Specifications

YASKAWA Inverter Drive A1000 – Crane Software Application Manual
40
V/f Control (Open and Closed Loop)
Open Loop Vector Control
Note: If BT=0 then torque forcing is applied up to the FWD Brake Release Frequency FRF (RRF).
Time
BrakeOperations
BrakeReleaseCheckBX
BrakeReleaseCmdBR
OutputFrequency
OutputCurrentIOUT
FWD(REV)RunCmd
E1‐09
BF
FRF(RRF)
IF(IR)
BT
BDT
FHF(RHF)
HF
HT
BDT
E1‐09
Time
BrakeOperations
BrakeReleaseCheckBX
BrakeReleaseCmdBR
OutputFrequency
OutputCurrentIOUT
FWD(REV)RunCmd
E1‐09
BF
FRF(RRF)
IF(IR)
BT
BDT
FHF
(RHF)
HF
HT
BDT
E1‐09
TorqueReferenceITR
TF(TR)
TorqueCompensation
TCF(TCR)
TCDT
BDT = BrakeOperationDelayTime
BF =BrakeDelayFrequency(S1‐03)
BT =BrakeDelayTime(S1‐04)
FHF =FWDBrakeHoldFrequency(S1‐12)
FRF =FWDBrakeReleaseFrequency(S1‐01)
HF =SlipPreventionFrequency(S1‐14)
HT =SlipPreventionTime(S1‐15)
IF =FWDBrakeReleaseCurrent(S1‐05)
IR =REVBrakeReleaseCurrent(S1‐06)
RHF =REVBrake
HoldFrequency(S1‐13)
RRF =REVBrakeReleaseFrequency(S1‐02)
BDT = BrakeOperationDelayTime
BF =BrakeDelayFrequency(S1‐03)
BT =BrakeDelayTime(S1‐04)
FHF =FWDBrakeHoldFrequency(S1‐12)
FRF =FWDBrakeReleaseFrequency(S1‐01)
HF = SlipPreventionFrequency(S1‐14)
HT = SlipPreventionTime(S1‐15)
IF =FWDBrakeReleaseCurrent(S1‐05)
IR =REVBrakeReleaseCurrent(S1‐06)
RHF =REVBrake
HoldFrequency(S1‐13)
RRF =REVBrakeReleaseFrequency(S1‐02)
TCDT=TorqueCompensationDelayTime(S1‐11)
TCF =FWDTorqueCompensation(S1‐09)
TCR =REVTorqueCompensation(S1‐10)
TF =FWDBrakeReleaseTorque(S1‐07)
TR =REVBrakeReleaseTorque(S1‐08)