8.7　Coal Handling Control Mode

8.7.1　Electrical interlocking，signaling and necessary communication devices shall be provided between neighboring coal handling devices.

8.7.2　The control mode of coal handling system shall be determined based on the complexity of the system and operation requirements.Central control，automatic program control and local control may be selected.The coal handling system employing automatic program control or central control mode may be provided with local control buttons as required.The control room shall not be located at the places subjected to vibration and heavy dust.