Yaskawa CIMR-PU2A0081 — настройки защиты и управления для приводов переменного тока [425/548]

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Yaskawa CIMR-PU2A0081 [425/548] L8 drive protection
u
L8: Drive Protection
No.
(Addr.
Hex)
Name Description Values Page
L8-01
(4AD)
Internal Dynamic Braking
Resistor Protection
Selection (ERF type)
0: Resistor overheat protection disabled
1: Resistor overheat protection enabled
Default: 0
Range: 0, 1
245
L8-02
(4AE)
Overheat Alarm Level
An overheat alarm occurs when heatsink temperature exceeds the L8-02 level.
Default:
<1>
Min.: 50 °C
Max.: 150 °C
245
L8-03
(4AF)
Overheat Pre-Alarm
Operation Selection
0: Ramp to stop. A fault is triggered.
1: Coast to stop. A fault is triggered.
2: Fast Stop. Decelerate to stop using the deceleration time in C1-09. A fault
is triggered.
3: Continue operation. An alarm is triggered.
4: Continue operation at reduced speed as set in L8-19.
Default: 3
Range: 0 to 4
246
L8-05
(4B1)
Input Phase Loss Protection
Selection
Selects the detection of input current phase loss, power supply voltage
imbalance, or main circuit electrolytic capacitor deterioration.
0: Disabled
1: Enabled
Default: 1
Range: 0, 1
247
L8-07
(4B3)
Output Phase Loss
Protection Selection
0: Disabled
1: Enabled (triggered by a single phase loss)
2: Enabled (triggered when two phases are lost)
Default: 1
Range: 0 to 2
247
L8-09
(4B5)
Output Ground Fault
Detection Selection
0: Disabled
1: Enabled
Default: 1
Range: 0, 1
247
L8-10
(4B6)
Heatsink Cooling Fan
Operation Selection
0: During run only. Fan operates only during run for L8-11 seconds after stop.
1: Fan always on. Cooling fan operates whenever the drive is powered up.
Default: 0
Range: 0, 1
247
L8-11
(4B7)
Heatsink Cooling Fan Off
Delay Time
Sets a delay time to shut off the cooling fan after the Run command is removed
when L8-10 = 0.
Default: 60 s
Min.: 0
Max.: 300
248
L8-12
(4B8)
Ambient Temperature
Setting
Enter the ambient temperature. This value adjusts the oL2 detection level. Default: 40 °C
Min.: -10
Max.: 50
248
L8-15
(4BB)
oL2 Characteristics
Selection at Low Speeds
0: No oL2 level reduction below 6 Hz.
1: oL2 level is reduced linearly below 6 Hz. It is halved at 0 Hz.
Default: 1
Range: 0, 1
248
L8-18
(4BE)
Software Current Limit
Selection
0: Disabled
1: Enabled
Default: 0
Range: 0, 1
248
L8-19
(4BF)
Frequency Reduction Rate
during Overheat Pre-Alarm
Specifies the frequency reference reduction gain at overheat pre-alarm when
L8-03 = 4.
Default: 0.8
Min.: 0.1
Max.: 0.9
247
L8-32
(4E2)
Main Contactor and Cooling
Fan Power Supply Failure
Selection
Determines drive response when a fault occurs with the internal cooling fan.
0: Ramp to stop
1: Coast to stop
2: Fast stop (Decelerate to stop using the deceleration time set to C1-09)
3: Alarm only (“FAn” will flash)
4: Continue operation at reduced speed as set to L8-19.
Default: 1
Range: 0 to 4
248
L8-35
(4EC)
Installation Method
Selection
0: IP00/Open-Chassis enclosure
1: Side-by-Side mounting
2: IP20/NEMA Type 1 enclosure
3: Finless model drive or external heatsink installation
Default:
<2> <3>
Range: 0 to 3
249
L8-38
(4EF)
Carrier Frequency
Reduction
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the entire speed range
Default: 2
Range: 0 to 2
249
L8-40
(4F1)
Carrier Frequency
Reduction Off Delay Time
Sets the time that the drive continues running with reduced carrier frequency
after
the carrier reduction condition is gone. Setting 0.00 s disables the carrier
frequency reduction time.
Default: 0.5 s
Min.: 0.00
Max.: 2.00
249
L8-41
(4F2)
High Current Alarm
Selection
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150% of drive rated
current.
Default: 0
Range: 0, 1
250
L8-55
(45F)
Internal Braking Transistor
Protection
0: Disabled. Disable when using a regen converter or optional braking unit.
1: Protection enabled.
Default: 1
Range: 0, 1
250
L8-93
(73C)
LSo Detection Time at Low
Speed
Sets the amount of time until baseblock is executed after detecting pull-out at
low speed.
Default: 1.0 s
Min.: 0.0
Max.: 10.0
250
B.8 L: Protection Function
YASKAWA SIEP YAIP1U 01A AC Drive - P1000 Technical Manual
425
B
Parameter List

Содержание

2656

Изучите параметры защиты и управления для приводов переменного тока, включая защиту от перегрева, управление вентиляторами и выбор режимов работы.