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E6581301
F-24
6
6.14 Trip-less intensification
6.14.1 Retry function
H : Retry selection (selecting the no. of times)
Warning
Mandatory
• Stand clear of motors and equipment.
The motor and equipment stop when the alarm is given, selection of the retry function will restart them
suddenly after the specified time has elapsed. This could result in unexpected injury.
• Take measures for safety, e.g. attach a cover to the motor, to prevent accidents if the motor suddenly
restarts.
• Function
This parameter resets the inverter automatically when the inverter gives an alarm. During the retry mode,
the motor speed search function operated automatically as required and thus allows smooth motor
restarting.
[Parameter setting]
Title Function Adjustment range Default setting
H Retry selection (selecting the no. of times) : Deselect, ~ times
The likely causes of tripping and the corresponding retry processes are listed below.
Cause of tripping Retry process Canceling conditions
Momentary power failure
Overcurrent
Overvoltage
Overload
Up to 10 times in succession
1st retry : About 1 sec after tripping
2nd retry : About 2 sec after tripping
3rd retry : About 3 sec after tripping
...
10th retry : About 10 sec. after tripping
The retry function will be canceled at once
if tripping is caused by an unusual event
other than momentary power failure,
overcurrent, overvoltage or overload.
This function will also be canceled if a retry
is not successful within the specified
number of times.
Trips covered by the retry function
• E, , : Overcurrent
• ER, R, R : Overcurrent in DC section or
overheating of devices
• R, , : Overvoltage
• N: Inverter overload
• N: Motor overload
• NT: Braking resistor
overload
• J : Overheat
• UQWV: PM motor step-out
+The retry function is disabled in the following unusual events:
• EC, , : Arm overcurrent at start-up
• GRJ : Input phase failure
• GRJ : Output phase failure
• EN : Loaded side overcurrent at start time
• J : External thermal error
• WE : Low current
• WR : Voltage drop in main circuit
• V : Overtorque
• GH, GH : Ground fault
• G : Emergency stop
• GGR, , : EEPROM error
• GTT : Main RAM error
• GTT : Main ROM error
• GTT : CPU trip
• GTT : Interruption of operation command from
external control device
• GTT : Gate array fault
• GTT : Output current detector error
• GTT : Optional unit error
• G~
• Others (Other than trips covered by the retry function)
+Protective operation detection relay signals (FLA, FLB, FLC terminal signals) are not sent during use of the retry
function. (factory default setting)
+A virtual cooling time is provided for overload tripping (QN, QN, QNT).
⇒ See Section 13.2 for the virtual cooling time.
In this case, the retry function operates after the virtual cooling time and retry time.
+In the event of overvoltage tripping (QR~QR), re-tripping may result unless the DC voltage decreases below a
predetermined level.
+In the event of overheating-caused tripping (QJ), re-tripping may result unless the internal temperature decreases
below a predetermined level, since the internal temperature detection function of the inverter works.
- E6581301Ԙ 1
- I. Safety precautions 3
- Danger 4
- II. Introduction 9
- E6581301 11
- - Contents 11
- 1. Read first 17
- 1.3.1 Names and functions 18
- 1) Outside view 18
- 1.3.2 Detaching the cover 25
- 1.4 Notes on the application 30
- 1.4.1 Motors 30
- 1.4.2 Inverters 32
- ■ Disposal 32
- Warning 33
- 1.4.4 Installation 35
- ■ Installation environment 35
- ■ How to install 36
- 2. Connection equipment 41
- 2.2 Standard connections 43
- 2.3 Description of terminals 48
- 3. Operations 55
- Status monitor mode 56
- Standard monitor mode 56
- (when the power is turned on) 56
- Setting monitor mode 56
- Deceleration 57
- 3.2.2 Panel operation 61
- 4.1 How to set parameters 64
- 5. Basic parameters 67
- CW : Automatic torque boost 69
- ■ Preset speed operation 74
- + The inverter is factory 75
- +To save the frequency 75
- HE and the set 75
- 5.6 Selecting control mode 77
- 2) Decreasing output voltage 78
- 3) Increasing starting torque 78
- 5.8 Base frequency 81
- 5.9 Maximum frequency 82
- Estimation of temperature 90
- 5.17 PWM carrier frequency 96
- Warning 97
- Surge killer 103
- 5.20 Standard default setting 107
- ( ) 109
- 5.22 EASY key function 110
- 6. Extended parameters 113
- 6.2 Input signal selection 115
- Internal command 116
- Servo lock status 120
- Command selected 123
- Operation frequency 125
- 6.8 DC braking 126
- 6.10 Jog run mode 131
- Jumping width 2 135
- Jumping width 1 135
- 6.14.1 Retry function 136
- 6.15 Drooping control 139
- Load portion torque input 141
- 6.20 PID control 145
- 6.22 Setting motor constants 148
- Setting motor constants 150
- 6.24 Torque control 152
- 6.25 Torque limit 154
- Positive torque 155
- Negative torque 155
- • Function 158
- 6.31 Pattern operation 163
- 6.32 Preset speed mode 165
- 6.33 Protection functions 166
- 6.33.3 Emergency stop 167
- H : Emergency stop 167
- 6.34 Override 175
- 6.35 Adjustment parameters 177
- Function 179
- ■ Example of setting 1 181
- ■ Example of setting 2 181
- 6.37 Tracing functions 183
- Trace data 1 184
- Trigger input 184
- 6.38 Communication function 187
- 1) 2-wire RS485 188
- 2) 4-wire RS485 190
- Host computer 191
- 6.39 My function 193
- 6.40 Traverse function 194
- 7.1 External operation 195
- B-contact switch 196
- Input terminal 196
- Inverter 196
- Programmable controller 197
- 7.2.4 Analog input filter 203
- 8.2 Monitoring the status 210
- 8.4.1 Trip code display 216
- 9.1.1 EMC directive 221
- Contact your supplier 222
- Use the 224
- EMC FILTER 226
- Ferrite core 1 227
- Shielded cable or [Note 1] 227
- Noise cut plate 228
- AIC, Fuse and Wire sizes 229
- Ｅ６５８１３００ 232
- Note on wiring 233
- 11. Table of parameters 239
- 12. Specifications 285
- E6581301 286
- ■ Outside dimensions and mass 289
- (Installation dimension) 290
- Before making a service call 295
- Cautions about cleaning 303
- 14.2 Periodical inspection 304
- ■ Check items 304
- 15. Warranty 307
- Warning 309
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