Mitsubishi Electric FR-A720-0.4K Specifications Page 59
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Features
Standard
Specifications
Outline
Dimension
Drawings
Operation
Panel
Protective
Functions
OptionsInstructionsMotorCompatibilityWarrantyInquiry
Terminal Connection
Diagram
Terminal Specification
Explanation
Parameter
List
Explanations
of
Parameters
Peripheral
Devices
62
When setting parameters, refer to the instruction manual (applied) and understand instructions.
When a power failure or undervoltage occurs, the inverter can be
decelerated to a stop or can be decelerated and re-accelerated to
the set frequency.
* When the setting of Pr.21 Acceleration/deceleration time increments is "0"
(initial value), the setting range is "0 to 3600s" and setting increments are
"0.1s" and when the setting is "1", the setting range is "0 to 360s" and the
setting increments are "0.01s".
(1) Power failure stop mode (Pr.261="1" "11")
⋅ If power is restored during power failure deceleration,
deceleration to a stop is continued and the inverter
remaines stopped. To restart, turn off the start signal once,
then turn it on again.
(2) Original operation continuation at instantaneous
power failure function (Pr.261="2" "12")
⋅ When power is restored during deceleration after a power
failure, acceleration is made again up to the set frequency.
⋅ When this function is used in combination with the
automatic restart after instantaneous power failure
operation, deceleration can be made at a power failure
and acceleration can be made again after power
restoration.
When power is restored after a stop by deceleration at an
instantaneous power failure, automatic restart operation is
performed if automatic restart after instantaneous power
failure has been selected (Pr.57
≠ "9999")
Operation at instantaneous power failure
Pr.261 Power failure stop selection Pr.262
Subtracted frequency at deceleration start
Pr.263 Subtraction starting frequency Pr.264
Power-failure deceleration time 1
Pr.265 Power-failure deceleration time 2
Pr.266 Power failure deceleration time switchover frequency
Pr.294 UV avoidance voltage gain
Pr.
Number
Setting Range Description
261
0(initial value)
Coasting to stop
When undervoltage or power failure
occurs, the inverter output is shut off.
1
Without UV
avoidance
When undervoltage or
a power failure occurs,
the inverter can be
decelerated to a stop.
11
With UV
avoidance
2
Without UV
avoidance
When undervoltage or
a power failure occurs,
the inverter can be
decelerated to a stop.
If power is restored
during a power failure,
the inverter accelerates
again.
12
With UV
avoidance
262 0 to 20Hz
Normally operation can be performed
with the initial value unchanged. But
adjust the frequency according to the
magnitude of the load specifications
(moment of inertia, torque).
263
0 to 120Hz
When output frequency ≥ Pr.263
Decelerate from the speed obtained
from output frequency minus Pr.262.
When output frequency ≤ Pr.263
Decelerate from output frequency
9999
Decelerate from the speed obtained
from output frequency minus Pr. 262.
264 0 to 3600s/360s *
Set a deceleration slope down to the
frequency set in Pr.266.
265
0 to 3600s/360s *
Set a deceleration slope below the
frequency set in Pr.266.
9999
Same slope as in Pr.264
266 0 to 400Hz
Set the frequency at which the
deceleration slope is switched from the
Pr.264 setting to the Pr.265 setting.
294 0 to 200%
Adjust response level at UV avoidance
operation. A larger setting will improve
responsiveness to the bus voltage
change. Since the regeneration amount
is large when the inertia is large,
decrease the setting value.
Pr.
261 to 266, 294
P
r.
Pr.264
Power-failure
deceleration time 1
Pr.265
Power-failure
deceleration
time 2
Time
Power supply
Output
frequency
Subtracted
frequency at
deceleration start
Pr.262
Power-failure
deceleration
time switchover
frequency
P
r.266
267
Refer to the section about Pr. 73.
268
Refer to the section about Pr.52.
269
Parameter for manufacturer setting. Do not set.
