1746-P1、1746-P1

工业自动化—台达模块式温控器DTE10T为某塑料挤出机用户设计了多路温控方案，方便有效的帮助用户解决设备体积问题。这一新产品的应用，有望帮助挤出机设备走向更加小巧和灵活，突破应用局限性，引发行业变革升级。

    随着PLC、人机界面等产品不断地被应用到塑料挤出机，控制智能化与集中控制理念已经开始被广大用户接受。传统的温控方案无法满足塑机设备升级需求，台达DTE10T功能丰富且极具人性化，其双PID控制、标准485通讯、体积小巧并可采用柜内模块式安装，既满足了用户多路温控的需求，且大量节约安装空间，一举多得，非常适合塑料行业用户需求。

    首先，DTE在结构上满足了用户集中控制的需求。随着自动化设备逐渐出现小型化、模块化的趋势，对于温度控制部分的要求自然也越趋向于灵巧，便捷，以及模块集成化。DTE的各项设计完美符合这个潮流，由此可成功切入塑料挤出机领域。

    其次，在控温方式上双PID方式提升了控温效果。温控器提供两组输出，一组为加热，另一组为冷却。挤出机在挤出物料时由于摩擦产生大量热量，该热量是温度过冲的主要原因，定义DTE10T的SUB1输出口为冷却输出控制，利用双PID计算，在温度未冲过设定值时，温控器即可提前启动冷却风机，避免温度过高或不稳定。其中双PID控制中还加入了不动作区，即在某个特定的温度区间内，既不补充热量也不进行冷却动作，OUT1与OUT2均无输出，完全靠系统的自发热、外界散热和物料流动的热量损失来维系热平衡。DTE每个通道相互隔离，参数设置也互不影响。每个通道都可单独设定不动区等参数。这种双PID控制方式在两组输出交替或共同运行的情况下能确保控制温度稳定，为挤出机控温效果带来很大提升。

    第三，DTE参数设置可采用专用PC软件来完成，不动区等参数需要结合现场实际工况来分析与设定，非常便捷。塑料挤出机一般可设置在0到2之间，PID参数可以借助AT自动完成。虽然在冷却的硬件架构上与报警方式相同，但是冷却风机的输出量是由PID运算得出的，相比两位式的报警冷却方式，可以更的保证冷却输出的合理性，有效抑制温度过冲现象，在控温方式上可谓上了一个台阶。

另外，作为多路温控产品，DTE10T单机可提供8路温控通道，符合挤出机需要多路温控通道的需求，另提供标准Modbus通讯协议，与PLC和人机通讯，适合各种行业领域应用。

 

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