—————— Instruction manual ——————
247
6.14.6 Overload control
FUNCTIONS
Overload contr
[309] Enableoverload
[318] Overloadmode
[312] Overloadcurrent[%]
[313] Basecurrent[%]
[310] Overloadtime[s]
[1289] Motorovrldpreal.
[655] MotorI2taccum
[1438] Driveovrldpreal.
[1439] DriveI2taccum
[311] Pausetime[s]
Parameter description No.
Value
Standard
Conguration
min max
Factory
American
Factory
Standard
Enable overload
Enabled(1)/Disabled(0)
309 0 1 Enabled Disabled -
Overload mode
Currlimited(0)
Currnotlimited(1)
I2tMotor(2)
I2tDrive(3)
I2tMotor&Drv(4)
318 0 4 I
2
tMotor Currlimited -
Overload current [%]
312 P313 200 150 100
Base current [%]
313 0 P312<100 100 80 -
Overload time [s]
310 0 65535 60 30 -
Ventil. Type
SERVO(0)
AUTO(1)
914
Derating factor [%]
915 0 100 50 50
Motor ovrld preal.
1289 0 1 - -
Motor I2t accum
655 0.00 100.00 - -
Drive ovrld preal.
1438 0 1 - -
Drive I2t accum
1439 0.00 100.00 - -
Pause time [s]
311 0 65535 540 300 -
Overld available
Overloadnotpossible(0)
Overloadpossible(1)
406 0 1 - - Digitaloutp.4*
Overload state
Currentlimitvalue(0)
Current>limitvalue(1)
407 0 1 - - *
* Thisparametercanbeassignedtoaprogrammabledigitaloutput.
TheOverloadcontrolfunctionallowsanovercurrentforalimitedtimethatcanalsoexceedtheratedcurrentof
theinverter.Itisusedinordertoprovidethedrivewithanincreasedaccelerationtorqueorforexampletoallow
peakloads,suchaswithcyclicalloadscharacteristis.
Enable overload Enabled Overloadcontrolisenabled
Disabled Overloadcontrolisdisabled
Overload mode Currlimited ThearmaturecurrentisrestrictedtothelimitssetbytheOver-
loadcontrol(sizeanddurationofovercurrent).
Currnotlimited Thearmaturecurrentisnot limitedbytheOverloadcon-
trol.However,analarmispossibleviatheOverload state
parameter.Thisalarmindicateswhetherthecurrentiswithin
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