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50
OPE22
Parameter
Setting
fault 22
Parameter
Setting Fault
The following conditions have not been net or set up:
・
When Brake Lag Time (S1 -04) ? 0
and
Brake Release Frequency (S1 -01, 02) = Brake Delay Frequency
(S1 -03)
・
When Slip Prevention Time (S1 -15) ? 0, and
Brake Release Frequency (S1 -12, 13) = Slip Prevention Frequency
(S1 -14)
・
Impact Stop Function (setting = 35) has been set to Multi-Function
Input, and the Impact Stop Clip Frequency (S3 -01) > Brake
Release Frequency (S1 -12, -13)
・
Although the Br ake Release Answer back has been set to
Multi-Function
・
Digital Input (H1-
xx
= 0), the Brake Release Command has not
been set to Multi-Function Digital Output (H2-
xx
= 21).
Check parameter
settings.
C
OPE23
Parameter
Setting
Fault
Parameter
Setting Fault
When the settings values below are larger than the Torque Limit
Setting Value (L7-01, -02) on the side where the current is flowing:
In Vector Control Mode:
・
Forward, Reverse Brake Release Torque (S1 -07, 08)
When setting parameter so that all detection functions are enabled
・
Impact Stop Detection Torque (S3 -03, 04)
・
Light-load1detection Torque (S4 -04, 05)
・
Overload Detection Level (S5 -02, 05)
・
Overtorque Detection Level (S6 -02, 05)
Check parameter
settings.
C
REV-3
OPE25
Parameter
Setting Error
Motor Switch Command is set to Multi-Function Input (relationships
below do not apply when Motor 2 has been selected):
・
When Brake Delay Time (S1 -04) ? 0, Brake Release frequency
(S1 -01, 02)
= Brake Delay Frequency (S1 -03)
・
When Slip Prevention Time (S1 -15) ? 0,
Brake Release Frequency (S1 -12, 13) = Slip Prevention Frequency
(S1 -14)
・
When Impact Stop has been set to Multi-Function (setting value =
35), t hen the Impact Stop Clip Frequency (S3 -01) > Brake Release
Frequency (S1 -12, 13)
Check parameter
settings.
C
SE1
Brake
Sequence
Fault 1
Brake Sequence
Fault 1
--
A
SE2
Brake
Sequence
Fault 2
Brake Sequence
Fault 2
--
A
SE3
Brake
Sequence
Fault 3
Brake Sequence
Fault 3
--
A
SE4
Brake
Sequence
Fault 4
Brake Sequence
Fault 4
Fault occurred in brake sequence.
(for more information, see 6.1.4: Surveillance Functions)
--
A
Note:
Faults are ranked by their degree of seriousness:
Rank A: Major Error (motor coasts to stop, flashing operator display, fault relay tripped)
Rank B: Minor Error (continue running, operator display will flash, no fault relay tripped, minor error relay tripped (when using
Multi-Function Output Selection))
Rank C: Warning (operation not possible, operator display flashes, no fault relay output, no minor error relay output)
Appendix-1:
Parameter Calculations
Use the following information to adjust parameter settings.
(1) Reverse Operations (S1-20)
in Open Loop Vector Control Mode only
Utilized when operating a crane to hoist or lower without a counter weight.
Can be changed after switching the Parameter Access Level (A1-02) to “Advanced” (setting value = 4).
(2) Brake Delay Frequency BF (S1-03)
Sets the motor rated slip frequency up to +1.0Hz. For example, if the motor rated slip frequency is 2.0Hz, then: S1-01
= S1-02 = (up to 3.0Hz)
・
If set too low, current will be unable to flow through the motor at start, and a Sequence Fault (SE2) is likely to
occur.
・
If set too high, then excessive current at start could cause an electrical shock.
Set to zero when operating in Flux Vector Control Mode.
(3) Brake Delay Time BT (S1-04)
Sets the delay between the time when the Brake Release Command is given and the time when the brake is actually
released.
Set to zero when operating in Flux Vector Control Mode.
(4) Brake Release Frequency FRF (S1-01), FRR (S1-02)
Sets to a value smaller than BF (S1-03), and larger than both E1-09 and b2-01 (Zero Speed Level and Minimum
Output Frequency respectively).
When hoisting without a counter-weight in Flux Vector Control Mode, then FRF and FRR will both be set to zero.
Here, ITCF (S1-09) will be increased if slipping occurs at start.
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