"""
防碰撞状态

Signal: DI信号名
Enable: 打开\\关闭
Block: 屏蔽开关
Countdown: 倒计时时间
"""
from __future__ import annotations
__all__ = ['Block', 'Countdown', 'Enable', 'Signal']
Block: str = 'block'
Countdown: str = 'countdown'
Enable: str = 'enable'
Signal: str = 'signal'
