15 UL Standards
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
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