During deceleration at
occurrence of power failure
During stop at
occurrence of
power failure
STF
Y46
Time
Turn off STF once to make acceleration again
Power
supply
Output frequency
Pr.261 = 1
IPF
Power
supply
Time
Output
frequency
Y46
During deceleration
at occurrence of
power failure
Reacceleration
When power is restored during
deceleration
Pr.261 = 2
During power failure
Power
supply
Output
frequency
Y46
During deceleration
at occurrence of
power failure
Automatic restart
after instantaneous
power failure
Reset time + Pr.57
Pr.261 = 2, Pr.57 9999
When used with automatic restart
after instantaneous power failure
Time
Pr.
Pr.
Pr.
Pr.
Pr.
Pr.
- [Highest level of inverter] 2
- 200V class 5
- 400V class 5
- Standard Specifications 6
- Common specifications 7
- Outline Dimension Drawings 8
- Inverter Type H H1 D D1 9
- (Unit: mm) 10
- FR-A720-75K, 90K 11
- FR-A740-110K, 132K 11
- DC reactor supplied 11
- Unit: mm) 11
- FR-A740-315K, 355K 13
- FR-A740-400K, 450K, 500K 14
- Heatsink protrusion procedure 16
- Panel cutting 17
- Inverter Type D1 18
- Terminal Connection Diagram 19
- Terminal 20
- Terminal Name Description 20
- Main circuit 22
- Control circuit 22
- Torque control 23
- Position control 23
- Operation Panel (FR-DU07) 24
- Operation mode switchover 25
- Monitor/frequency setting 25
- Parameter List 26
- Terminal Connection 27
- Terminal Specification 27
- Explanation 27
- , 2 1 0 67 33
- , 9999 1 9999 67 33
- *2 9999 55 36
- 73 38
- 0, 46, 112 39
- 1, 2, 18 39
- 3, 19, 47, 113 39
- 4 to 6, 24 to 27, 232 to 239 39
- 10 to 12, 802, 850 40
- 24 to 27 42
- Output frequency (Hz) 43
- Output frequency 43
- 31 to 36 44
- 37, 144, 505, 811 44
- 41 to 43, 50, 116, 865 44
- 55, 56, 866 45
- 57, 58, 162 to 165, 299, 611 46
- 61 to 64, 292, 293 47
- 65, 67 to 69 48
- Analog input selection 49
- 73, 242, 243, 252, 253, 267 49
- 74, 822, 826, 832, 836, 849 49
- Frequency 50
- Operation mode selection 51
- 100 equals the 53
- Modbus-RTU protocol 54
- 127 to 134, 575 to 577 55
- 135 to 139, 159 55
- 150 to 153, 166, 167 55
- 160, 172 to 174 56
- 178 to 189 57
- 190 to 196 57
- 245 to 247 58
- 251, 872 58
- 255 to 259 58
- ≠ "9999") 59
- 270 to 274, 4, 5 60
- Stop-on contact control 60
- 270, 275, 276, 6 60
- Brake sequence function 61
- 278 to 285, 292 61
- 285, 853 61
- 286 to 288 62
- 291, 384 to 386 62
- 338, 339, 550, 551 62
- 359, 367 to 369 63
- 419, 464 to 494 64
- 419, 428 to 430 64
- 420, 421, 424 64
- 804 to 806 66
- 807 to 809 66
- 818, 819 66
- 840 to 848 68
- 858, 868 68
- 862, 863 69
- 882 to 886, 665 69
- 888, 889 70
- 892 to 899 70
- C0(900), C1(901) 70
- 989, CL, ALLC, Er.CL, PCPY 71
- Protective Functions 72
- Major failures 73
- Option and Peripheral Devices 74
- Stand-alone Shared 75
- Stand-alone Option 76
- Less than D 76
- Braking torque 78
- Brake unit selection table 79
- Inverter 80
- Brake unit 80
- Recommended cable size 82
- Cable Clamp MS3057-12A 83
- MCCB INV 84
- × (Ig1+Ign+lgi+Ig2+Igm) 85
- ≥ Ig × 10) 85
- Safety Precautions 86
- 0.4K 0.75K 88
- 1.5K or 88
- Leakage currents 89
- Application to Motor 90
- Output torque 91
- Motor type 92
- Dedicated motor model lineup 92
- Motor specification 93
- Dimensions table (Unit: mm) 94
- (1500r/min series) 94
- Section BB 96
- Section B 97
- (1500r/min series) 99
- Item FR-A500(L) FR-A700 101
- Warranty 102
- International FA center 103
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