Chapter 4 Parameters
4-121
Related parameters: Pr.02.00(Source of First Master Frequency Command), Pr.02.09(Source
of Second Frequency Command), Pr.07.13(Input Debouncing Time of the PTC Protection),
Pr.07.15(Motor PTC Overheat Warning Level), Pr.07.16(Motor PTC Overheat Reset Delta
Level) and Pr.07.17(Treatment of the Motor PTC Overheat)
07.15 Motor PTC Overheat Warning Level Unit: V
Settings 0.1~10.0V Factory Setting: 1.2
07.16 Motor PTC Overheat Reset Delta Level Unit: V
Settings 0.1~5.0V Factory Setting: 0.6
07.17 Treatment of the motor PTC Overheat
Factory Setting: 0
Settings 0 Warn and RAMP to stop
1 Warn and COAST to stop
2 Warn and keep running
If temperature exceeds the motor PTC overheat warning level (Pr.07.15), the drive will act
according to Pr.07.17 and display
on the keypad.
Setting Pr.07.17 to 0: When the motor PTC overheat protection is activated, it will display
on the digital keypad and the motor will stop to 0Hz by Pr.01.10/Pr.01.12 setting.
Setting Pr.07.17 to 1: When the motor PTC overheat protection is activated, it will display
on the digital keypad and the motor will free run to stop.
Setting Pr.07.17 to 2: When the motor PTC overheat protection is activated, it will display
on the digital keypad and the motor will keep running.
If the temperature decreases below the result (Pr.07.15 minus Pr.07.16), the warning display
will disappear.
NOTE
The digital keypad is optional. Please refer to Appendix B for details. When using without this optional
keypad, the FAULT LED will be ON once there is fault messages or warning messages from the
external terminals.
07.13 Input Debouncing Time of the PTC Protection Unit: 2ms
Settings 0~9999 (is 0-19998ms) Factory Setting: 100
This parameter is to delay the signals on PTC analog input terminals. 1 unit is 2 msec, 2 units
are 4 msec, etc.
07.18 Motor Rated Current (Motor 1) Unit: A
Settings 30% FLA to 120% FLA Factory Setting: FLA
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