No. Name Description Range Def. Mode
Addr.
Hex
Pg.
L8-05
Input Phase
Loss
Protection
Selection
Selects the detection of input current phase loss,
power supply voltage imbalance, or main circuit
electrolytic capacitor deterioration.
0: Disabled
1: Enabled
Note: This parameter is disabled in 200 V single-
phase drives.
0, 1 <5> O 4B1 –
L8-10
Heatsink
Cooling Fan
Operation
Selection
Controls the heatsink cooling fan operation.
0: Run with timer (Fan operates only during run and
for 60 seconds after stop.)
1: Run always (Cooling fan operates whenever the
drive is powered up.)
0, 1 0 O 4B6 –
L8-12
Ambient
Temperature
Setting
Used to input the ambient temperature. This value
adjusts the drive oL2 detection level.
-10 to
50
30 °C O 4B8 –
L8-18
Soft Current
Limit
Selection
Selects the software current limit function. Typically
no adjustment is required.
0: Disabled
1: Enabled
0, 1 1 O 4BE –
L8-35
<3>
Installation
Method
Selection
Selects the installation type:
0: IP20/IP00 Drive
1: Side-by-Side Mounting
2: NEMA Type 1 Drive
3: Finless Drive or External Heatsink Installation
0 to 3 <5> O 4EC –
L8-38
Carrier
Frequency
Reduction
Provides protection to the IGBTs by reducing the
carrier frequency at low speeds.
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the whole speed range
Current
C6-02
Carrier Frequency
ND
HD
2
0
200 V Single Phase
80% of HD
10 (8) 15
400 V: 60% of HD
0 to 2 1 O 4EF –
<1> When enabled, the drive stops accelerating when
it exceeds the value of L3-02, Stall Prevention Level. The drive
decelerates after 100 ms and begins accelerating again after restoring the current level.
<2> Default setting value is 120% when C6-01 is set to 1 (ND) and 150% when C6-01 is set to 0 (HD).
<3> This parameter is not reset to the default value when the drive is reinitialized using A1-03.
<4> The default setting and the upper limit of the setting range are determined by C6-01, Drive Duty Mode, and
L8-38, Carrier Frequency Reduction Selection.
<5> Regional default settings:
Setting 0: Japan (Model code: CIMR-JAoA) and Asia (Model code: CIMR-JToA)
Setting 1: China: (Model code: CIMR-JBoA)
B.2 Parameter Table
240
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
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