184
YASKAWA
TOEPC71061752B GA500 Drive Installation & Primary Operation
Figure 15.3 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
The drive ramps the motor to stop in the deceleration time. The output terminal set for
Fault
[H2-01 to H2-03 = E]
activates.
1 : Coast to Stop
The output turns off and the motor coasts to stop. The output terminal set for
Fault [H2-01 to
H2-03 = E]
activates.
2 : Fast Stop
The drive stops the motor in the deceleration time set in
C1-09 [Fast Stop Time]
. The output
terminal set for
Fault [H2-01 to H2-03 = E]
activates.
3 : Alarm Only
The keypad shows
oH3
and the drive continues operation. The output terminal set for
Alarm
[H2-01 to H2-03 = 10]
activates.
■
L1-04: Motor Thermistor oH Fault Select
No.
(Hex.)
Name
Description
Default
(Range)
L1-04
(0483)
Motor Thermistor
oH Fault Select
Sets the drive operation when the PTC input signal to the drive is
at the
oH4 [Motor Overheat Fault (PTC Input)]
detection level.
1
(0 - 2)
0 : Ramp to Stop
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV