EMERSON 1C31129G03实验方式：即手动操作方式。这种方式是在上位机上对单个设备进行开、关，启、停的操作，设备间的联锁关系已经被解除了，不存在联跳功能，因此这种方式下不能带负载运行。集中联锁手动：此方式是对要启动的流程中的设备按逆煤流方向一对一的启动，按顺煤流方向一对一停机，要求设备启动前须先将三通挡板启动到位，设备的保护动作处理均同自动控制方式。
1C31129G03
自动方式：按照预先设定的流程启动或停止相关的设备，EMERSON 1C31129G03是一种正常运行方要求现场设备必须处于正常状态。自动方式为系统的控制方式，在此方式下，设备的空载运行时间最短，操作员的操作步骤最少。地方式：在就地操作箱上把手自动选择按钮打在就地位置，从操作箱上发出启停或开关命令，实现对现场设备的操控。在此种方式下，PLC就失去了控制此设备的功能了。
1C31129G03
EMERSON 1C31129G03 experimental method: manual operation mode. This method involves opening, closing, starting, and stopping a single device on the upper computer. The interlocking relationship between the devices has been removed, and there is no linkage function. Therefore, this method cannot operate with load. Centralized interlocking manual: This method starts the equipment in the process to be started one-on-one in the reverse coal flow direction and stops one-on-one in the clockwise coal flow direction. It is required that the three-way baffle be activated in place before starting the equipment, and the protection actions of the equipment are handled in the same way as automatic control.
1C31129G03
Automatic mode: Start or stop the relevant equipment according to the predetermined process. EMERSON 1C31129G03 is a normal operation method that requires on-site equipment to be in a normal state. The automatic mode is the control mode of the system, in which the equipment has the shortest idle running time and the operator has the least operating steps. Local style: Set the automatic selection button on the local operation box to the local position, and issue start stop or switch commands from the operation box to control the on-site equipment. In this way, the PLC loses its function of controlling this device.
1C31129G03
PLC中的CPU与存储器配合，完成控制功能。它与DCS系统处理温度、压力、流量等参数的系统不同，采用快速的巡回扫描周期，一般为0.1~0.2s，更快的则选用50ms或更小的扫描周期。它是一个数字采样控制系统。
1C31129G03
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