100
1,000
10,000
100,000
21911
3267
769
242
-20
0
50
100
150
Temperature (°C)
Resistance: R (140) = 0.3 k
W
±5%
Resistance (
W
)
B parameter: B (25/140) = 3500 K ±2%
Figure 1.89 Temperature and Resistance of NTC Thermistor
L1-15 to L1-20 can determine the overheat protection settings using the NTC thermistor input. Parameter descriptions are
listed below.
n
L1-15: Motor 1 Thermistor Selection (NTC)
Note:
This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
No.
Name
Setting Range
Default
L1-15
Motor 1 Thermistor Selection (NTC)
0 to 2
0
Setting 0: Disabled
Setting 1: Thermistor Input by Analog Input
Setting 2: Thermistor Input by Special Thermistor Input
n
L1-16: Motor 1 Overheat Temperature
Note:
This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
Sets the temperature that will trigger an overheat fault (oH5) for motor 1.
No.
Name
Setting Range
Default
L1-16
Motor 1 Overheat Temperature
50 to 200 °C
120 °C
n
L1-17: Motor 2 Thermistor Selection (NTC)
Note:
This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
No.
Name
Setting Range
Default
L1-17
Motor 2 Thermistor Selection (NTC)
0 to 2
0
Setting 0: Disabled
Setting 1: Thermistor Input by Analog Input
Setting 2: Thermistor Input by Special Thermistor Input
n
L1-18: Motor 2 Overheat Temperature
Note:
This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
Sets the temperature that will trigger an overheat fault (oH5) for motor 2.
No.
Name
Setting Range
Default
L1-18
Motor 2 Overheat Temperature
50 to 200 °C
120 °C
n
L1-19: Operation Time at Thermistor Disconnect (NTC)
Note:
This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
1.8 L: Protection Functions
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
133
1
Parameter Details
Summary of Contents for A1000 HHP
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