Terrelle
Jan 11,2023Cause analysis: Whether the upper limit switch is good or bad, the lower limit signal is valid and always in the triggered state, or the collision alarm signal is valid and always in the triggered state. Solution: First, check whether the upper limit switch is valid. Second, disable the collision alarm and limit through parameter setting. If the phenomenon disappears, it means that the limit or collision alarm is triggered. In addition, check whether the set limit polarity corresponds to the lim