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194
YASKAWA
SIEPC71061753A GA500 Technical Manual
Load Tolerance
Cooling Capability
Overload Characteristics
(at 100% motor load)
This motor is designed to operate with commercial line
power. Operate at a 50 Hz base frequency to maximize
the motor cooling ability.
If the motor operates at frequencies less than commercial
line power, the drive will detect
oL1
. The drive triggers a
fault relay output and the motor coasts to stop.
■
L1-02: Motor Overload Protection Time
No.
(Hex.)
Name
Description
Default
(Range)
L1-02
(0481)
Motor Overload Protection
Time
Sets the operation time for the electronic thermal protector of the drive to prevent damage to the
motor. Usually it is not necessary to change this setting.
1.0 min
(0.1 - 5.0 min)
Set the overload tolerance time to the length of time that the motor can operate at 150% load from continuous
operation at 100% load.
When the motor operates at 150% load continuously for 1 minute after continuous operation at 100% load (hot
start), the default setting triggers the electronic thermal protector.
shows an example of the electronic thermal protector operation time. Motor overload protection
operates in the range between a cold start and a hot start.
This example shows a general-purpose motor operating at the base frequency with
L1-02
set to 1.0 min.
•
Cold start
Shows the motor protection operation time characteristics when the overload occurs immediately after starting
operation from a complete stop.
•
Hot start
Shows the motor protection operation time characteristics when overload occurs from continuous operation
below the motor rated current.
Figure 5.19 Protection Operation Time for a General-purpose Motor at Rated Output Frequency
■
L1-03: Motor Thermistor oH Alarm Select
No.
(Hex.)
Name
Description
Default
(Range)
L1-03
(0482)
Motor Thermistor oH
Alarm Select
Sets drive operation when the PTC input signal entered into the drive is at the
oH3 [Motor
Overheat Alarm]
detection level.
3
(0 - 3)
0 : Ramp to Stop
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV
Содержание CIPR-GA50C series
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Страница 44: ...2 9 Installation Methods 44 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 110: ...3 17 Motor Application Precautions 110 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 150: ...4 12 Test Run Checklist 150 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 156: ...5 2 European Standards 156 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 157: ...Standards Compliance 5 5 2 European Standards YASKAWA SIEPC71061753A GA500 Technical Manual 157...
Страница 158: ...5 2 European Standards 158 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 159: ...Standards Compliance 5 5 2 European Standards YASKAWA SIEPC71061753A GA500 Technical Manual 159...
Страница 288: ...7 10 Troubleshooting Without Fault Display 288 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 306: ...8 6 Storage Guidelines 306 YASKAWA SIEPC71061753A GA500 Technical Manual...
Страница 454: ...11 22 Parameters Changed by PM Motor Code Selection 454 YASKAWA SIEPC71061753A GA500 Technical Manual...