LFS-PM Series Live Focus System Operating Manual
25
Chapter 5 Alarm Information
5.1 Description Of The Alarm
During the running, there maybe some alarm happened because of some undesired
conditions. The alarm information will be considered and some protection should be
executed. The alarm information include of upper limit trigger, lower limit trigger, reset
error, crash alarm, too large following error, emergency stop and capacitance smaller.
When one or several alarm happened, the information will be displayed on the displayer.
User should check the reasons that have caused the alarm and clear the alarm.
5.1.1 System Error
It is a system fault. When the hardware or the firmware is failed, the alarm happened.
When the alarm happened, the system will stop motion. User should check the distance
controller and power on it again. If the alarm is still there, user should take a new
controller to replace that one.
5.1.2 Upper/Lower Limit Trigger
When the limit protection has been enabled, the system will display the limit trigger
information once the limit is triggered. If there are limit triggered, there may be the
following reason:
The sense of the limit switch is set incorrectly.
Wrong wiring.
Limit switch fault or the voltage level is not 24V.
5.1.3 Reset Error
There may be the following reasons to cause the reset error:
When resetting, the laser head have no motion or the speed is too low and has
caused a timeout action. Please check the parameters of the distance controller.
The polarity of the motor is wrong. When resetting, the laser head move down to
trigger the down limit.
5.1.4 Capacitance Smaller
If the current detected capacity value is too small, then the capacity fault will
