L6: Torque Detection; L8: Drive Protection - YASKAWA Z1000 User Manual

B.8 L: Protection Function
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L6: Torque Detection

No.
(Addr. Name
Hex)
Torque Detection
L6-01
Selection 1
(4A1)
Torque Detection Level
L6-02
1
(4A2)
Torque Detection Time
L6-03
1
(4A3)
Motor Underload
L6-13
Protection Selection
(62E)
Motor Underload
L6-14 Protection Level at
(62F) Minimum Frequency
u

L8: Drive Protection

No.
(Addr. Name
Hex)
Internal Dynamic
L8-01 Braking Resistor
(4AD) Protection Selection
(ERF type)
L8-02
Overheat Alarm Level
(4AE)
L8-03 Overheat Pre-Alarm
(4AF) Operation Selection
L8-05 Input Phase Loss
(4B1) Protection Selection
L8-06 Input Phase Detection
(4B2) Level
302
LCD Display
0: Disabled
1: oL3 detection only active during speed agree, operation
continues after detection
2: oL3 detection always active during run, operation continues
Torq Det 1 Sel
after detection
0: Disabled
3: oL3 detection only active during speed agree, output shuts
1: OL Alm at SpdAgr
down on an oL3 fault
2: OL Alm dur RUN
4: oL3 detection always active during run, output shuts down
3: OL Flt at SpdAgr
on an oL3 fault
4: OL Flt dur RUN
5: UL3 detection only active during speed agree, operation
5: UL Alm at SpdAgr
continues after detection
6: UL Alm dur RUN
6: UL3 detection always active during run, operation continues
7: UL Flt at SpdAgr
after detection
8: UL Flt dur RUN
7: UL3 detection only active during speed agree, output shuts
9: UL6Alm at SpdAgr
down on an oL3 fault
10: UL6Alm dur RUN
8: UL3 detection always active during run, output shuts down
11: UL6Flt at SpdAgr
on an oL3 fault
12: UL6Flt dur RUN
9: UL6 at speed agree (alarm)
10: UL6 at run (alarm)
11: UL6 at speed agree (fault)
12: UL6 at run (fault)
Sets the overtorque and undertorque detection level.
Torq Det 1 Lvl
Sets the time an overtorque or undertorque condition must exist
Torq Det 1 Time to trigger torque detection 1.
Underload Select Sets the motor underload protection (UL6) based on motor load.
0: Base Freq Enable 0: Enabled (Base frequency)
1: Max Freq Enable 1: Enabled (Max frequency)
Sets the UL6 detection level at minimum frequency by
percentage of drive rated current.
Underload Level
LCD Display
DB Resistor Prot
0: Resistor overheat protection disabled
0: Not Provided
1: Resistor overheat protection enabled
1: Provided
An overheat alarm occurs when heatsink temperature exceeds
the L8-02 level.
OH Pre-Alarm Lvl
OH Pre-Alarm Sel 0: Ramp to stop. A fault is triggered.
0: Ramp to stop 1: Coast to stop. A fault is triggered.
1: Coast to stop 2: Fast Stop. Decelerate to stop using the deceleration time in
2: Fast-Stop C1-09. A fault is triggered.
3: Alarm only 3: Continue operation. An alarm is triggered.
4: Run@L8-19 Rate 4: Continue operation at reduced speed as set in L8-19.
Selects the detection of input current phase loss, power supply
Inp Ph Loss Det voltage imbalance, or main circuit electrolytic capacitor
0: Disabled deterioration.
1: Enabled 0: Disabled
1: Enabled
When ripple is observed in the DC bus, expansion of the input
bias is calculated. This value becomes the input phase if the
difference between the maximum and minimum values of the
Inp Ph Loss Lvl
ripple is greater than the value set to L8-06.
Detection Level = 100% = Voltage class x
Description
Description
YASKAWA TOEP YAIZ1U 03B YASKAWA AC Drive – Z1000 User Manual
Values Page
Default: 0
134
Range: 0 to 12
Default: 15%
Min.: 0 134
Max.: 300
Default: 10.0 s
Min.: 0.0 135
Max.: 10.0
Default: 0
175
Range: 0, 1
Default: 15%
Min.: 0 134
Max.: 300
Values Page
Default: 0
176
Range: 0, 1
<1>
Default:
176
Min.: 50 °C
Max.: 150 °C
Default: 4
176
Range: 0 to 4
Default: 1
177
Range: 0, 1
<1>
Default:
177
Min.: 0.0%
Max.: 50.0%