Automatic Reset At Trip (Retry Function) - Toshiba TOSVERT VF-AS3 Instruction Manual

6. 15. 3

Automatic reset at trip (retry function)

• Do not go near the motor or machine.
When the retry function is selected, the motor/machine stopped at an occurrence of alarm will
be started after a selected period of time (suddenly). Going near the motor/machine may result
in unexpected injury.
Mandatory
• Affix the caution label about sudden restart in retry function to the inverter, motor and machine.
action
Take a preventive measure against accidents.
<F303: Retry>
■ Function
The inverter is reset automatically when a trip occurs.
During retry, the motor speed search is activated automatically as occasion demands to start a
motor smoothly.
■ Parameter setting
Title Parameter name
F303 Retry
■ How to use
The following table shows the causes of trip and retry processes.
Cause of trip
Overcurrent Consecutive retries up to 10 times
Overvoltage 1st time: Approx. 1 second after
Overload occurrence of a trip
Overheat 2nd time: Approx. 2 seconds after
Step-out occurrence of a trip
detection 3rd time: Approx. 3 seconds after
(PM only) occurrence of a trip
. . .
10th time: Approx. 10 seconds after
occurrence of a trip
Followings are the trips of retry targets.
"OC1" , "OC2" , "OC3" , "OP1" , "OP2" , "OP3" , "OL1" , "OL2" , "OL3" , "OLr" , "OH" , "SOUT"
CAUTION
Adjustment range
0: Disabled
1 - 10
Retry process
6-59
STOP
F303 : Retry
Min: 0
X1000 X100
Unit
Times
Stop condition
A trip other than overcurrent, overvoltage,
overload, overheat and step-out detection
occurs during retry.
Retry fails with the specified number of times.
6. [Advanced] How to use parameters
E6582062
3
0.0Hz
13:16
4
0
Max: 10
6
X10 X1
9
Default setting
0