Security officers at the fire scene control the fire scene to prevent theft.
防止乘火打劫，在火警现场做好警戒工作。
In charge of construction safety management, blasting safety, traffic safety management, health of construction personnel, fire control, security, construction area environmental protection, etc.
负责施工安全管理、爆破安全、交通安全管理、施工人员健康、消防、保卫、施工区环境保护等。
If controller is linked with alarm output and network fire control expansion board, it can also drive alarm annunciator calling to deter crime and warn the security guard.
如果控制器接了报警输出及消防联动扩展板，还可以现场驱动报警器鸣叫，威慑犯罪人员和提醒保安赶来。
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