Figure 5.69 Motor PTC Characteristics
Overheat detection using a PTC can be set up by parameters L1-03/04/05 as explained below.
n
L1-03: Motor Overheat Alarm (oH3) Operation Selection
Sets the drive operation when the PTC input signal reaches the motor overheat alarm level. (PTC input level: Tr - 5 °C)
No. Name Setting Range Default
L1-03 Motor Overheat Alarm Operation Selection 0 to 3 3
Setting 0: Ramp to Stop
The drive stops the motor using the active deceleration time.
Setting 1: Coast to Stop
The drive output is switched off and the motor coasts to stop.
Setting 2: Fast-stop
The drive stops the motor using the Fast-stop time set in parameter C1-09.
Setting 3: Alarm Only
The operation is continued and an oH3 alarm is displayed on the digital operator
5.8 L: Protection Functions
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YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
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