Drive Short-Circuit Rating; Drive Motor Overload Protection; E2-01 Motor Rated Current; L1-01 Motor Overload Protection Selection - YASKAWA V1000 Series Installation & Start-Up Manual

Input / Output
Digital inputs
Main frequency reference
(multi-function analog
inputs)

Drive Short-Circuit Rating

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This drive has undergone the UL short-circuit test, which certifies that during a short circuit
in the power supply the current flow will not rise above 30,000 amps maximum at 240 V for
200 V class drives and 480 V for 400 V class drives.
• The MCCB and breaker protection and fuse ratings shall be equal to or greater than the
short-circuit tolerance of the power supply being used.
• Suitable for use on a circuit capable of delivering not more than 30,000 RMS symmetrical
amperes for 240 V in 200 V class drives (up to 480 V for 400 V class drives) motor
overload protection.
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Drive Motor Overload Protection

Set parameter E2-01 (motor rated current) to the appropriate value to enable motor overload
protection. The internal motor overload protection is UL listed and in accordance with the
NEC and CEC.

E2-01 Motor Rated Current

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Setting Range: Model Dependent
Factory Default: Model Dependent
Parameter E2-01 (motor rated current) protects the motor if parameter L1-01 is not set to 0
(default is 1, standard induction motor protection enabled).
If Auto-Tuning has been performed successfully, the motor data that was entered in T1-04 is
automatically written into parameter E2-01. If Auto-Tuning has not been performed,
manually enter the correct motor rated current in parameter E2-01.

L1-01 Motor Overload Protection Selection

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The drive has an electronic overload protection function (OL1) based on time, output current
and output frequency, which protects the motor from overheating. The electronic thermal
overload function is UL-recognized, so it does not require an external thermal overload relay
for single motor operation.
This parameter selects the motor overload curve used according to the type of motor applied.
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
Terminal Signal
S1, S2, S3, S4, S5, S6, S7, SC, H1, HC
RP, +V, A1, A2, AC
D.3 UL Standards
Power Supply Specifications
Use the internal power supply of the drive.
Use class 2 for external power supply.
Use the internal power supply of the drive.
Use class 2 for external power supply.
D
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