
100
150
200
Factory setting
(50% to 150%)
(50% to 150%)
Voltage across terminals 2-5
Pr.253
speed
torque
Subtracted speed
Pr.262
Pr.264
Power-failure deceleration time 1
Pr.265
Power-failure deceleration time 2
Time
Power supply
Output speed
Switchover
speed
speed
Pr.266