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YASKAWA G7 Series User Manual

YASKAWA G7 Series
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6-68
Reducing Drive Overheating Pre-Alarm Warning Levels
The Drive detects the temperature of the cooling fins using the thermistor, and protects the Drive from over-
heating. You can receive Drive overheating pre-alarms in units of 10
°C.
The following overheating pre-alarm warnings are available: Stopping the Drive as error protection, and con-
tinuing operation, with the alarm OH (Radiation fins overheating) on the Digital Operator flashing.
Related Parameters
* Factory settings will vary based on drive capacity.
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
L8-02
Overheat Alarm
Level
When the cooling fin temperature
exceeds the value set in this
parameter, an Overheat Alarm
(OH) will occur.
50
to
130
95 °C*NoAAAAA
OH Pre-Alarm
Lvl
L8-03
Overheat
Pre-Alarm
Operation
Selection
Selects the Drive operation upon
an OH pre-alarm detection.
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only
0 to 3 3 NoAAAAA
OH Pre-Alarm
Sel
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YASKAWA G7 Series Specifications

General IconGeneral
SeriesG7
Frequency50/60 Hz
Output VoltageMatches Input Voltage
Control MethodV/f Control
Overload Capacity150% for 60 seconds
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
CommunicationRS-485, Modbus, DeviceNet, Profibus, Ethernet
SafetySafe Torque Off (STO)
Operating Temperature-10°C to 50°C
Humidity5% to 95% (non-condensing)
Cooling MethodFan Cooled
Enclosure RatingIP20
Storage Temperature-20°C to 65°C

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