L: Protection Function - YASKAWA CIMR-JB Series Installation & Start-Up Manual

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L: Protection Function

L parameters provide protection to the drive and motor, such as: control during momentary
power loss, Stall Prevention, frequency detection, fault restarts, overtorque detection, and
other types of hardware protection.
No. Name
Sets the motor thermal overload protection (oL1)
based on the cooling capacity of the motor.
0: Disabled
Motor
1: General Purpose Motor (Standard Fan-Cooled)
L1-01 Overload
2: Drive Dedicated Motor with a Speed Range of 1:10
Protection
NOTICE: When multiple motors are used the drive
Selection
may not be able to provide protection, even if it is
enabled in L1-01. Set L1-01 to "0" and ensure each
motor has a thermal relay installed.
Sets the motor thermal overload protection (oL1)
time.
Motor
A larger L1-02 time will increase the time for an oL1
L1-02 Overload
fault to occur.
Protection
This parameter does not typically require adjustment.
Time
Should be set in accordance with the overload
tolerance of the motor.
Determines whether or not to hold the electrothermal
Continuous
L1-13 value when the power supply is interrupted.
Electrothermal
0: Disabled
Operation
1: Enabled
Selection
Use L2 parameters to configure drive functions for momentary power loss conditions.
Enables and disables the momentary power loss
function.
0: Disabled - Drive trips on (Uv1) fault when power
Momentary
is lost.
L2-01 Power Loss
1: Power Loss Ride-Thru Time - Drive will restart if
Operation
power returns within the Power Loss Ride-Thru
Selection
Time.
2: CPU Power Active - Drive will restart if power
returns as long as the CPU is working.
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
Description
L1: Motor Protection Functions
Use L1 parameters to configure motor protective functions.
L2: Momentary Power Loss
L3: Stall Prevention Function
Use L3 parameters to configure the Stall Prevention function.
B.2 Parameter Table
Addr.
Range Def. Mode
Hex
0 to 2 1 S
0.1 to 1.0
O
5.0 min
0, 1 1 O
0 to 2 0 O
Pg.
480 113
481 113
46D –
485 –
B
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