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4 - GENERAL PARAMETERS, DESCRIPTION
4 - 24
GV3000/SE
49'1329 e
P.040
Motor Thermal Overload Enable
Parameter Range:
OFF = Disable electronic motor thermal overload function
ON = Enable electronic motor thermal overload function
Initial Setting:
ON
Type:
Configurable (in standby only)
Refer to:
P.041 Motor Overload Type
H.002 Motor Nameplate Amps
U.004 Motor Nameplate Amps
Description:
This parameter enables the electronic motor thermal overload function. This
function operates similarly to a motor overload relay to protect the motor from
overheating.
NOTE: P.040 applies to single motor applications only
CAUTION
:
For single-motor applications with no external thermal overload relay, this parameter should
always be set to ON. Failure to observe this precaution could result in damage to, or destruction
of, the equipment.
For
Vector
regulation, the drive trips after 60 seconds at 150% of Motor Nameplate Amps
(U.004) and will display fault code OL. The overload current amount is automatically
calculated by the GV3000/SE software based on the Motor Nameplate Amps
(U.004).
For
V/Hz
regulation, the drive trips after 60 seconds at 150% of Motor Nameplate Amps (H.002)
and will display fault code OL. The motor overload protection fault level depends on
the settings of the Motor Overload Type selection (P.041) and Motor Nameplate
Amps (H.002).
Important
: While the electronic thermal overload function is similar to a motor overload relay,
it does not measure actual motor temperature. Temperature measuring devices are
the best way to thermally protect AC motors under all conditions
.
P.041
Motor Thermal Overload Type
Parameter Range:
nC = Standard motor without forced cooling (for V/Hz only)
FC = Forced- cooled motor
Initial Setting:
FC
Type:
Configurable (in standby only)
Refer to:
P.040 Motor Overload Enable
Description:
This parameter specifies the type of motor being used to determine the electronic
motor thermal overload function characteristics. Function has to be enabled by
Motor Thermal Overload (P.040).
The function of an electronic thermal overload is similar to a motor overload relay as
the device switches off the inverter after a time depending on the overload.
P.041 allows selection of an output current profile best suited for the type of motor
to be run.
Содержание GV3000SE
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