
DSQC325 3HAB2241-1
DSQC325 3HAB2241-1
DSQC325 3HAB2241-1 应用特点:
【厦门光沃自动化设备有限公司】
【联 系 人:陈小姐】
【免费热线:0592-5709825】
【24小时开机:18030229053 】
【工作QQ: 2479261344】
由于压力、流量、温度及露点等(电流或电压信号)这些信号是模拟信号,因此必须通过EM231(模拟量输入模块)进行A/D转换,然后通过PLC编程在TD200或触摸屏上显示。根据这些数据再通过PLC编程进行与预置参数进行比较,超过或低于预置值将发出报警信号。报警信息详细内容可在TD200或触摸屏上查找。在纯化系统中通过PLC编程可以进行自动加氢控制与闭环控制;通过PLC编程对温度进行PID控制。PID控制精度高,波动小,响应快。PID调节中,用比例环节(P)来决定基本的调节响应力度,用微分环节(D)来加速对快速变动的响应,用积分环节(I)来消除残留误差。对PID进行整定时,总是先调节比例环节,然后一般是调节积分环节,最后调节微分环节。
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