LiteOn EVO 6800 Series - B4 Timer Function

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The Speed Search function is to detect the actual motor speed driven by the inertia and
starting the motor operation from the current speed directly without a stop. When a
momentary power loss shuts off the drive and causes motor to coast. Speed Search helps the
drive to detect the speed of the coasting motor and restart directly.
The Speed Search method of the drive is current detection type. Follow the settings and
instructions below.
 b3- 00 Speed Search Setting
No.
Name
Setting Range
Default
b3-00
Speed Search Setting
0 to 2
0
0 : Disabled
1 : Enabled and searched from the highest frequency
2 : Enabled and searched from the frequency command
3 : Retain
4 : Retain
 b3- 01 Speed Search Operating Current
Sets the current level as a percentage of the drive rated current below which Speed Search is
deactivated. This parameter normally does not require any change. Lower this current level if
the drive cannot restart the motor.
No.
Name
Setting Range
Default
b3-01
Speed Search Operating Current
0 to 100%
80%
 b3- 02 Retain
b4 Timer Function
The drive has the independent timer function. To enable this function, assign Timer Input (E1-□
□ =52) to multi-function input terminals S1 to S7, and Timer Output (E2- □□=15) to
multi-function output terminals R1, R2, D1-DC and D2-DC. Set on-delay and off-delay time
separately to eliminate the oscillation from sensors.
Set
 b4- 00, b4- 01 Timer Function On-Delay and Off-Delay Time
Sets the on-delay and off-delay time to switch on/off the timer output.
No.
Name
Setting Range
Default
b4-00
Timer Function On-Delay Time
0.0 to 3000.0 s
0.0 s
b4-01
Timer Function Off-Delay Time
0.0 to 3000.0 s
0.0 s